final ccna4-4
1. A small bookstore would like to offer wireless connectivity for customers with laptops. Which wireless components or devices will provide connectivity to the customers with the least possible cost to the bookstore?
*standalone access points
wireless LAN controllers
standalone lightweight access points
lightweight access point and wireless LAN controller
2. What can be broadcast over the wireless network to help a user connect to the network and use wireless services?
*SSID
WEP keys
VLAN parameters
WPA encryption keys
VPN authentication information
3. A company has an IT staff that is not highly trained. What two features or technologies must the network designer identify as training needs in order for the staff to understand the basic operation of VPNs? (Choose two.)
access control lists
*encryption algorithms
Frame Relay configuration
QoS operation
*tunneling protocols
VLAN configuration
4. A large company plans to add several servers and requires that the servers be reachable directly from the Internet. Which action will help the company accomplish this goal?
*Assign to each server a static internal IP address that is mapped statically to a public IP address.
Place all servers in their own Class C private subnet.
Provide a private address to each server using DHCP.
Assign addresses from a pool of public Class B addresses using DHCP.
5. Which technical requirement is satisfied when providing QoS for delay sensitive applications?
*availability
manageability
scalability
security
6. During a review of the proposed bill of materials, an account manager of the network solution company realizes that the systems engineer included a switch with lower cost and reduced capabilities for the access layer than was originally specified by the network designer. When questioned, the systems engineer responds that the switches specified by the designer cannot be purchased within the budget limitations of the customer. Which action should the account manager take?
Inform the customer that the project budget must be increased.
Inform the customer that the project cannot be completed given the unreasonable budget constraints.
*Communicate any risks that are associated with the equipment substitution and obtain customer approval to proceed.
Because the customer is probably aware that the budget limitations will require lower cost, less capable equipment, the account manager should do nothing.
7. Which protocol is enabled by default to dynamically discover and eliminate Layer 2 loops that are created by redundant links between switches?
CDP
DTP
*STP
VTP
8. Which statement describes the use of a network baseline?
It creates a high level logical network diagram.
*It provides a point of reference for future network evaluations.
It allows precise identification of the original location of network equipment.
It should be established as soon as a problem is detected on the network.
9. Refer to the exhibit. The network administrator wishes to use the Cisco Feature Navigator to choose a Cisco IOS image to install on a router that will allow VoIP functionality. Based on the output of the show version command, which statement accurately describes the ability of the router to run the Cisco IOS image selected?
*There is enough DRAM and flash.
There is enough DRAM but not enough flash.
There is not enough DRAM but there is enough flash.
There is not enough DRAM and flash.
10. What information does an administrator require before saving the running configuration from a router to a TFTP server?
router IP address and the name of the configuration file in NVRAM
TFTP server IP address and the size of the configuration file in RAM
*TFTP server IP address and the name of the configuration file that will be saved
router IP address, size of the file and name of the configuration file on the TFTP server
TFTP server IP address, the router IP address, and the router interface through which the file will be loaded
11. If a router is unable to find a suitable IOS to load into RAM, in what mode does the boot process end?
setup mode
user mode
*rommon mode
privileged mode
12. Which command can be used to load a new Cisco IOS image on a router?
copy startup-config tftp:
copy tftp: startup-config
copy running-config tftp:
*copy tftp: flash:
copy flash: tftp:
copy flash: startup-config
13. A WIC-1T module needs to be installed in a Cisco 1841 router that currently has a WIC-2T module in slot 0. What should the network technician do first?
Install the hot-swappable option module.
*Turn off the power to the router before installing the new module.
Remove the WIC-2T module so that the new module can be installed in slot 0.
Shut down all Fast Ethernet ports on the router until the new WIC module installation is complete.
Configure the Cisco IOS software to support an internal trunk link between the two WIC modules.
14. Refer to the exhibit. An administrator installs a WIC-2T module into a Cisco 1841 router. Attempts to configure the S0/0/0 interface are unsuccessful. As a first step in troubleshooting the failure, the administrator issues the show version command. What is a possible reason for the failure?
*The WIC was not physically installed properly.
The WIC was installed into slot 1 instead of slot 0.
The interface type and number are invalid on an 1841.
The configuration register is the wrong value for adding new modules.
15. Which IOS component can be used to classify and monitor network traffic?
CDP
*NBAR
CiscoWorks
Network Assistant
16. Refer to the exhibit. Which type of application communication model best describes this network?
*client-client
client-server farm
client-enterprise edge
client-enterprise server
17. What is a characteristic of FTP traffic flows?
low-volume traffic
predictable bandwidth usage
*large packet sizes for transfers
low throughput with high response-time requirements
18. What is a function of software queuing?
filters traffic on the basis of administrator defined rules
stores received traffic and sends packets based on the order that the packets are received
*sends packets on the basis of priorities that are manually set
transmits packets in a priority sequence that is based on source port
19. In a converged network, which two types of traffic would be categorized as real-time traffic? (Choose two.)
e-mail
file transfer
web browsing
*videoconferencing
*voice over IP
video on demand
20. When implementing an IP telephony solution, why should VLANs be used?
to allow the use of a single IP gateway
*to separate voice from data traffic for ease of prioritization
to allow the PBX to use VLAN IDs to filter both voice and data traffic
to allow connectivity between traditional phone devices and IP-based telephony devices
21. A school district decides to use the 172.30.0.0/16 network for its LAN networks. The network administrator must create an addressing scheme to support 500 users in the admin office, 200 at the high school, 60 at the elementary school and 28 at the district office. Which VLSM addressing scheme will correctly address the network with minimal waste?
172.30.0.0/20 admin
172.30.1.0/21 high school
172.30.1.8/22 elementary
172.30.1.12/26 district
172.30.0.0/22 admin
172.30.4.0/23 high school
172.30.5.0/24 elementary
172.30.6.0/26 district
172.30.0.0/23 admin
172.30.2.0/24 high school
172.30.3.0/26 elementary
172.30.3.64/27 district
* 172.30.0.0/23 admin
172.30.2.0/24 high school
172.30.3.0/25 elementary
172.30.3.127/26 district
22. Refer to the exhibit. The routers are configured with RIPv2 with default configurations. When attempting to communicate with other networks, hosts from 172.16.2.0/24 are experiencing connectivity issues. What could be done to resolve this issue?
Change to a public IP address scheme.
*Disable automatic route summarization.
Change the IP network address on R3 Fa0/0 to 172.16.1.128 /26.
Change the subnet mask on the link between R2 and R3 to 255.255.255.0.
23. Refer to the exhibit. A network administrator is validating the routing for the new network design. Which command should be used to configure the s0/0/0 interface of the SALES router to advertise the Sales Department networks as one route?
SALES(config-if)# ip summary-address eigrp 100 172.16.0.0 255.255.0.0
SALES(config-if)# ip summary-address eigrp 100 172.16.8.0 255.255.240.0
*SALES(config-if)# ip summary-address eigrp 100 172.16.16.0 255.255.240.0
SALES(config-if)# ip summary-address eigrp 100 172.16.31.0 255.255.248.0
24. Refer to the exhibit. Which summarized route would be advertised by R1 to R2?
*10.0.0.0/13
10.4.0.0/14
10.5.0.0/13
10.6.0.0/14
25. Which two values represent valid IPv6 addresses? (Choose two.)
::::1
*FF01::1
*0:0:0:0:0:0:0:1
2001:DB8::47::2A4
2031:0000:04AC:3400:FFE3:0
26. A network administrator is integrating IPv6 into an IPv4 network by encapsulating one protocol packet within another protocol. Which transition method is being used?
dual stack
*tunneling
proxying and translation
NAT with Protocol Translator
27. A network administrator is configuring a router interface with the command R1(config-if)# ipv6 address 2001:DB8:C18:1::/64 eui-64. If the MAC address of this Ethernet interface is 01-1C-70-CF-B4-30, what is the host identifier for this interface under EUI-64 format?
11C:7000:00CF:B430
11C:70FE:FECF:B430
*11C:70FF:FECF:B430
11C:70FF:FFCF:B430
28. Refer to the exhibit. Following a test plan, the network systems engineer completes the configuration of an access layer switch and connects three PCs to test the configuration. The engineer attempts to ping from each PC to the other connected PCs. Which three statements describe the expected results of pinging from one host to another? (Choose three.)
Host1 can ping Host2.
*Host1 cannot ping Host2.
*Host1 can ping Host3.
Host1 cannot ping Host3.
Host2 can ping Host3.
*Host2 cannot ping Host3.
29. Refer to the exhibit. A network associate is configuring a new router to provide routing between VLANs. The associate removes the router from the box and connects the Fa0/0 interface to a trunking port on the switch. After the configuration is applied to the router, the traffic between VLANs still fails. What is causing this to occur?
The NWRnStick router needs a routing protocol configured.
The NWRnStick router needs additional Fast Ethernet interfaces installed.
*The subinterfaces of the NWRnStick router should have IP addresses applied.
All the subinterfaces of the NWRnStick router should be configured in the same VLAN.
30. When designing a prototype network for a new server farm, a network designer chooses to use redundant links to connect to the rest of the network. Which business goal will be addressed by this choice?
security
scalability
*availability
manageability
31. Refer to the exhibit. A company decides to install a new data center to improve the services available on the network. EIGRP is chosen as a routing protocol. VLAN 100 is the management VLAN. After a prototype network is built, the staff executes basic connectivity tests. The results show very slow convergence after a network failure. Which step should be taken by the engineers to improve the network performance?
Eliminate all trunk links in the network.
*Configure per-VLAN rapid spanning tree.
Configure VLAN 1 as a management VLAN.
At the distribution layer, replace EIGRP with RIPv2.
32. Refer to the exhibit. EIGRP has been configured as a routing protocol in the network. Users who are connected on LAN_1 and LAN_2 can ping their default gateways. Users on LAN_1 complain that they are unable to access the resources on the file server that is connected to LAN_2. A technician issues the show ip interface brief command on R1 to verify the status of the interfaces. What information will help the technician troubleshoot the issue?
*Interface S0/0/1 line protocol is down.
Interface Vlan1 is administratively down.
Interface Fa0/1 is missing an IP address.
Interface S0/0/0 is configured with an incorrect IP address.
33. Refer to the exhibit. During a test of an EIGRP prototype network, a network administrator issues a show ip protocols command. What two facts can be determined from the output? (Choose two.)
The administrative distance is 100.
*This router has one adjacent neighbor.
There are 10 Cisco devices in this prototype network.
The auto-summary command was applied on this router.
*EIGRP is using two values for the calculation of the composite metric.
EIGRP on this router will display up to four unequal cost routes to the same destination.
34. Refer to the exhibit. A NetworkingCompany designer is reviewing a diagram of a customer network. What two risks or issues can be identified in the topology that is shown? (Choose two.)
*The firewall router and ISP connection represent a single point of failure.
*A failure of the switch that connects the Cisco Call Manager to the network will cause the entire IP telephony system to fail.
Using Layer 3 switches to interconnect the data center servers to the IP phones introduces too much delay.
The IP phones need to be redundantly connected to the switches to prevent single points of failure at the access layer.
If one of the Layer 3 switches fails, the Cisco Call Manager will be unreachable.
35. On a Monday morning the help desk at a large company receives an unusually high number of calls reporting no connectivity to the Internet or to any other network resources. Otherwise the PCs are functioning normally. Help desk technicians note that all the calls are from a single department, and all affected users are on the same floor of a single building. Where should the help desk technicians suspect that the problem lies?
*workgroup switch
PC power supplies
patch cords from PCs to network jacks
cabling from the network jack to the wiring closet
36. Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit?
The commands overwrite the existing Managers ACL.
*The commands are added at the end of the existing Managers ACL.
The commands are added at the beginning of the existing Managers ACL.
The network administrator receives an error that states that the ACL already exists.
37. Refer to the exhibit. Which ACL statements, if properly placed, will prevent host 10.10.10.1 from accessing the 172.16.2.0/24 network but will permit the rest of the 10.10.10.0/24 network?
access-list 10 permit 172.16.2.0 0.0.0.255
access-list 10 deny 10.10.10.1 0.0.0.0
access-list 10 deny 10.10.10.1 0.0.0.0
access-list 10 permit 172.16.2.0 0.0.0.255
* access-list 101 deny ip 10.10.10.1 0.0.0.0 172.16.2.0 0.0.0.255
access-list 101 permit ip 10.10.10.0 0.0.0.255 172.16.2.0 0.0.0.255
access-list 101 permit ip 10.10.10.0 0.0.0.255 172.16.2.0 0.0.0.255
access-list 101 deny ip 10.10.10.1 0.0.0.0 172.16.2.0 0.0.0.255
access-list 10 deny 10.10.10.1 0.0.0.0
38. Refer to the exhibit. An extended ACL has been created to deny traffic from host 192.168.20.254 to the web server with IP address 209.165.201.30. However, host 192.168.20.254 is allowed access to all resources on network 192.168.30.0/24. According to Cisco best practices, where should the ACL be applied?
ISP Fa0/0 inbound
ISP Fa0/0 outbound
ISP S0/0/0 inbound
*R2 Fa0/0 inbound
R2 Fa0/0 outbound
R2 S0/1/0 outbound
39. A company is concerned with protecting internal e-commerce servers against external attacks. An application layer firewall is installed at the network edge and a host-based IDS system is installed on the internal LAN. What should be done to ensure a fast response and minimum server downtime in the event of an external attack?
* Replace the host-based IDS with an IPS.
Place the e-commerce servers in a DMZ.
Install a logging server to monitor all attacks.
Replace the application layer firewall with a stateful one.
40. A bank is planning to add a secure, authenticated WAN connection to a rural branch office. The connection must provide bandwidth of up to 10 Mb/s with QoS supporting VoIP. Which WAN connection type should the network designer recommend?
DSL
ISDN
*leased line
Frame Relay
41. While configuring EIGRP on a router, the technician enters this command:
Router(config-router)# variance 8
What is the effect of entering this command?
It adjusts the cost of all EIGRP routes to 8.
*It enables unequal cost load balancing on the router.
It restricts the number of EIGRP feasible successor routes to 8.
It enables EIGRP equal cost load balancing over a maximum of 8 routes.
It modifies the number of values used in the composite metric calculation.
42. A designer is creating a test plan to validate a WAN design that is based on Frame Relay technology. Which network device can be used in the prototype network to serve as a Frame Relay switch?
DSLAM
CSU/DSU
Cisco 2950 switch
*Cisco router with appropriate IOS
43. Refer to the exhibit. A pre-sales systems engineer receives a diagram of the exhibited WAN implementation from a customer. EIGRP is the routing protocol that is used on the WAN. None of the parameters for EIGRP metric calculation have been modified in any router configurations. Which statement is true about the routing table on router RM?
There is a single route to the 192.168.24.0/24 LAN using the T1 connection.
There is a single route to the 192.168.24.0/24 LAN using the DSL connection.
*There is a single route to the 192.168.24.0/24 LAN using the Metro Ethernet connection.
EIGRP installs all three routes to the 192.168.24.0/24 LAN and load balances the traffic.
44. When implementing a security policy, which two actions should be included as part of the security checklist? (Choose two.)
Disable all logging.
Enable Telnet on TCP port 23.
Use HTTP for web administration.
*Set timeouts and ACLs on VTY lines.
*Shut down any unused ports and interfaces.
45. A network administrator has configured Frame Relay on a serial interface and issued the show interfaces serial command. The output shows that the interface is up and the line protocol is up. However, pings to the remote router across the link fail. What should the next step be to ensure that the IP address of the remote router appears in the Frame Relay map table of the local router?
Configure the router using the no inverse-arp command.
Ensure that the LMI type is correct for the circuit.
*Configure the router using the frame-relay map ip command.
Verify that the remote router has Frame Relay encapsulation enabled.
46. Refer to the exhibit. A NetworkingCompany engineer is characterizing an existing network for a new customer. The engineer issues a show running-config command on the branch router to gather configuration information. What is the engineer able to determine as a result of viewing the output of this command?
The branch office router has two routes to the main office LANs in the routing table.
The default route for the branch office traffic is the serial link to the Edge2 router.
*A connection through ISP-A will be used to reach the main office LANs if the Frame Relay network is unavailable.
By using both the DSL and the Frame Relay connection, the branch office router will load balance traffic that is destined for the main office LANs.
47. Refer to the exhibit. What can be determined about the operation of DLCI 101?
It is shut down.
Traffic flows in only one direction.
Packet size is limited to 2000 bytes.
*The Frame Relay network is experiencing congestion.
All packets moving across the link are marked as discard eligible.
48. A company establishes a Frame Relay connection between corporate headquarters and a branch office. The CIR for the connection is set at 4 Mb/s. Which statement is true about this WAN connection?
The company will not be able to send data faster than 4 Mb/s.
*If the company sends data faster than 4 Mb/s, some of the data frames will be flagged with a DE bit.
If the company sends data faster than 4 Mb/s, the TSP will change the CIR to zero.
When the company sends data faster than 4 Mb/s, the Frame Relay switch will set the BECN bit to 1 on the frames that are headed to the company.
49. The main office of a NetworkingCompany customer currently connects to three branch offices via three separate point-to-point T1 circuits. The customer network uses RIPv2 as the routing protocol within both the LAN and the WAN. The account manager proposes a change to a Frame Relay network because the costs are lower. A single local loop connection can be installed at the main office with three separate PVCs to connect the branch offices. How can the main office edge router be configured to enable the customer to continue to use RIP as the WAN routing protocol?
Enable Inverse ARP on the serial interface in order to learn the routes to the IP addresses of the remote routers.
To prevent the Frame Relay network from causing a routing loop, disable split horizon on the serial interface.
*Create three separate point-to-point subinterfaces on the serial interface and assign a different subnet IP address to each one.
Configure the serial interface with a single interface DLCI number and create frame-relay map statements for each remote site address.
50. What type of Frame Relay subinterface must be used to connect remote sites without having to disable split horizon?
multipoint
multiaccess
*point-to-point
nonbroadcast multiaccess
Rabu, 23 Maret 2011
final ccna4-2
1. What is a function that is associated with the access layer in a hierarchically designed network?
performs routing and packet manipulation
supplies redundancy and failover protection
provides a high-speed, low-latency backbone
*serves as a network connection point for IP telephony devices
2. What can be broadcast over the wireless network to help a user connect to the network and use wireless services?
*SSID
WEP keys
VLAN parameters
WPA encryption keys
VPN authentication information
3. What is the advantage of choosing EasyVPN for a new VPN implementation?
to provide encryption algorithms unavailable in other systems
to ensure that remote workers actually use the VPN for connectivity
to allow a greater variety of network devices to be used for VPN connections
*to simplify the configuration tasks for the device that is used as the VPN server
4. A company has help desk staff that is not highly trained in VPNs. What two features or technologies must the network designer identify as training needs in order for the help desk to support secure remote access for teleworkers? (Choose two.)
QoS operation
VLAN configuration
*tunneling protocols
IPv6 and IPv4 dual stack
*encryption algorithms
Frame Relay configuration
5. Which statement best describes the VPN feature called split tunneling?
It creates separate pathways for different VLANs.
It creates two tunnels, one for user traffic and one for management traffic such as CDP and SNMP.
*It allows user traffic that is destined for the corporate network to travel across the VPN tunnel, while traffic destined for the Internet travels through the local LAN of the VPN client.
It allows separate tunnels so that high priority traffic, such as voice and video, uses the higher bandwidth tunnel, while all other user traffic travels on the lower bandwidth tunnel.
6. The network infrastructure at the headquarters of an organization consists of Cisco network devices that are running RIPv1. As part of an upgrade project, a portion of the company backbone will be increased to 10 Gb/s and needs to support unequal cost load balancing between routers. The IP addressing scheme is also changing and needs to support VLSM and CIDR. Which routing protocol should be selected for the network?
BGP
*EIGRP
OSPF
RIPv2
7. A NetworkingCompany engineer is on a support call resolving technical problems for a client network. After the issue is resolved, the engineer also provides a training session for the network support staff. What role is the engineer filling on the networking company team?
*post-sales field engineer
pre-sales engineer
network designer
account manager
8. Refer to the exhibit. What can be concluded from the output that is shown?
MDF_R1 has a MAC address of 2294:300F:0000.
*MDF_R1 is connected through FastEthernet0/1 to C2960-24TT-L_IDF1.
Device C2960-24TT-L_IDF1 is running Cisco IOS Software Release 12.2(25)SEE2.
MDF_R1 is installed in the main distribution facility on floor 24 of building L.
9. Refer to the exhibit. In the Cisco IOS filename that is shown, what is signified by the underlined portion?
version
platform
*file format
feature set
10. A network administrator has removed a router from the network for maintenance. A new Cisco IOS software image has been successfully downloaded to a server and copied into the flash of the router. What should the administrator do before placing the router back into service?
Delete the previous version of the Cisco IOS software from flash.
Copy the new IOS into NVRAM to create a backup copy.
*Restart the router and verify that the new image starts successfully.
Verify the free space available on the router to store the new IOS image.
11. What information does an administrator require before saving the running configuration from a router to a TFTP server?
router IP address and the name of the configuration file in NVRAM
TFTP server IP address and the size of the configuration file in RAM
*TFTP server IP address and the name of the configuration file that will be saved
router IP address, size of the file and name of the configuration file on the TFTP server
TFTP server IP address, the router IP address, and the router interface through which the file will be loaded
12. A network administrator needs to transfer an IOS image to a router using a TFTP server. What should be verified prior to beginning the transfer process?
The TFTP server must connect to the router via a serial connection.
*Connectivity between the TFTP server and the router should have been established.
The TFTP server and the router must be on different networks for the transfer.
The TFTP server software must be the same version as the Cisco IOS software.
13. A network technician needs to install a four-port switch module in an operational Cisco 1841 router that has an available HWIC slot. What should the technician do first?
*Turn off the power to the router before installing the new module.
Install the hot-swappable four-port switch module directly into slot 1 of the 1841.
Move the existing WIC-2T module to slot 1 and install the four-port module in slot 0.
Shut down all Fast Ethernet ports on the router until the switch module installation is complete.
14. Refer to the exhibit. An administrator installs a WIC-2T module into a Cisco 1841 router. Attempts to configure the S0/0/0 interface are unsuccessful. As a first step in troubleshooting the failure, the administrator issues the show version command. What is a possible reason for the failure?
*The WIC was not physically installed properly.
The WIC was installed into slot 1 instead of slot 0.
The interface type and number are invalid on an 1841.
The configuration register is the wrong value for adding new modules.
15. Refer to the exhibit. Which type of application communication model best describes this network?
*client-client
client-server farm
client-enterprise edge
client-enterprise server
16. If traditional phones are used when introducing VoIP to a network, what component would be required to convert the analog voice from traditional telephone signals into IP packets?
Multipoint control unit
Power over Ethernet switches
*a router that acts as a voice gateway
Cisco Unified Communications Manager
17. Which characteristic should be considered by a network designer when implementing a VoIP solution?
VoIP traffic is generally classified as low priority.
VoIP centrally routes calls in the same manner as a traditional PBX.
VoIP traffic is highly reliable because of retransmission of dropped packets.
*VoIP can make use of QoS features to help reduce interruptions in communication.
18. What supports the ability of streaming video to be sent to a group of viewers simultaneously without congesting the entire network?
traffic queues
*multicast
multiple Layer 4 sessions
high priority from QoS
19. Which feature relies on prioritization of network traffic and is used to ensure successful delivery of real-time services?
security
reliability
redundancy
*quality of service
20. When implementing an IP telephony solution, why should VLANs be used?
to allow the use of a single IP gateway
*to separate voice from data traffic for ease of prioritization
to allow the PBX to use VLAN IDs to filter both voice and data traffic
to allow connectivity between traditional phone devices and IP-based telephony devices
21. Refer to the exhibit. What problem is associated with the the addressing scheme of the network?
The WAN links need IP addresses from a different major network.
The R1 LAN is incorrect because subnet zero cannot be used with VLSM.
The WAN link IP address that connects R1 to R3 has an incorrect mask.
*The R1 to R3 and R1 to R2 WAN links have IP addresses that overlap.
The WAN IP address that connects R1 to R2 overlaps with the R3 LAN IP addresses.
22. A customer of a large multisite organization has asked a network engineer to compare a new IPv4 addressing strategy with an IPv6 strategy for their new network implementation. Which tool is appropriate for testing and comparing both addressing schemes?
NBAR
Cisco SDM
Network Assistant
*network simulation tool
23. A network administrator wants to configure a router that is running EIGRP so that it will advertise a route that will summarize the networks that are shown. Which network will summarize only these networks?
192.168.12.0/24
192.168.13.0/24
192.168.14.0/24
192.168.15.0/24
192.168.0.0/16
192.168.0.0/20
192.168.8.0/21
*192.168.12.0/22
192.168.16.0/22
24. A school district decides to use the 172.30.0.0/16 network for its LAN networks. The network administrator must create an addressing scheme to support 500 users in the admin office, 200 at the high school, 60 at the elementary school and 28 at the district office. Which VLSM addressing scheme will correctly address the network with minimal waste?
172.30.0.0/20 admin
172.30.1.0/21 high school
172.30.1.8/22 elementary
172.30.1.12/26 district
172.30.0.0/22 admin
172.30.4.0/23 high school
172.30.5.0/24 elementary
172.30.6.0/26 district
172.30.0.0/23 admin
*172.30.2.0/24 high school
172.30.3.0/26 elementary
172.30.3.64/27 district
172.30.0.0/23 admin
172.30.2.0/24 high school
172.30.3.0/25 elementary
172.30.3.127/26 district
25. Refer to the exhibit. All router interfaces are up and RIP version 2 is configured as the routing protocol. The users in networks 172.16.8.0 /24 and 172.16.9.0/24 are not able to reach users in the 172.16.16.0/24 network. The network administrator examines the routing tables and finds that even though all directly connected networks have been entered in the RIP configuration, not all routes are present. What is the most likely cause of this problem?
*Autosummarization is enabled on all routers.
The split-horizon rule is disabled on all routers.
RIP version 2 does not support classless routing.
RIP version 1 should have been used instead of version 2.
The 10.10.4.0 networks should be replaced with 192.168.4.0 networks.
26. Which two processes allow a smooth transition from IPv4 to IPv6? (Choose two.)
IPSec
*tunneling
*dual stack
authentication
anycast addressing
header simplification
27. Which two values represent valid IPv6 addresses? (Choose two.)
::::1
*FF01::1
*0:0:0:0:0:0:0:1
2001:DB8::47::2A4
2031:0000:04AC:3400:FFE3:0
28. A network administrator of a middle-sized company is asked to upgrade the routing protocol of the network to support VLSM and route summarization. The current company network contains both Cisco and non-Cisco routers. Which routing protocol should be used for the upgrade?
BGP
RIPv1
*RIPv2
EIGRP
29. During prototype testing, a LAN switch fails. As the switch re-initializes using the default parameters, a port that has a PC attached transitions to the forwarding state within one second. What protocol would support this feature?
STP
RIP
BGP
VTP
*RSTP
30. Refer to the exhibit. Based on the output, which statement is correct? Switch2 is the root bridge.
Traffic will use Fa0/1 as an alternative link if Gi0/1 is busy.
All traffic with a destination on another switch will exit via Gi0/1.
*The port cost on Gi0/1 has been changed from its default settings.
31. When designing a prototype network for a new server farm, a network designer chooses to use redundant links to connect to the rest of the network. Which business goal will be addressed by this choice?
security
scalability
*availability
manageability
32. Refer to the exhibit. To provide better customer service, the network management decides to implement a new server farm, which is located in a data center. Which two technology implementations will address the requirements for strict security policies to prevent unauthorized access to the server farm? (Choose two.)
*Install firewalls and IDS capabilities on the network.
Apply ACLs to permit only inbound TCP traffic to the servers.
*Apply filters that permit traffic only to required ports on the servers.
Configure a flexible IP addressing structure that allocates a single subnet per VLAN.
Configure a fast-converging routing protocol with authentication at the core layer.
Create a management VLAN and provide access to the data center devices through Telnet.
Interface Fa0/1 on Switch2 has no role in the operation of spanning tree.
33. A wireless survey has been conducted before the deployment of a wireless network. What would be the benefit of the survey?
provides initial configuration of the access points
determines the channel settings of the access points
determines the security settings on the access points
*finds the optimal number and placement of access points
34. Refer to the exhibit. What does the TOR router do with traffic that is destined for a web server with an IP address of 172.18.10.24?
*The router sends the traffic out Serial 0/0/0.
The router sends the traffic out all interfaces other than the one it came in on.
The router places the packets into a queue until a better route is discovered via RIP.
The router sends a request to neighboring routers for paths to the 172.18.10.0 network.
35. A user in a large office calls technical support to complain that a PC has suddenly lost connectivity to the network. The technician asks the caller to talk to nearby users to see if other machines are affected. The caller reports that several immediate neighbors in the same department have a similar problem and that they cannot ping each other. Those who are seated in other departments have connectivity. What should the technician check as the first step in troubleshooting the issue?
the power outlet to the PC that is used by the caller.
the trunks between switches in the wiring closet.
*the status of the departmental workgroup switch in the wiring closet.
the cable that connects the PC of the caller to the network jack.
the cable connection between a PC and a network outlet that is used by a neighbor.
36. A company would like to ensure that the failure of a single access switch does not disrupt service to the mail servers located in the data center. What can be done to ensure maximum connectivity to the mail servers?
Enable CDP to ensure all neighboring devices are known.
Create a separate RSTP specifically for the mail servers.
Configure a routing protocol so that paths to all Layer 3 devices are cached.
*Install redundant access links between the servers and the access layer switches.
37. Refer to the exhibit. An extended ACL has been created to deny traffic from the 192.168.35.0/24 network to the web server with IP address 209.165.201.15. According to Cisco best practices, where should the ACL be applied?
*RTB Fa0/0 inbound
RTC S0/0/1 inbound
RTD Fa0/0 outbound
RTC S0/1/0 outbound
38. Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit?
The commands overwrite the existing Managers ACL.
*The commands are added at the end of the existing Managers ACL.
The commands are added at the beginning of the existing Managers ACL.
The network administrator receives an error that states that the ACL already exists.
39. A company is concerned with protecting internal e-commerce servers against external attacks. An application layer firewall is installed at the network edge and a host-based IDS system is installed on the internal LAN. What should be done to ensure a fast response and minimum server downtime in the event of an external attack?
*Replace the host-based IDS with an IPS.
Place the e-commerce servers in a DMZ.
Install a logging server to monitor all attacks.
Replace the application layer firewall with a stateful one.
40. Which two security best practices are recommended for a router deployed as a WAN endpoint? (Choose two.)
*Turn off unnecessary services.
Enable HTTP for web administration.
Configure easy to remember passwords.
*Apply timeouts on VTY, AUX, and console ports.
Enable Telnet access to allow for remote management.
41. Company XYZ requires a WAN solution that provides flexible bandwidth options and supports one physical interface at the head office that would provide simultaneous connectivity to various remote sites. The distance from each site should not make the solution more expensive. Which WAN technology meets the requirements of the company?
DSL
cable
*Frame Relay
T1 leased line
42. A technician adds the command Router(config-router)# variance 5 to a router using EIGRP as the routing protocol. What is the result of entering this command?
*enables unequal cost load balancing
adjusts the metric of all EIGRP routes to 5
restricts the number of EIGRP feasible successor routes to 5
activates the use of all K values in the composite metric calculation
enables EIGRP equal cost load balancing over a maximum of 5 routes
43. Refer to the exhibit. A pre-sales system engineer receives a diagram of the current WAN from a customer. EIGRP is the routing protocol used on the WAN. Based on the default operation of EIGRP, which statement is true about the routing table on router R1?
There is a single route to the 192.168.16.0/24 LAN using the T1 connection.
There is a single route to the 192.168.16.0/24 LAN using the DSL connection.
*There is a single route to the 192.168.16.0/24 LAN using the Metro Ethernet connection.
EIGRP installs all three routes to the 192.168.16.0/24 LAN and load balances the traffic.
44. Which feature of network design and configuration would be considered a weakness?
*Choosing a flat network model.
Choosing to implement an IPS instead of IDS.
Choosing to disable Telnet and allow only SSH connections for remote access to the core routers.
Choosing not to broadcast the SSID for wireless access points.
45. Refer to the exhibit. What can the field engineer conclude about the EIGRP authentication between Router1 and Router2?
Authentication will fail because only one key is configured.
*Authentication will succeed and EIGRP updates can be exchanged.
Authentication will fail because the key chain names do not match.
Authentication will fail because the key chain names must match the router names.
46. Refer to the exhibit. A networking engineer is characterizing an existing network for a new customer. The engineer issues a show running-config command on the R1 router to gather configuration information. What is the engineer able to determine as a result of viewing the output of this command?
The R1 router has two specific routes to the main office LANs in the routing table.
The default route for the R1 router points to the Edge1 router.
The R1 router will load-balance traffic to the main office LANs by using both DSL and Frame Relay.
*A connection through ISP-1 will be used to reach the main office LANs if the Frame Relay network is unavailable.
47. A network administrator has configured Frame Relay on a serial interface and issued the show interfaces serial command. The output shows that the interface is up and the line protocol is up. However, pings to the remote router across the link fail. What should the next step be to ensure that the IP address of the remote router appears in the Frame Relay map table of the local router?
Configure the router using the no inverse-arp command.
Ensure that the LMI type is correct for the circuit.
*Configure the router using the frame-relay map ip command.
Verify that the remote router has Frame Relay encapsulation enabled.
48. What are two accurate descriptors of a DLCI? (Choose two.)
*Frame Relay Layer 2 address
one DLCI allowed per local loop
*locally significant circuit endpoint
signaling standard between DTE and DCE
establishes the data transfer rate through a Frame Relay network
49. The main office of a NetworkingCompany customer currently connects to three branch offices via three separate point-to-point T1 circuits. The customer network uses RIPv2 as the routing protocol within both the LAN and the WAN. The account manager proposes a change to a Frame Relay network because the costs are lower. A single local loop connection can be installed at the main office with three separate PVCs to connect the branch offices. How can the main office edge router be configured to enable the customer to continue to use RIP as the WAN routing protocol?
Enable Inverse ARP on the serial interface in order to learn the routes to the IP addresses of the remote routers.
To prevent the Frame Relay network from causing a routing loop, disable split horizon on the serial interface.
*Create three separate point-to-point subinterfaces on the serial interface and assign a different subnet IP address to each one.
Configure the serial interface with a single interface DLCI number and create frame-relay map statements for each remote site address.
final ccna4-3
1. What can be broadcast over the wireless network to help a user connect to the network and use wireless services?
*SSID
WEP keys
VLAN parameters
WPA encryption keys
VPN authentication information
2. The network designer recommends using RSTP in the design of a new data center. There are multiple redundant Layer 2 switches and links contained in the new design. What is the benefit of using RSTP rather than STP in this situation?
Redundant links are not blocked.
Routing tables converge more quickly.
*Spanning Tree convergence times are reduced.
Fewer redundant links are required to maintain connectivity.
3. Several key servers in an organization must be directly accessible from the Internet. What addressing policy should be implemented for these servers?
Use dynamic NAT to provide addresses for the servers.
Place all of the servers in their own Class C private subnet.
Use DHCP to assign addresses from the pool of Class B addresses.
*Assign static internal addresses and public external addresses to each of the servers.
4. During a review of the proposed bill of materials, an account manager of the network solution company realizes that the systems engineer included a switch with lower cost and reduced capabilities for the access layer than was originally specified by the network designer. When questioned, the systems engineer responds that the switches specified by the designer cannot be purchased within the budget limitations of the customer. Which action should the account manager take?
Inform the customer that the project budget must be increased.
Inform the customer that the project cannot be completed given the unreasonable budget constraints.
*Communicate any risks that are associated with the equipment substitution and obtain customer approval to proceed.
Because the customer is probably aware that the budget limitations will require lower cost, less capable equipment, the account manager should do nothing.
5. A network designer has chosen to specify the use of a dedicated firewall appliance at the perimeter of a large network. Why would the designer use a dedicated firewall rather than using the Cisco IOS firewall feature set on the existing router?
Traffic filtering is needed on the internal LAN.
Multiple levels of access to the network are needed.
The DMZ requires packet filtering and port blocking.
*Heavy network traffic will be handled best by using a dedicated device.
6. An administrator is charged with providing guaranteed quality of service for certain applications. What technical requirement does QoS help to satisfy?
*availability
manageability
security
scalabilty
7. A network engineer is at a customer site. After resolving technical problems in the network, the engineer provides a training session for the support staff. Which job function best fits the activities of this network engineer?
network designer
account manager
pre-sales engineer
*post-sales field engineer
8. Refer to the exhibit. What can be concluded from the output that is shown?
MDF_2811 has a MAC address of 2294:300F:0000.
*Device C3750-24_IDF2 is running Cisco IOS Software Release 12.3(23)SEE2.
A Cisco 3750 switch is connected to the FastEthernet1/0/1 port on MDF_2811.
MDF_2811 is installed in the main distribution facility on floor 28 of building 11.
9. What is the purpose of a network baseline?
to add access control capabilities to the network
to reserve a spot in a rack for installing network equipment
to create a configuration template for quickly configuring new equipment
*to establish a point of reference for comparison with current performance
10. Refer to the exhibit. The network administrator has used the Cisco Feature Navigator to choose a Cisco IOS image to install on a router. Given the exhibited output of the show version command, which statement is true about the capacity of the router to use this Cisco IOS image?
There is enough DRAM and flash.
There is not enough DRAM and flash.
There is enough DRAM but not enough flash.
*There is not enough DRAM but enough flash.
11. Which two pieces of information are needed before an IOS image may be loaded on a router from a TFTP server? (Choose two.)
*the IP address of the TFTP server
the current name of the IOS image on the router
the operating system of the TFTP server
the name of the configuration file in NVRAM
*the name of the IOS image on the TFTP server
encapsulation of the router interface that is connected to the TFTP server
12. During the boot process and using the default sequence, what is the first location where the router will look for the IOS?
ROM
*flash
NVRAM
TFTP server
13. A network administrator needs to transfer an IOS image to a router using a TFTP server. What should be verified prior to beginning the transfer process?
The TFTP server must connect to the router via a serial connection.
*Connectivity between the TFTP server and the router should have been established.
The TFTP server and the router must be on different networks for the transfer.
The TFTP server software must be the same version as the Cisco IOS software.
14. A network technician needs to install a four-port switch module in an operational Cisco 1841 router that has an available HWIC slot. What should the technician do first?
*Turn off the power to the router before installing the new module.
Install the hot-swappable four-port switch module directly into slot 1 of the 1841.
Move the existing WIC-2T module to slot 1 and install the four-port module in slot 0.
Shut down all Fast Ethernet ports on the router until the switch module installation is complete.
15. Why is it difficult for network designers to predict the patterns and behavior of file transfer traffic?
*The traffic is user initiated.
File size is typically very small.
Dedicated bandwidth is essential.
All file transfer traffic is queued as high priority.
16. What functionality does NBAR provide to network technicians?
provides data which can be used to create a network diagram
allows for monitoring and managing network devices
*allows for classification and monitoring of network traffic
displays the IOS versions and IP addresses on neighboring devices
17. What type of system connects to the PSTN and uses a PBX to route calls via analog or digital lines?
VPN
VoIP
IP telephony
*traditional telephony
18. Which statement is true about the pairing of services and transport layer protocols for FTP and VoIP?
FTP applications and VoIP use TCP at the transport layer.
FTP applications and VoIP use UDP at the transport layer.
*FTP applications use TCP at the transport layer while VoIP uses UDP at the transport layer.
FTP applications use UDP at the transport layer while VoIP uses TCP at the transport layer.
19. Which technology will prioritize traffic based upon the technical requirements of IP telephony?
PoE
*QoS
RPC
RTP
VPN
20. A network engineer is prototyping a new IP addressing and summarization strategy for a new network that will be integrated into the existing infrastructure. Which method is appropriate for testing the addressing scheme?
using the production network of the customer
using actual network equipment in a lab
using the Cisco Network Assistant
*using a network simulation tool
21. In a converged network, which two types of traffic would be categorized as real-time traffic? (Choose two.)
e-mail
file transfer
web browsing
*videoconferencing
*voice over IP
video on demand
22. Refer to the exhibit. A customer has a problem with connectivity in the network. Based on the IP addressing scheme, what is causing the problem?
The WAN links need IP addresses from a different major network.
*The WAN link that connects R1 to R2 overlaps with the R3 LAN.
The WAN links that connect R1 to R3 and R1 to R2 have incorrect masks.
The R1 LAN is incorrect because subnet zero cannot be used with VLSM.
23. A network administrator is given a network address of 192.168.1.64/26 to create four subnets with seven hosts in each subnet. Which subnet mask should be used?
255.255.255.224
*255.255.255.240
255.255.255.248
255.255.255.252
24. Refer to the exhibit. The routers are configured with RIPv2 with default configurations. When attempting to communicate with other networks, hosts from 10.0.11.0/24 are experiencing connectivity issues. What could be done to resolve this issue?
Change to a public IP addressing scheme.
Use EIGRP with its default configuration as the routing protocol.
Change the subnet mask on the link between R2 and R3 to 255.255.255.0.
*Disable automatic route summarization on all routers in the network.
25. Refer to the exhibit. Which summarized route would be advertised by R1 to R2?
*10.0.0.0/13
10.4.0.0/14
10.5.0.0/13
10.6.0.0/14
26. What value is an alternative representation of the IPv6 address 2001:DB80:0000:0000:0C41:3EFF:FE00:0000?
2001:DB8::C41:3EFF:FE:
2001:DB80::C41:3EFF:FE00::
*2001:DB80::C41:3EFF:FE00:0
2001:DB80:0:0:0:C41:3EFF:FE::
27. A network administrator is integrating IPv6 into an IPv4 network by encapsulating an IPV6 packet within an IPv4 protocol. Which transition method is being used?
*tunneling
dual stack
proxying and translation
NAT with Protocol Translator
28. Refer to the exhibit. A network associate is configuring a new router to provide routing between VLANs. The associate removes the router from the box and connects the Fa0/0 interface to a trunking port on the switch. After the configuration is applied to the router, the traffic between VLANs still fails. What is causing this to occur?
The NWRnStick router needs a routing protocol configured.
The NWRnStick router needs additional Fast Ethernet interfaces installed.
*The subinterfaces of the NWRnStick router should have IP addresses applied.
All the subinterfaces of the NWRnStick router should be configured in the same VLAN.
29. A network designer must select a routing protocol for the network of a customer. The currently installed network contains both Cisco and non-Cisco routers, and there is no budget to replace them. The designer plans on implementing both VLSM and route summarization in the new network design. Which two protocols can provide the necessary functionality for this LAN? (Choose two.)
RTP
RSTP
RIPv1
*RIPv2
EIGRP
*OSPF
30. Refer to the exhibit. What result can be expected for STP in VLAN1?
DSW1 is the root bridge. DSW3 would become root upon failure of DSW1.
*DSW2 is the root bridge. DSW3 would become root upon failure of DSW2.
DSW3 is the root bridge. DSW1 would become root upon failure of DSW3.
DSW3 is the root bridge. DSW2 would become root upon failure of DSW3.
31. Refer to the exhibit. The users on the 192.168.10.128/26 network are not allowed Internet access. Where is the most efficient location to place an extended ACL?
inbound on S0/0/0 of R1
outbound on S0/0/1 of R1
*inbound on Fa0/0 of R2
outbound on Fa0/0 of R2
inbound on S0/0/1 of R2
32. Refer to the exhibit. What does the TOR router do with traffic that is destined for a web server with an IP address of 172.18.10.24?
*The router sends the traffic out Serial 0/0/0.
The router sends the traffic out all interfaces other than the one it came in on.
The router places the packets into a queue until a better route is discovered via RIP.
The router sends a request to neighboring routers for paths to the 172.18.10.0 network.
33. A user in a large office calls technical support to complain that a PC has suddenly lost connectivity to the network. The technician asks the caller to talk to nearby users to see if other machines are affected. The caller reports that several immediate neighbors in the same department have a similar problem and that they cannot ping each other. Those who are seated in other departments have connectivity. What should the technician check as the first step in troubleshooting the issue?
the power outlet to the PC that is used by the caller.
the trunks between switches in the wiring closet.
*the status of the departmental workgroup switch in the wiring closet.
the cable that connects the PC of the caller to the network jack.
the cable connection between a PC and a network outlet that is used by a neighbor.
34. Refer to the exhibit. A technician at the ISP site asks the network administrator at the client site to change the CHAP password as part of the routing security maintenance. After the administrator makes the change and reboots the router, the technician issues a show interfaces serial 0/0/0 command. According to the output, what can be concluded about the serial connection between the client site and ISP site?
The router at the client site is still in the process of rebooting.
*The administrator probably configured the wrong password.
The administrator has not issued a no shut command on the serial interface.
The administrator probably configured the wrong IP address for the serial interface.
35. Refer to the exhibit. A network engineer issues the show ip route command to validate that the newly designed network is working as anticipated. Which users will the Admin_LAN be able to communicate with?
Users on the Admin_LAN will not be able to communicate with users on either LAN.
*Users on the Admin_LAN will be able to communicate with the users on the Faculty_LAN.
Users on the Admin_LAN will be able to communicate with the users on the Student_LAN.
Users on the Admin_LAN will be able to communicate with the users on the Faculty_LAN and the Student_LAN.
36. Refer to the exhibit. A NetworkingCompany designer is reviewing a diagram of a customer network. What two risks or issues can be identified in the topology that is shown? (Choose two.)
*The firewall router and ISP connection represent a single point of failure.
*A failure of the switch that connects the Cisco Call Manager to the network will cause the entire IP telephony system to fail.
Using Layer 3 switches to interconnect the data center servers to the IP phones introduces too much delay.
The IP phones need to be redundantly connected to the switches to prevent single points of failure at the access layer.
If one of the Layer 3 switches fails, the Cisco Call Manager will be unreachable.
37. Refer to the exhibit. A company with four servers in its server farm has not enabled PVRST on the switches that connect to the server farm segment. What will happen within the network if a primary link goes down?
Access to the the servers will be lost.
*Convergence time will be slow and possibly cause applications to time out.
Routing protocols will not send the triggered updates in the event of a failure of the root bridge.
Switches that connect the servers to the network will not be found by other switches in the network.
38. Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit?
The commands overwrite the existing Managers ACL.
*The commands are added at the end of the existing Managers ACL.
The commands are added at the beginning of the existing Managers ACL.
The network administrator receives an error that states that the ACL already exists.
39. A company has branch offices at several locations across the country. Which security implementation would provide a cost-effective, secure, and authenticated connection to centralized internal resources that are located at company headquarters, without requiring configuration for individual employees at the branch offices?
leased line with PPP authentication
*site-to-site VPN
access control list
remote-access VPN
40. A company is concerned with protecting internal e-commerce servers against external attacks. An application layer firewall is installed at the network edge and a host-based IDS system is installed on the internal LAN. What should be done to ensure a fast response and minimum server downtime in the event of an external attack?
*/Replace the host-based IDS with an IPS.
Place the e-commerce servers in a DMZ.
Install a logging server to monitor all attacks.
Replace the application layer firewall with a stateful one.
41. Refer to the exhibit. What will be the result of entering the commands as shown in the exhibit?
RIPng will not be enabled on interface fa0/0 because the network address is a broadcast address.
RIPng will not be enabled on this interface because the IPv6 address is only /64 bits long.
*RIPng will be enabled on interface fa0/0 and will advertise the configured network.
The IPv6 interface configuration requires a network statement for the network.
The IPv6 routing instance must be called RTA not RT0.
42. Refer to the exhibit. A pre-sales system engineer receives a diagram of the current WAN from a customer. EIGRP is the routing protocol used on the WAN. Based on the default operation of EIGRP, which statement is true about the routing table on router R1?
There is a single route to the 192.168.16.0/24 LAN using the T1 connection.
There is a single route to the 192.168.16.0/24 LAN using the DSL connection.
*There is a single route to the 192.168.16.0/24 LAN using the Metro Ethernet connection.
EIGRP installs all three routes to the 192.168.16.0/24 LAN and load balances the traffic.
43. To reduce unwanted incoming traffic from the outside, a network technician is tasked with establishing the filtering rules for the network firewall. Which traffic should be allowed?
incoming ICMP traffic
all incoming connections to internal servers
*incoming responses to traffic that is generated from the inside
incoming connections from the outside that duplicate inside addresses
44. Refer to the exhibit. Based on the EIGRP configuration that is shown, what can the field engineer conclude about the EIGRP authentication between RouterA and RouterB?
Authentication will fail because only one key is configured.
Authentication will fail because the key chain names do not match.
*Authentication will succeed and EIGRP updates can be exchanged.
Authentication will fail because the key chain names must match the router names.
45. Refer to the exhibit. A networking company engineer is characterizing an existing network for a new customer. The engineer issues a show running-config command on the branch router to gather configuration information. What is the engineer able to determine as a result of viewing the output of this command?
*Branch office traffic will be routed through the Frame Relay connection to reach the main office LANs.
The default route for the branch office traffic uses a path through the Frame Relay network.
Under normal circumstances, the connection through ISP-A will be used to reach the main office LANs.
By using both the DSL and the Frame Relay connection, the branch office router will load balance traffic that is destined for the main office LANs.
46. A network administrator has configured Frame Relay on a serial interface and issued the show interfaces serial command. The output shows that the interface is up and the line protocol is up. However, pings to the remote router across the link fail. What should the next step be to ensure that the IP address of the remote router appears in the Frame Relay map table of the local router?
Configure the router using the no inverse-arp command.
Ensure that the LMI type is correct for the circuit.
*Configure the router using the frame-relay map ip command.
Verify that the remote router has Frame Relay encapsulation enabled.
47. Which two statements accurately describe the result of entering the command BRT(config-if)# frame-relay map ip 10.1.10.1 35 on a router? (Choose two.)
The remote router updates the Frame Relay map table with DLCI 35 to reach the 10.1.10.0 network.
Inverse ARP is used to add an entry for 10.1.10.1 into the Frame Relay map table via the use of DLCI 35.
DLCI 35 replaces the MAC address in the ARP table for entry 10.1.10.1.
*A Layer 2 address is statically mapped to a Layer 3 address.
*Router BRT uses DLCI 35 to forward data to 10.1.10.1.
48.The main office of a NetworkingCompany customer currently connects to three branch offices via three separate point-to-point T1 circuits. The customer network uses RIPv2 as the routing protocol within both the LAN and the WAN. The account manager proposes a change to a Frame Relay network because the costs are lower. A single local loop connection can be installed at the main office with three separate PVCs to connect the branch offices. How can the main office edge router be configured to enable the customer to continue to use RIP as the WAN routing protocol?
Enable Inverse ARP on the serial interface in order to learn the routes to the IP addresses of the remote routers.
To prevent the Frame Relay network from causing a routing loop, disable split horizon on the serial interface.
*Create three separate point-to-point subinterfaces on the serial interface and assign a different subnet IP address to each one.
Configure the serial interface with a single interface DLCI number and create frame-relay map statements for each remote site address.
49. A company plans to establish Frame Relay connections between corporate headquarters and several branch offices. The network designer recommends using one physical interface on the edge router to support the new Frame Relay connections. The company currently uses RIPv2 for routing and plans no changes to the RIPv2 configuration. What should be done to ensure that each branch office link is a separate subnet and that routing updates are successful between corporate headquarters and the branch offices?
Configure multipoint subinterfaces on the physical interface.
*Configure point-to-point subinterfaces on the physical interface.
Configure a single subinterface to establish multiple PVC connections.
Configure the physical interface to share one DLCI to multiple remote sites and their connections.
50. What is used locally by a router to identify each Frame Relay PVC?
LMI
*DLCI
IP address
MAC address
1. What is a function that is associated with the access layer in a hierarchically designed network?
performs routing and packet manipulation
supplies redundancy and failover protection
provides a high-speed, low-latency backbone
*serves as a network connection point for IP telephony devices
2. What can be broadcast over the wireless network to help a user connect to the network and use wireless services?
*SSID
WEP keys
VLAN parameters
WPA encryption keys
VPN authentication information
3. What is the advantage of choosing EasyVPN for a new VPN implementation?
to provide encryption algorithms unavailable in other systems
to ensure that remote workers actually use the VPN for connectivity
to allow a greater variety of network devices to be used for VPN connections
*to simplify the configuration tasks for the device that is used as the VPN server
4. A company has help desk staff that is not highly trained in VPNs. What two features or technologies must the network designer identify as training needs in order for the help desk to support secure remote access for teleworkers? (Choose two.)
QoS operation
VLAN configuration
*tunneling protocols
IPv6 and IPv4 dual stack
*encryption algorithms
Frame Relay configuration
5. Which statement best describes the VPN feature called split tunneling?
It creates separate pathways for different VLANs.
It creates two tunnels, one for user traffic and one for management traffic such as CDP and SNMP.
*It allows user traffic that is destined for the corporate network to travel across the VPN tunnel, while traffic destined for the Internet travels through the local LAN of the VPN client.
It allows separate tunnels so that high priority traffic, such as voice and video, uses the higher bandwidth tunnel, while all other user traffic travels on the lower bandwidth tunnel.
6. The network infrastructure at the headquarters of an organization consists of Cisco network devices that are running RIPv1. As part of an upgrade project, a portion of the company backbone will be increased to 10 Gb/s and needs to support unequal cost load balancing between routers. The IP addressing scheme is also changing and needs to support VLSM and CIDR. Which routing protocol should be selected for the network?
BGP
*EIGRP
OSPF
RIPv2
7. A NetworkingCompany engineer is on a support call resolving technical problems for a client network. After the issue is resolved, the engineer also provides a training session for the network support staff. What role is the engineer filling on the networking company team?
*post-sales field engineer
pre-sales engineer
network designer
account manager
8. Refer to the exhibit. What can be concluded from the output that is shown?
MDF_R1 has a MAC address of 2294:300F:0000.
*MDF_R1 is connected through FastEthernet0/1 to C2960-24TT-L_IDF1.
Device C2960-24TT-L_IDF1 is running Cisco IOS Software Release 12.2(25)SEE2.
MDF_R1 is installed in the main distribution facility on floor 24 of building L.
9. Refer to the exhibit. In the Cisco IOS filename that is shown, what is signified by the underlined portion?
version
platform
*file format
feature set
10. A network administrator has removed a router from the network for maintenance. A new Cisco IOS software image has been successfully downloaded to a server and copied into the flash of the router. What should the administrator do before placing the router back into service?
Delete the previous version of the Cisco IOS software from flash.
Copy the new IOS into NVRAM to create a backup copy.
*Restart the router and verify that the new image starts successfully.
Verify the free space available on the router to store the new IOS image.
11. What information does an administrator require before saving the running configuration from a router to a TFTP server?
router IP address and the name of the configuration file in NVRAM
TFTP server IP address and the size of the configuration file in RAM
*TFTP server IP address and the name of the configuration file that will be saved
router IP address, size of the file and name of the configuration file on the TFTP server
TFTP server IP address, the router IP address, and the router interface through which the file will be loaded
12. A network administrator needs to transfer an IOS image to a router using a TFTP server. What should be verified prior to beginning the transfer process?
The TFTP server must connect to the router via a serial connection.
*Connectivity between the TFTP server and the router should have been established.
The TFTP server and the router must be on different networks for the transfer.
The TFTP server software must be the same version as the Cisco IOS software.
13. A network technician needs to install a four-port switch module in an operational Cisco 1841 router that has an available HWIC slot. What should the technician do first?
*Turn off the power to the router before installing the new module.
Install the hot-swappable four-port switch module directly into slot 1 of the 1841.
Move the existing WIC-2T module to slot 1 and install the four-port module in slot 0.
Shut down all Fast Ethernet ports on the router until the switch module installation is complete.
14. Refer to the exhibit. An administrator installs a WIC-2T module into a Cisco 1841 router. Attempts to configure the S0/0/0 interface are unsuccessful. As a first step in troubleshooting the failure, the administrator issues the show version command. What is a possible reason for the failure?
*The WIC was not physically installed properly.
The WIC was installed into slot 1 instead of slot 0.
The interface type and number are invalid on an 1841.
The configuration register is the wrong value for adding new modules.
15. Refer to the exhibit. Which type of application communication model best describes this network?
*client-client
client-server farm
client-enterprise edge
client-enterprise server
16. If traditional phones are used when introducing VoIP to a network, what component would be required to convert the analog voice from traditional telephone signals into IP packets?
Multipoint control unit
Power over Ethernet switches
*a router that acts as a voice gateway
Cisco Unified Communications Manager
17. Which characteristic should be considered by a network designer when implementing a VoIP solution?
VoIP traffic is generally classified as low priority.
VoIP centrally routes calls in the same manner as a traditional PBX.
VoIP traffic is highly reliable because of retransmission of dropped packets.
*VoIP can make use of QoS features to help reduce interruptions in communication.
18. What supports the ability of streaming video to be sent to a group of viewers simultaneously without congesting the entire network?
traffic queues
*multicast
multiple Layer 4 sessions
high priority from QoS
19. Which feature relies on prioritization of network traffic and is used to ensure successful delivery of real-time services?
security
reliability
redundancy
*quality of service
20. When implementing an IP telephony solution, why should VLANs be used?
to allow the use of a single IP gateway
*to separate voice from data traffic for ease of prioritization
to allow the PBX to use VLAN IDs to filter both voice and data traffic
to allow connectivity between traditional phone devices and IP-based telephony devices
21. Refer to the exhibit. What problem is associated with the the addressing scheme of the network?
The WAN links need IP addresses from a different major network.
The R1 LAN is incorrect because subnet zero cannot be used with VLSM.
The WAN link IP address that connects R1 to R3 has an incorrect mask.
*The R1 to R3 and R1 to R2 WAN links have IP addresses that overlap.
The WAN IP address that connects R1 to R2 overlaps with the R3 LAN IP addresses.
22. A customer of a large multisite organization has asked a network engineer to compare a new IPv4 addressing strategy with an IPv6 strategy for their new network implementation. Which tool is appropriate for testing and comparing both addressing schemes?
NBAR
Cisco SDM
Network Assistant
*network simulation tool
23. A network administrator wants to configure a router that is running EIGRP so that it will advertise a route that will summarize the networks that are shown. Which network will summarize only these networks?
192.168.12.0/24
192.168.13.0/24
192.168.14.0/24
192.168.15.0/24
192.168.0.0/16
192.168.0.0/20
192.168.8.0/21
*192.168.12.0/22
192.168.16.0/22
24. A school district decides to use the 172.30.0.0/16 network for its LAN networks. The network administrator must create an addressing scheme to support 500 users in the admin office, 200 at the high school, 60 at the elementary school and 28 at the district office. Which VLSM addressing scheme will correctly address the network with minimal waste?
172.30.0.0/20 admin
172.30.1.0/21 high school
172.30.1.8/22 elementary
172.30.1.12/26 district
172.30.0.0/22 admin
172.30.4.0/23 high school
172.30.5.0/24 elementary
172.30.6.0/26 district
172.30.0.0/23 admin
*172.30.2.0/24 high school
172.30.3.0/26 elementary
172.30.3.64/27 district
172.30.0.0/23 admin
172.30.2.0/24 high school
172.30.3.0/25 elementary
172.30.3.127/26 district
25. Refer to the exhibit. All router interfaces are up and RIP version 2 is configured as the routing protocol. The users in networks 172.16.8.0 /24 and 172.16.9.0/24 are not able to reach users in the 172.16.16.0/24 network. The network administrator examines the routing tables and finds that even though all directly connected networks have been entered in the RIP configuration, not all routes are present. What is the most likely cause of this problem?
*Autosummarization is enabled on all routers.
The split-horizon rule is disabled on all routers.
RIP version 2 does not support classless routing.
RIP version 1 should have been used instead of version 2.
The 10.10.4.0 networks should be replaced with 192.168.4.0 networks.
26. Which two processes allow a smooth transition from IPv4 to IPv6? (Choose two.)
IPSec
*tunneling
*dual stack
authentication
anycast addressing
header simplification
27. Which two values represent valid IPv6 addresses? (Choose two.)
::::1
*FF01::1
*0:0:0:0:0:0:0:1
2001:DB8::47::2A4
2031:0000:04AC:3400:FFE3:0
28. A network administrator of a middle-sized company is asked to upgrade the routing protocol of the network to support VLSM and route summarization. The current company network contains both Cisco and non-Cisco routers. Which routing protocol should be used for the upgrade?
BGP
RIPv1
*RIPv2
EIGRP
29. During prototype testing, a LAN switch fails. As the switch re-initializes using the default parameters, a port that has a PC attached transitions to the forwarding state within one second. What protocol would support this feature?
STP
RIP
BGP
VTP
*RSTP
30. Refer to the exhibit. Based on the output, which statement is correct? Switch2 is the root bridge.
Traffic will use Fa0/1 as an alternative link if Gi0/1 is busy.
All traffic with a destination on another switch will exit via Gi0/1.
*The port cost on Gi0/1 has been changed from its default settings.
31. When designing a prototype network for a new server farm, a network designer chooses to use redundant links to connect to the rest of the network. Which business goal will be addressed by this choice?
security
scalability
*availability
manageability
32. Refer to the exhibit. To provide better customer service, the network management decides to implement a new server farm, which is located in a data center. Which two technology implementations will address the requirements for strict security policies to prevent unauthorized access to the server farm? (Choose two.)
*Install firewalls and IDS capabilities on the network.
Apply ACLs to permit only inbound TCP traffic to the servers.
*Apply filters that permit traffic only to required ports on the servers.
Configure a flexible IP addressing structure that allocates a single subnet per VLAN.
Configure a fast-converging routing protocol with authentication at the core layer.
Create a management VLAN and provide access to the data center devices through Telnet.
Interface Fa0/1 on Switch2 has no role in the operation of spanning tree.
33. A wireless survey has been conducted before the deployment of a wireless network. What would be the benefit of the survey?
provides initial configuration of the access points
determines the channel settings of the access points
determines the security settings on the access points
*finds the optimal number and placement of access points
34. Refer to the exhibit. What does the TOR router do with traffic that is destined for a web server with an IP address of 172.18.10.24?
*The router sends the traffic out Serial 0/0/0.
The router sends the traffic out all interfaces other than the one it came in on.
The router places the packets into a queue until a better route is discovered via RIP.
The router sends a request to neighboring routers for paths to the 172.18.10.0 network.
35. A user in a large office calls technical support to complain that a PC has suddenly lost connectivity to the network. The technician asks the caller to talk to nearby users to see if other machines are affected. The caller reports that several immediate neighbors in the same department have a similar problem and that they cannot ping each other. Those who are seated in other departments have connectivity. What should the technician check as the first step in troubleshooting the issue?
the power outlet to the PC that is used by the caller.
the trunks between switches in the wiring closet.
*the status of the departmental workgroup switch in the wiring closet.
the cable that connects the PC of the caller to the network jack.
the cable connection between a PC and a network outlet that is used by a neighbor.
36. A company would like to ensure that the failure of a single access switch does not disrupt service to the mail servers located in the data center. What can be done to ensure maximum connectivity to the mail servers?
Enable CDP to ensure all neighboring devices are known.
Create a separate RSTP specifically for the mail servers.
Configure a routing protocol so that paths to all Layer 3 devices are cached.
*Install redundant access links between the servers and the access layer switches.
37. Refer to the exhibit. An extended ACL has been created to deny traffic from the 192.168.35.0/24 network to the web server with IP address 209.165.201.15. According to Cisco best practices, where should the ACL be applied?
*RTB Fa0/0 inbound
RTC S0/0/1 inbound
RTD Fa0/0 outbound
RTC S0/1/0 outbound
38. Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit?
The commands overwrite the existing Managers ACL.
*The commands are added at the end of the existing Managers ACL.
The commands are added at the beginning of the existing Managers ACL.
The network administrator receives an error that states that the ACL already exists.
39. A company is concerned with protecting internal e-commerce servers against external attacks. An application layer firewall is installed at the network edge and a host-based IDS system is installed on the internal LAN. What should be done to ensure a fast response and minimum server downtime in the event of an external attack?
*Replace the host-based IDS with an IPS.
Place the e-commerce servers in a DMZ.
Install a logging server to monitor all attacks.
Replace the application layer firewall with a stateful one.
40. Which two security best practices are recommended for a router deployed as a WAN endpoint? (Choose two.)
*Turn off unnecessary services.
Enable HTTP for web administration.
Configure easy to remember passwords.
*Apply timeouts on VTY, AUX, and console ports.
Enable Telnet access to allow for remote management.
41. Company XYZ requires a WAN solution that provides flexible bandwidth options and supports one physical interface at the head office that would provide simultaneous connectivity to various remote sites. The distance from each site should not make the solution more expensive. Which WAN technology meets the requirements of the company?
DSL
cable
*Frame Relay
T1 leased line
42. A technician adds the command Router(config-router)# variance 5 to a router using EIGRP as the routing protocol. What is the result of entering this command?
*enables unequal cost load balancing
adjusts the metric of all EIGRP routes to 5
restricts the number of EIGRP feasible successor routes to 5
activates the use of all K values in the composite metric calculation
enables EIGRP equal cost load balancing over a maximum of 5 routes
43. Refer to the exhibit. A pre-sales system engineer receives a diagram of the current WAN from a customer. EIGRP is the routing protocol used on the WAN. Based on the default operation of EIGRP, which statement is true about the routing table on router R1?
There is a single route to the 192.168.16.0/24 LAN using the T1 connection.
There is a single route to the 192.168.16.0/24 LAN using the DSL connection.
*There is a single route to the 192.168.16.0/24 LAN using the Metro Ethernet connection.
EIGRP installs all three routes to the 192.168.16.0/24 LAN and load balances the traffic.
44. Which feature of network design and configuration would be considered a weakness?
*Choosing a flat network model.
Choosing to implement an IPS instead of IDS.
Choosing to disable Telnet and allow only SSH connections for remote access to the core routers.
Choosing not to broadcast the SSID for wireless access points.
45. Refer to the exhibit. What can the field engineer conclude about the EIGRP authentication between Router1 and Router2?
Authentication will fail because only one key is configured.
*Authentication will succeed and EIGRP updates can be exchanged.
Authentication will fail because the key chain names do not match.
Authentication will fail because the key chain names must match the router names.
46. Refer to the exhibit. A networking engineer is characterizing an existing network for a new customer. The engineer issues a show running-config command on the R1 router to gather configuration information. What is the engineer able to determine as a result of viewing the output of this command?
The R1 router has two specific routes to the main office LANs in the routing table.
The default route for the R1 router points to the Edge1 router.
The R1 router will load-balance traffic to the main office LANs by using both DSL and Frame Relay.
*A connection through ISP-1 will be used to reach the main office LANs if the Frame Relay network is unavailable.
47. A network administrator has configured Frame Relay on a serial interface and issued the show interfaces serial command. The output shows that the interface is up and the line protocol is up. However, pings to the remote router across the link fail. What should the next step be to ensure that the IP address of the remote router appears in the Frame Relay map table of the local router?
Configure the router using the no inverse-arp command.
Ensure that the LMI type is correct for the circuit.
*Configure the router using the frame-relay map ip command.
Verify that the remote router has Frame Relay encapsulation enabled.
48. What are two accurate descriptors of a DLCI? (Choose two.)
*Frame Relay Layer 2 address
one DLCI allowed per local loop
*locally significant circuit endpoint
signaling standard between DTE and DCE
establishes the data transfer rate through a Frame Relay network
49. The main office of a NetworkingCompany customer currently connects to three branch offices via three separate point-to-point T1 circuits. The customer network uses RIPv2 as the routing protocol within both the LAN and the WAN. The account manager proposes a change to a Frame Relay network because the costs are lower. A single local loop connection can be installed at the main office with three separate PVCs to connect the branch offices. How can the main office edge router be configured to enable the customer to continue to use RIP as the WAN routing protocol?
Enable Inverse ARP on the serial interface in order to learn the routes to the IP addresses of the remote routers.
To prevent the Frame Relay network from causing a routing loop, disable split horizon on the serial interface.
*Create three separate point-to-point subinterfaces on the serial interface and assign a different subnet IP address to each one.
Configure the serial interface with a single interface DLCI number and create frame-relay map statements for each remote site address.
final ccna4-3
1. What can be broadcast over the wireless network to help a user connect to the network and use wireless services?
*SSID
WEP keys
VLAN parameters
WPA encryption keys
VPN authentication information
2. The network designer recommends using RSTP in the design of a new data center. There are multiple redundant Layer 2 switches and links contained in the new design. What is the benefit of using RSTP rather than STP in this situation?
Redundant links are not blocked.
Routing tables converge more quickly.
*Spanning Tree convergence times are reduced.
Fewer redundant links are required to maintain connectivity.
3. Several key servers in an organization must be directly accessible from the Internet. What addressing policy should be implemented for these servers?
Use dynamic NAT to provide addresses for the servers.
Place all of the servers in their own Class C private subnet.
Use DHCP to assign addresses from the pool of Class B addresses.
*Assign static internal addresses and public external addresses to each of the servers.
4. During a review of the proposed bill of materials, an account manager of the network solution company realizes that the systems engineer included a switch with lower cost and reduced capabilities for the access layer than was originally specified by the network designer. When questioned, the systems engineer responds that the switches specified by the designer cannot be purchased within the budget limitations of the customer. Which action should the account manager take?
Inform the customer that the project budget must be increased.
Inform the customer that the project cannot be completed given the unreasonable budget constraints.
*Communicate any risks that are associated with the equipment substitution and obtain customer approval to proceed.
Because the customer is probably aware that the budget limitations will require lower cost, less capable equipment, the account manager should do nothing.
5. A network designer has chosen to specify the use of a dedicated firewall appliance at the perimeter of a large network. Why would the designer use a dedicated firewall rather than using the Cisco IOS firewall feature set on the existing router?
Traffic filtering is needed on the internal LAN.
Multiple levels of access to the network are needed.
The DMZ requires packet filtering and port blocking.
*Heavy network traffic will be handled best by using a dedicated device.
6. An administrator is charged with providing guaranteed quality of service for certain applications. What technical requirement does QoS help to satisfy?
*availability
manageability
security
scalabilty
7. A network engineer is at a customer site. After resolving technical problems in the network, the engineer provides a training session for the support staff. Which job function best fits the activities of this network engineer?
network designer
account manager
pre-sales engineer
*post-sales field engineer
8. Refer to the exhibit. What can be concluded from the output that is shown?
MDF_2811 has a MAC address of 2294:300F:0000.
*Device C3750-24_IDF2 is running Cisco IOS Software Release 12.3(23)SEE2.
A Cisco 3750 switch is connected to the FastEthernet1/0/1 port on MDF_2811.
MDF_2811 is installed in the main distribution facility on floor 28 of building 11.
9. What is the purpose of a network baseline?
to add access control capabilities to the network
to reserve a spot in a rack for installing network equipment
to create a configuration template for quickly configuring new equipment
*to establish a point of reference for comparison with current performance
10. Refer to the exhibit. The network administrator has used the Cisco Feature Navigator to choose a Cisco IOS image to install on a router. Given the exhibited output of the show version command, which statement is true about the capacity of the router to use this Cisco IOS image?
There is enough DRAM and flash.
There is not enough DRAM and flash.
There is enough DRAM but not enough flash.
*There is not enough DRAM but enough flash.
11. Which two pieces of information are needed before an IOS image may be loaded on a router from a TFTP server? (Choose two.)
*the IP address of the TFTP server
the current name of the IOS image on the router
the operating system of the TFTP server
the name of the configuration file in NVRAM
*the name of the IOS image on the TFTP server
encapsulation of the router interface that is connected to the TFTP server
12. During the boot process and using the default sequence, what is the first location where the router will look for the IOS?
ROM
*flash
NVRAM
TFTP server
13. A network administrator needs to transfer an IOS image to a router using a TFTP server. What should be verified prior to beginning the transfer process?
The TFTP server must connect to the router via a serial connection.
*Connectivity between the TFTP server and the router should have been established.
The TFTP server and the router must be on different networks for the transfer.
The TFTP server software must be the same version as the Cisco IOS software.
14. A network technician needs to install a four-port switch module in an operational Cisco 1841 router that has an available HWIC slot. What should the technician do first?
*Turn off the power to the router before installing the new module.
Install the hot-swappable four-port switch module directly into slot 1 of the 1841.
Move the existing WIC-2T module to slot 1 and install the four-port module in slot 0.
Shut down all Fast Ethernet ports on the router until the switch module installation is complete.
15. Why is it difficult for network designers to predict the patterns and behavior of file transfer traffic?
*The traffic is user initiated.
File size is typically very small.
Dedicated bandwidth is essential.
All file transfer traffic is queued as high priority.
16. What functionality does NBAR provide to network technicians?
provides data which can be used to create a network diagram
allows for monitoring and managing network devices
*allows for classification and monitoring of network traffic
displays the IOS versions and IP addresses on neighboring devices
17. What type of system connects to the PSTN and uses a PBX to route calls via analog or digital lines?
VPN
VoIP
IP telephony
*traditional telephony
18. Which statement is true about the pairing of services and transport layer protocols for FTP and VoIP?
FTP applications and VoIP use TCP at the transport layer.
FTP applications and VoIP use UDP at the transport layer.
*FTP applications use TCP at the transport layer while VoIP uses UDP at the transport layer.
FTP applications use UDP at the transport layer while VoIP uses TCP at the transport layer.
19. Which technology will prioritize traffic based upon the technical requirements of IP telephony?
PoE
*QoS
RPC
RTP
VPN
20. A network engineer is prototyping a new IP addressing and summarization strategy for a new network that will be integrated into the existing infrastructure. Which method is appropriate for testing the addressing scheme?
using the production network of the customer
using actual network equipment in a lab
using the Cisco Network Assistant
*using a network simulation tool
21. In a converged network, which two types of traffic would be categorized as real-time traffic? (Choose two.)
file transfer
web browsing
*videoconferencing
*voice over IP
video on demand
22. Refer to the exhibit. A customer has a problem with connectivity in the network. Based on the IP addressing scheme, what is causing the problem?
The WAN links need IP addresses from a different major network.
*The WAN link that connects R1 to R2 overlaps with the R3 LAN.
The WAN links that connect R1 to R3 and R1 to R2 have incorrect masks.
The R1 LAN is incorrect because subnet zero cannot be used with VLSM.
23. A network administrator is given a network address of 192.168.1.64/26 to create four subnets with seven hosts in each subnet. Which subnet mask should be used?
255.255.255.224
*255.255.255.240
255.255.255.248
255.255.255.252
24. Refer to the exhibit. The routers are configured with RIPv2 with default configurations. When attempting to communicate with other networks, hosts from 10.0.11.0/24 are experiencing connectivity issues. What could be done to resolve this issue?
Change to a public IP addressing scheme.
Use EIGRP with its default configuration as the routing protocol.
Change the subnet mask on the link between R2 and R3 to 255.255.255.0.
*Disable automatic route summarization on all routers in the network.
25. Refer to the exhibit. Which summarized route would be advertised by R1 to R2?
*10.0.0.0/13
10.4.0.0/14
10.5.0.0/13
10.6.0.0/14
26. What value is an alternative representation of the IPv6 address 2001:DB80:0000:0000:0C41:3EFF:FE00:0000?
2001:DB8::C41:3EFF:FE:
2001:DB80::C41:3EFF:FE00::
*2001:DB80::C41:3EFF:FE00:0
2001:DB80:0:0:0:C41:3EFF:FE::
27. A network administrator is integrating IPv6 into an IPv4 network by encapsulating an IPV6 packet within an IPv4 protocol. Which transition method is being used?
*tunneling
dual stack
proxying and translation
NAT with Protocol Translator
28. Refer to the exhibit. A network associate is configuring a new router to provide routing between VLANs. The associate removes the router from the box and connects the Fa0/0 interface to a trunking port on the switch. After the configuration is applied to the router, the traffic between VLANs still fails. What is causing this to occur?
The NWRnStick router needs a routing protocol configured.
The NWRnStick router needs additional Fast Ethernet interfaces installed.
*The subinterfaces of the NWRnStick router should have IP addresses applied.
All the subinterfaces of the NWRnStick router should be configured in the same VLAN.
29. A network designer must select a routing protocol for the network of a customer. The currently installed network contains both Cisco and non-Cisco routers, and there is no budget to replace them. The designer plans on implementing both VLSM and route summarization in the new network design. Which two protocols can provide the necessary functionality for this LAN? (Choose two.)
RTP
RSTP
RIPv1
*RIPv2
EIGRP
*OSPF
30. Refer to the exhibit. What result can be expected for STP in VLAN1?
DSW1 is the root bridge. DSW3 would become root upon failure of DSW1.
*DSW2 is the root bridge. DSW3 would become root upon failure of DSW2.
DSW3 is the root bridge. DSW1 would become root upon failure of DSW3.
DSW3 is the root bridge. DSW2 would become root upon failure of DSW3.
31. Refer to the exhibit. The users on the 192.168.10.128/26 network are not allowed Internet access. Where is the most efficient location to place an extended ACL?
inbound on S0/0/0 of R1
outbound on S0/0/1 of R1
*inbound on Fa0/0 of R2
outbound on Fa0/0 of R2
inbound on S0/0/1 of R2
32. Refer to the exhibit. What does the TOR router do with traffic that is destined for a web server with an IP address of 172.18.10.24?
*The router sends the traffic out Serial 0/0/0.
The router sends the traffic out all interfaces other than the one it came in on.
The router places the packets into a queue until a better route is discovered via RIP.
The router sends a request to neighboring routers for paths to the 172.18.10.0 network.
33. A user in a large office calls technical support to complain that a PC has suddenly lost connectivity to the network. The technician asks the caller to talk to nearby users to see if other machines are affected. The caller reports that several immediate neighbors in the same department have a similar problem and that they cannot ping each other. Those who are seated in other departments have connectivity. What should the technician check as the first step in troubleshooting the issue?
the power outlet to the PC that is used by the caller.
the trunks between switches in the wiring closet.
*the status of the departmental workgroup switch in the wiring closet.
the cable that connects the PC of the caller to the network jack.
the cable connection between a PC and a network outlet that is used by a neighbor.
34. Refer to the exhibit. A technician at the ISP site asks the network administrator at the client site to change the CHAP password as part of the routing security maintenance. After the administrator makes the change and reboots the router, the technician issues a show interfaces serial 0/0/0 command. According to the output, what can be concluded about the serial connection between the client site and ISP site?
The router at the client site is still in the process of rebooting.
*The administrator probably configured the wrong password.
The administrator has not issued a no shut command on the serial interface.
The administrator probably configured the wrong IP address for the serial interface.
35. Refer to the exhibit. A network engineer issues the show ip route command to validate that the newly designed network is working as anticipated. Which users will the Admin_LAN be able to communicate with?
Users on the Admin_LAN will not be able to communicate with users on either LAN.
*Users on the Admin_LAN will be able to communicate with the users on the Faculty_LAN.
Users on the Admin_LAN will be able to communicate with the users on the Student_LAN.
Users on the Admin_LAN will be able to communicate with the users on the Faculty_LAN and the Student_LAN.
36. Refer to the exhibit. A NetworkingCompany designer is reviewing a diagram of a customer network. What two risks or issues can be identified in the topology that is shown? (Choose two.)
*The firewall router and ISP connection represent a single point of failure.
*A failure of the switch that connects the Cisco Call Manager to the network will cause the entire IP telephony system to fail.
Using Layer 3 switches to interconnect the data center servers to the IP phones introduces too much delay.
The IP phones need to be redundantly connected to the switches to prevent single points of failure at the access layer.
If one of the Layer 3 switches fails, the Cisco Call Manager will be unreachable.
37. Refer to the exhibit. A company with four servers in its server farm has not enabled PVRST on the switches that connect to the server farm segment. What will happen within the network if a primary link goes down?
Access to the the servers will be lost.
*Convergence time will be slow and possibly cause applications to time out.
Routing protocols will not send the triggered updates in the event of a failure of the root bridge.
Switches that connect the servers to the network will not be found by other switches in the network.
38. Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit?
The commands overwrite the existing Managers ACL.
*The commands are added at the end of the existing Managers ACL.
The commands are added at the beginning of the existing Managers ACL.
The network administrator receives an error that states that the ACL already exists.
39. A company has branch offices at several locations across the country. Which security implementation would provide a cost-effective, secure, and authenticated connection to centralized internal resources that are located at company headquarters, without requiring configuration for individual employees at the branch offices?
leased line with PPP authentication
*site-to-site VPN
access control list
remote-access VPN
40. A company is concerned with protecting internal e-commerce servers against external attacks. An application layer firewall is installed at the network edge and a host-based IDS system is installed on the internal LAN. What should be done to ensure a fast response and minimum server downtime in the event of an external attack?
*/Replace the host-based IDS with an IPS.
Place the e-commerce servers in a DMZ.
Install a logging server to monitor all attacks.
Replace the application layer firewall with a stateful one.
41. Refer to the exhibit. What will be the result of entering the commands as shown in the exhibit?
RIPng will not be enabled on interface fa0/0 because the network address is a broadcast address.
RIPng will not be enabled on this interface because the IPv6 address is only /64 bits long.
*RIPng will be enabled on interface fa0/0 and will advertise the configured network.
The IPv6 interface configuration requires a network statement for the network.
The IPv6 routing instance must be called RTA not RT0.
42. Refer to the exhibit. A pre-sales system engineer receives a diagram of the current WAN from a customer. EIGRP is the routing protocol used on the WAN. Based on the default operation of EIGRP, which statement is true about the routing table on router R1?
There is a single route to the 192.168.16.0/24 LAN using the T1 connection.
There is a single route to the 192.168.16.0/24 LAN using the DSL connection.
*There is a single route to the 192.168.16.0/24 LAN using the Metro Ethernet connection.
EIGRP installs all three routes to the 192.168.16.0/24 LAN and load balances the traffic.
43. To reduce unwanted incoming traffic from the outside, a network technician is tasked with establishing the filtering rules for the network firewall. Which traffic should be allowed?
incoming ICMP traffic
all incoming connections to internal servers
*incoming responses to traffic that is generated from the inside
incoming connections from the outside that duplicate inside addresses
44. Refer to the exhibit. Based on the EIGRP configuration that is shown, what can the field engineer conclude about the EIGRP authentication between RouterA and RouterB?
Authentication will fail because only one key is configured.
Authentication will fail because the key chain names do not match.
*Authentication will succeed and EIGRP updates can be exchanged.
Authentication will fail because the key chain names must match the router names.
45. Refer to the exhibit. A networking company engineer is characterizing an existing network for a new customer. The engineer issues a show running-config command on the branch router to gather configuration information. What is the engineer able to determine as a result of viewing the output of this command?
*Branch office traffic will be routed through the Frame Relay connection to reach the main office LANs.
The default route for the branch office traffic uses a path through the Frame Relay network.
Under normal circumstances, the connection through ISP-A will be used to reach the main office LANs.
By using both the DSL and the Frame Relay connection, the branch office router will load balance traffic that is destined for the main office LANs.
46. A network administrator has configured Frame Relay on a serial interface and issued the show interfaces serial command. The output shows that the interface is up and the line protocol is up. However, pings to the remote router across the link fail. What should the next step be to ensure that the IP address of the remote router appears in the Frame Relay map table of the local router?
Configure the router using the no inverse-arp command.
Ensure that the LMI type is correct for the circuit.
*Configure the router using the frame-relay map ip command.
Verify that the remote router has Frame Relay encapsulation enabled.
47. Which two statements accurately describe the result of entering the command BRT(config-if)# frame-relay map ip 10.1.10.1 35 on a router? (Choose two.)
The remote router updates the Frame Relay map table with DLCI 35 to reach the 10.1.10.0 network.
Inverse ARP is used to add an entry for 10.1.10.1 into the Frame Relay map table via the use of DLCI 35.
DLCI 35 replaces the MAC address in the ARP table for entry 10.1.10.1.
*A Layer 2 address is statically mapped to a Layer 3 address.
*Router BRT uses DLCI 35 to forward data to 10.1.10.1.
48.The main office of a NetworkingCompany customer currently connects to three branch offices via three separate point-to-point T1 circuits. The customer network uses RIPv2 as the routing protocol within both the LAN and the WAN. The account manager proposes a change to a Frame Relay network because the costs are lower. A single local loop connection can be installed at the main office with three separate PVCs to connect the branch offices. How can the main office edge router be configured to enable the customer to continue to use RIP as the WAN routing protocol?
Enable Inverse ARP on the serial interface in order to learn the routes to the IP addresses of the remote routers.
To prevent the Frame Relay network from causing a routing loop, disable split horizon on the serial interface.
*Create three separate point-to-point subinterfaces on the serial interface and assign a different subnet IP address to each one.
Configure the serial interface with a single interface DLCI number and create frame-relay map statements for each remote site address.
49. A company plans to establish Frame Relay connections between corporate headquarters and several branch offices. The network designer recommends using one physical interface on the edge router to support the new Frame Relay connections. The company currently uses RIPv2 for routing and plans no changes to the RIPv2 configuration. What should be done to ensure that each branch office link is a separate subnet and that routing updates are successful between corporate headquarters and the branch offices?
Configure multipoint subinterfaces on the physical interface.
*Configure point-to-point subinterfaces on the physical interface.
Configure a single subinterface to establish multiple PVC connections.
Configure the physical interface to share one DLCI to multiple remote sites and their connections.
50. What is used locally by a router to identify each Frame Relay PVC?
LMI
*DLCI
IP address
MAC address
Selasa, 08 Maret 2011
CCNA 4-1
1. What can be broadcast over the wireless network to help a user connect to the network and use wireless services?
* SSID
WEP keys
VLAN parameters
WPA encryption keys
VPN authentication information
2. The network designer recommends using RSTP in the design of a new data center. There are multiple redundant Layer 2 switches and links contained in the new design. What is the benefit of using RSTP rather than STP in this situation?
Redundant links are not blocked.
Routing tables converge more quickly.
* Spanning Tree convergence times are reduced.
Fewer redundant links are required to maintain connectivity.
3. A NetworkingCompany engineer is on a support call resolving technical problems for a client network. After the issue is resolved, the engineer also provides a training session for the network support staff. What role is the engineer filling on the networking company team?
* post-sales field engineer
pre-sales engineer
network designer
account manager
4. What is a function that is associated with the access layer in a hierarchically designed network?
performs routing and packet manipulation
supplies redundancy and failover protection
provides a high-speed, low-latency backbone
* serves as a network connection point for IP telephony devices
5. A company has help desk staff that is not highly trained in VPNs. What two features or technologies must the network designer identify as training needs in order for the help desk to support secure remote access for teleworkers? (Choose two.)
QoS operation
VLAN configuration
* tunneling protocols
IPv6 and IPv4 dual stack
* encryption algorithms
Frame Relay configuration
6. A network designer has chosen to specify the use of a dedicated firewall appliance at the perimeter of a large network. Why would the designer use a dedicated firewall rather than using the Cisco IOS firewall feature set on the existing router?
Traffic filtering is needed on the internal LAN.
Multiple levels of access to the network are needed.
The DMZ requires packet filtering and port blocking.
* Heavy network traffic will be handled best by using a dedicated device.
7. What type of ACL permits outbound traffic, but permits inbound traffic only if it is a response to the traffic that is initiated from inside the network?
dynamic
* reflexive
standard
extended
time-based
8. The network infrastructure at the headquarters of an organization consists of Cisco network devices that are running RIPv1. As part of an upgrade project, a portion of the company backbone will be increased to 10 Gb/s and needs to support unequal cost load balancing between routers. The IP addressing scheme is also changing and needs to support VLSM and CIDR. Which routing protocol should be selected for the network?
BGP
*EIGRP
OSPF
RIPv2
9. At the distribution layer of a hierarchical network, what are two advantages of using Layer 3 devices instead of Layer 2 switches? (Choose two.)
provides reliable connectivity to end users
creates fewer IP subnets to configure and manage
reduces the number of redundant links required
* provides connectivity between different VLANs
* enables traffic filtering based on subnet addresses
10. A company uses the Frame Relay network to establish a VPN connection between headquarters and the branch office. The company wants to add a backup link in case the Frame Relay connection fails. The backup link will use the business DSL connection through another ISP. How should the router be configured to include the backup link?
Create a static route with the administrative distance of 1.
*Create a floating static route.
Add a new route to the routing protocol configuration.
Create a second default route for the backup path.
11. A WIC-1T module needs to be installed in a Cisco 1841 router that currently has a WIC-2T module in slot 0. What should the network technician do first?
Install the hot-swappable option module.
* Turn off the power to the router before installing the new module.
Remove the WIC-2T module so that the new module can be installed in slot 0.
Shut down all Fast Ethernet ports on the router until the new WIC module installation is complete.
Configure the Cisco IOS software to support an internal trunk link between the two WIC modules.
12. Which two pieces of information are needed before an IOS image may be loaded on a router from a TFTP server? (Choose two.)
* the IP address of the TFTP server
the current name of the IOS image on the router
the operating system of the TFTP server
the name of the configuration file in NVRAM
* the name of the IOS image on the TFTP server
encapsulation of the router interface that is connected to the TFTP server
13. As part of network monitoring, a network administrator receives an alert that the CPU usage of the core router reaches 90% several times a day. Which protocol is in use to monitor the network performance?
DNS
* SNMP
SMTP
DHCP
TFTP
14. If a router is unable to find a suitable IOS to load into RAM, in what mode does the boot process end?
setup mode
user mode
* rommon mode
privileged mode
15. Refer to the exhibit. What is an accurate description of the first neighbor that is displayed in the output?
24 port 2950 switch with a non-default native VLAN
*24 port 2950 switch that is connected to Fa0/0 on Router1
24 port 2950 switch that is assigned to the administrator-defined VTP domain
24 port 2950 switch with interface GigabitEthernet0/1 that is operating at 1000 Mb/s
16. How should a network engineer determine if a router module is hot-swappable?
Insert the module with the power on, then check to see if the associated LED is lit.
* Check the router and interface module data sheets on CCO to determine hot-swappability.
Insert the module with the power on, then issue the show running-config command to verify that all new interfaces are recognized.
Power off the router, insert the module, then verify new interfaces using the show running-config command after powering up.
17. Refer to the exhibit. The network administrator has used the Cisco Feature Navigator to choose a Cisco IOS image to install on a router. Given the exhibited output of the show version command, which statement is true about the capacity of the router to use this Cisco IOS image?
There is enough DRAM and flash.
There is not enough DRAM and flash.
There is enough DRAM but not enough flash.
* There is not enough DRAM but enough flash.
18. What functionality does NBAR provide to network technicians?
provides data which can be used to create a network diagram
allows for monitoring and managing network devices
*allows for classification and monitoring of network traffic
displays the IOS versions and IP addresses on neighboring devices
19. In a converged network, which two types of traffic would be categorized as real-time traffic? (Choose two.)
e-mail
file transfer
web browsing
* videoconferencing
* voice over IP
video on demand
20. What is a characteristic of FTP traffic flows?
low-volume traffic
predictable bandwidth usage
*large packet sizes for transfers
low throughput with high response-time requirements
21. What supports the ability of streaming video to be sent to a group of viewers simultaneously without congesting the entire network?
traffic queues
* multicast
multiple Layer 4 sessions
high priority from QoS
22. Refer to the exhibit. The routers are configured with RIPv2 with default configurations. When attempting to communicate with other networks, hosts from 172.16.2.0/24 are experiencing connectivity issues. What could be done to resolve this issue?
Change to a public IP address scheme.
* Disable automatic route summarization.
Change the IP network address on R3 Fa0/0 to 172.16.1.128 /26.
Change the subnet mask on the link between R2 and R3 to 255.255.255.0.
23. A network engineer is prototyping a new IP addressing and summarization strategy for a new network that will be integrated into the existing infrastructure. Which method is appropriate for testing the addressing scheme?
using the production network of the customer
using actual network equipment in a lab
using the Cisco Network Assistant
* using a network simulation tool
24. Refer to the exhibit. A customer has a problem with connectivity in the network. Based on the IP addressing scheme, what is causing the problem?
The WAN links need IP addresses from a different major network.
* The WAN link that connects R1 to R2 overlaps with the R3 LAN.
The WAN links that connect R1 to R3 and R1 to R2 have incorrect masks.
The R1 LAN is incorrect because subnet zero cannot be used with VLSM.
25. Refer to the exhibit. A new host needs to be connected to the switch and be assigned to VLAN 2. Router RA is attached to the switch via a trunk and is configured as shown. What IP address should be assigned to this new host?
192.168.1.1 /26
192.168.1.22 /28
192.168.1.32 /28
* 192.168.1.44 /28
192.168.1.47 /28
192.168.1.55 /28
26. Which two processes allow a smooth transition from IPv4 to IPv6? (Choose two.)
IPSec
* tunneling
* dual stack
authentication
anycast addressing
header simplification
27. Which two statements are true about the enhancements IPv6 has over IPv4? (Choose two.)
*IPv6 does not support broadcasts.
*IPv6 uses a simplified header structure.
IPv6 does not require private addresses.
IPv6 uses fixed length address strings.
IPsec for IPv6 is not compatible with IPsec for IPv4.
28. Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit?
The commands overwrite the existing Managers ACL.
* The commands are added at the end of the existing Managers ACL.
The commands are added at the beginning of the existing Managers ACL.
The network administrator receives an error that states that the ACL already exists.
29. Refer to the exhibit. Following a test plan, the network systems engineer completes the configuration of an access layer switch and connects three PCs. The engineer attempts to ping from each PC to the other connected PCs to test the configuration. Which statement describes the result of the last step?
Host 1 can ping Host 2.
* Host 1 can ping Host 3.
Host 2 can ping Host 3.
No hosts can ping any other host.
30. Refer to the exhibit. A network administrator is configuring a new router to provide routing between VLANs. The administrator removes the router from the box and connects the Fa0/0 interface to a trunking port on the switch. After the configuration is applied to the router, as shown in the exhibit, the traffic between VLANs fails. What is causing this to occur?
The R1 router needs a routing protocol configured.
* The subinterfaces of the R1 router should have IP addresses applied.
The R1 router needs three additional Fast Ethernet interfaces installed.
The subinterfaces of the R1 router should be configured in the same VLAN.
31. During prototype testing, the network designer performs a test to determine the ability of the network to recover from a link or device failure. Which design goal is validated if the test is a success?
scalability
manageability
* availability
security
32. A network administrator of a middle-sized company is asked to upgrade the routing protocol of the network to support VLSM and route summarization. The current company network contains both Cisco and non-Cisco routers. Which routing protocol should be used for the upgrade?
BGP
RIPv1
* RIPv2
EIGRP
33. Refer to the exhibit. What is the spanning-tree role of all the enabled interfaces of SW11?
alternate
backup
* designated
root
34. Refer to the exhibit. An extended ACL has been created to deny traffic from the 192.168.35.0/24 network to the web server with IP address 209.165.201.15. According to Cisco best practices, where should the ACL be applied?
* RTB Fa0/0 inbound
RTC S0/0/1 inbound
RTD Fa0/0 outbound
RTC S0/1/0 outbound
35. A user in a large office calls technical support to complain that a PC has suddenly lost connectivity to the network. The technician asks the caller to talk to nearby users to see if other machines are affected. The caller reports that several immediate neighbors in the same department have a similar problem and that they cannot ping each other. Those who are seated in other departments have connectivity. What should the technician check as the first step in troubleshooting the issue?
the power outlet to the PC that is used by the caller.
the trunks between switches in the wiring closet.
* the status of the departmental workgroup switch in the wiring closet.
the cable that connects the PC of the caller to the network jack.
the cable connection between a PC and a network outlet that is used by a neighbor.
36. During prototype testing, a LAN switch fails. As the switch re-initializes using the default parameters, a port that has a PC attached transitions to the forwarding state within one second. What protocol would support this feature?
STP
RIP
BGP
VTP
* RSTP
37. Refer to the exhibit. A networking company designer is reviewing a diagram of a customer network. What are the two problems that need to be resolved in the topology that is shown? (Choose two.)
* The firewall router and ISP connection represent a single point of failure.
If one of the Layer 3 switches fails, the Cisco Call Manager will be unreachable.
* A power supply failure of the server block switch will cause the entire IP telephony system to fail.
Using Layer 3 switches to interconnect the server block servers to the IP phones introduces too much delay.
The IP phones need to be redundantly connected to the switches to prevent single points of failure at the access layer.
38. Refer to the exhibit. A technician at the ISP site asks the network administrator at the client site to change the CHAP password as part of the routing security maintenance. After the administrator makes the change and reboots the router, the technician issues a show interfaces serial 0/0/0 command. According to the output, what can be concluded about the serial connection between the client site and ISP site?
The router at the client site is still in the process of rebooting.
*The administrator probably configured the wrong password.
The administrator has not issued a no shut command on the serial interface.
The administrator probably configured the wrong IP address for the serial interface.
39. Refer to the exhibit. Based on the EIGRP configuration that is shown, what can the field engineer conclude about the EIGRP authentication between RouterA and RouterB?
Authentication will fail because only one key is configured.
Authentication will fail because the key chain names do not match.
* Authentication will succeed and EIGRP updates can be exchanged.
Authentication will fail because the key chain names must match the router names.
40. A network administrator has configured Frame Relay on a serial interface and issued the show interfaces serial command. The output shows that the interface is up and the line protocol is up. However, pings to the remote router across the link fail. What should the next step be to ensure that the IP address of the remote router appears in the Frame Relay map table of the local router?
Configure the router using the no inverse-arp command.
Ensure that the LMI type is correct for the circuit.
*Configure the router using the frame-relay map ip command.
Verify that the remote router has Frame Relay encapsulation enabled.
41. Refer to the exhibit. A pre-sales systems engineer receives a diagram of the exhibited WAN implementation from a customer. EIGRP is the routing protocol that is used on the WAN. None of the parameters for EIGRP metric calculation have been modified in any router configurations. Which statement is true about the routing table on router RM?
There is a single route to the 192.168.24.0/24 LAN using the T1 connection.
There is a single route to the 192.168.24.0/24 LAN using the DSL connection.
* There is a single route to the 192.168.24.0/24 LAN using the Metro Ethernet connection.
EIGRP installs all three routes to the 192.168.24.0/24 LAN and load balances the traffic.
42. A company establishes a Frame Relay connection between corporate headquarters and a branch office. The CIR for the connection is set at 4 Mb/s. Which statement is true about this WAN connection?
The company will not be able to send data faster than 4 Mb/s.
* If the company sends data faster than 4 Mb/s, some of the data frames will be flagged with a DE bit.
If the company sends data faster than 4 Mb/s, the TSP will change the CIR to zero.
When the company sends data faster than 4 Mb/s, the Frame Relay switch will set the BECN bit to 1 on the frames that are headed to the company.
43.What are two accurate descriptors of a DLCI? (Choose two.)
* Frame Relay Layer 2 address
one DLCI allowed per local loop
* locally significant circuit endpoint
signaling standard between DTE and DCE
establishes the data transfer rate through a Frame Relay network
44. When implementing a security policy, which two actions should be included as part of the security checklist? (Choose two.)
Disable all logging.
Enable Telnet on TCP port 23.
Use HTTP for web administration.
* Set timeouts and ACLs on VTY lines.
* Shut down any unused ports and interfaces.
45. A company plans to establish Frame Relay connections between corporate headquarters and several branch offices. The network designer recommends using one physical interface on the edge router to support the new Frame Relay connections. The company currently uses RIPv2 for routing and plans no changes to the RIPv2 configuration. What should be done to ensure that each branch office link is a separate subnet and that routing updates are successful between corporate headquarters and the branch offices?
Configure multipoint subinterfaces on the physical interface.
* Configure point-to-point subinterfaces on the physical interface.
Configure a single subinterface to establish multiple PVC connections.
Configure the physical interface to share one DLCI to multiple remote sites and their connections.
46. A company has branch offices at several locations across the country. Which security implementation would provide a cost-effective, secure, and authenticated connection to centralized internal resources that are located at company headquarters, without requiring configuration for individual employees at the branch offices?
leased line with PPP authentication
* site-to-site VPN
access control list
remote-access VPN
47. A bank is planning to add a secure, authenticated WAN connection to a rural branch office. The connection must provide bandwidth of up to 10 Mb/s with QoS supporting VoIP. Which WAN connection type should the network designer recommend?
DSL
ISDN
* leased line
Frame Relay
48. What Cisco VPN solution allows for simple configuration of VPNs on the laptops of remote and mobile employees?
EasyVPN Server
* EasyVPN Remote
EasyVPN Client
EasyVPN Remote-Access
49. Which two technologies can provide data integrity in a VPN connection? (Choose two.)
ESP
DES
* MD5
DH1
* SHA-1
1. What can be broadcast over the wireless network to help a user connect to the network and use wireless services?
* SSID
WEP keys
VLAN parameters
WPA encryption keys
VPN authentication information
2. The network designer recommends using RSTP in the design of a new data center. There are multiple redundant Layer 2 switches and links contained in the new design. What is the benefit of using RSTP rather than STP in this situation?
Redundant links are not blocked.
Routing tables converge more quickly.
* Spanning Tree convergence times are reduced.
Fewer redundant links are required to maintain connectivity.
3. A NetworkingCompany engineer is on a support call resolving technical problems for a client network. After the issue is resolved, the engineer also provides a training session for the network support staff. What role is the engineer filling on the networking company team?
* post-sales field engineer
pre-sales engineer
network designer
account manager
4. What is a function that is associated with the access layer in a hierarchically designed network?
performs routing and packet manipulation
supplies redundancy and failover protection
provides a high-speed, low-latency backbone
* serves as a network connection point for IP telephony devices
5. A company has help desk staff that is not highly trained in VPNs. What two features or technologies must the network designer identify as training needs in order for the help desk to support secure remote access for teleworkers? (Choose two.)
QoS operation
VLAN configuration
* tunneling protocols
IPv6 and IPv4 dual stack
* encryption algorithms
Frame Relay configuration
6. A network designer has chosen to specify the use of a dedicated firewall appliance at the perimeter of a large network. Why would the designer use a dedicated firewall rather than using the Cisco IOS firewall feature set on the existing router?
Traffic filtering is needed on the internal LAN.
Multiple levels of access to the network are needed.
The DMZ requires packet filtering and port blocking.
* Heavy network traffic will be handled best by using a dedicated device.
7. What type of ACL permits outbound traffic, but permits inbound traffic only if it is a response to the traffic that is initiated from inside the network?
dynamic
* reflexive
standard
extended
time-based
8. The network infrastructure at the headquarters of an organization consists of Cisco network devices that are running RIPv1. As part of an upgrade project, a portion of the company backbone will be increased to 10 Gb/s and needs to support unequal cost load balancing between routers. The IP addressing scheme is also changing and needs to support VLSM and CIDR. Which routing protocol should be selected for the network?
BGP
*EIGRP
OSPF
RIPv2
9. At the distribution layer of a hierarchical network, what are two advantages of using Layer 3 devices instead of Layer 2 switches? (Choose two.)
provides reliable connectivity to end users
creates fewer IP subnets to configure and manage
reduces the number of redundant links required
* provides connectivity between different VLANs
* enables traffic filtering based on subnet addresses
10. A company uses the Frame Relay network to establish a VPN connection between headquarters and the branch office. The company wants to add a backup link in case the Frame Relay connection fails. The backup link will use the business DSL connection through another ISP. How should the router be configured to include the backup link?
Create a static route with the administrative distance of 1.
*Create a floating static route.
Add a new route to the routing protocol configuration.
Create a second default route for the backup path.
11. A WIC-1T module needs to be installed in a Cisco 1841 router that currently has a WIC-2T module in slot 0. What should the network technician do first?
Install the hot-swappable option module.
* Turn off the power to the router before installing the new module.
Remove the WIC-2T module so that the new module can be installed in slot 0.
Shut down all Fast Ethernet ports on the router until the new WIC module installation is complete.
Configure the Cisco IOS software to support an internal trunk link between the two WIC modules.
12. Which two pieces of information are needed before an IOS image may be loaded on a router from a TFTP server? (Choose two.)
* the IP address of the TFTP server
the current name of the IOS image on the router
the operating system of the TFTP server
the name of the configuration file in NVRAM
* the name of the IOS image on the TFTP server
encapsulation of the router interface that is connected to the TFTP server
13. As part of network monitoring, a network administrator receives an alert that the CPU usage of the core router reaches 90% several times a day. Which protocol is in use to monitor the network performance?
DNS
* SNMP
SMTP
DHCP
TFTP
14. If a router is unable to find a suitable IOS to load into RAM, in what mode does the boot process end?
setup mode
user mode
* rommon mode
privileged mode
15. Refer to the exhibit. What is an accurate description of the first neighbor that is displayed in the output?
24 port 2950 switch with a non-default native VLAN
*24 port 2950 switch that is connected to Fa0/0 on Router1
24 port 2950 switch that is assigned to the administrator-defined VTP domain
24 port 2950 switch with interface GigabitEthernet0/1 that is operating at 1000 Mb/s
16. How should a network engineer determine if a router module is hot-swappable?
Insert the module with the power on, then check to see if the associated LED is lit.
* Check the router and interface module data sheets on CCO to determine hot-swappability.
Insert the module with the power on, then issue the show running-config command to verify that all new interfaces are recognized.
Power off the router, insert the module, then verify new interfaces using the show running-config command after powering up.
17. Refer to the exhibit. The network administrator has used the Cisco Feature Navigator to choose a Cisco IOS image to install on a router. Given the exhibited output of the show version command, which statement is true about the capacity of the router to use this Cisco IOS image?
There is enough DRAM and flash.
There is not enough DRAM and flash.
There is enough DRAM but not enough flash.
* There is not enough DRAM but enough flash.
18. What functionality does NBAR provide to network technicians?
provides data which can be used to create a network diagram
allows for monitoring and managing network devices
*allows for classification and monitoring of network traffic
displays the IOS versions and IP addresses on neighboring devices
19. In a converged network, which two types of traffic would be categorized as real-time traffic? (Choose two.)
file transfer
web browsing
* videoconferencing
* voice over IP
video on demand
20. What is a characteristic of FTP traffic flows?
low-volume traffic
predictable bandwidth usage
*large packet sizes for transfers
low throughput with high response-time requirements
21. What supports the ability of streaming video to be sent to a group of viewers simultaneously without congesting the entire network?
traffic queues
* multicast
multiple Layer 4 sessions
high priority from QoS
22. Refer to the exhibit. The routers are configured with RIPv2 with default configurations. When attempting to communicate with other networks, hosts from 172.16.2.0/24 are experiencing connectivity issues. What could be done to resolve this issue?
Change to a public IP address scheme.
* Disable automatic route summarization.
Change the IP network address on R3 Fa0/0 to 172.16.1.128 /26.
Change the subnet mask on the link between R2 and R3 to 255.255.255.0.
23. A network engineer is prototyping a new IP addressing and summarization strategy for a new network that will be integrated into the existing infrastructure. Which method is appropriate for testing the addressing scheme?
using the production network of the customer
using actual network equipment in a lab
using the Cisco Network Assistant
* using a network simulation tool
24. Refer to the exhibit. A customer has a problem with connectivity in the network. Based on the IP addressing scheme, what is causing the problem?
The WAN links need IP addresses from a different major network.
* The WAN link that connects R1 to R2 overlaps with the R3 LAN.
The WAN links that connect R1 to R3 and R1 to R2 have incorrect masks.
The R1 LAN is incorrect because subnet zero cannot be used with VLSM.
25. Refer to the exhibit. A new host needs to be connected to the switch and be assigned to VLAN 2. Router RA is attached to the switch via a trunk and is configured as shown. What IP address should be assigned to this new host?
192.168.1.1 /26
192.168.1.22 /28
192.168.1.32 /28
* 192.168.1.44 /28
192.168.1.47 /28
192.168.1.55 /28
26. Which two processes allow a smooth transition from IPv4 to IPv6? (Choose two.)
IPSec
* tunneling
* dual stack
authentication
anycast addressing
header simplification
27. Which two statements are true about the enhancements IPv6 has over IPv4? (Choose two.)
*IPv6 does not support broadcasts.
*IPv6 uses a simplified header structure.
IPv6 does not require private addresses.
IPv6 uses fixed length address strings.
IPsec for IPv6 is not compatible with IPsec for IPv4.
28. Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit?
The commands overwrite the existing Managers ACL.
* The commands are added at the end of the existing Managers ACL.
The commands are added at the beginning of the existing Managers ACL.
The network administrator receives an error that states that the ACL already exists.
29. Refer to the exhibit. Following a test plan, the network systems engineer completes the configuration of an access layer switch and connects three PCs. The engineer attempts to ping from each PC to the other connected PCs to test the configuration. Which statement describes the result of the last step?
Host 1 can ping Host 2.
* Host 1 can ping Host 3.
Host 2 can ping Host 3.
No hosts can ping any other host.
30. Refer to the exhibit. A network administrator is configuring a new router to provide routing between VLANs. The administrator removes the router from the box and connects the Fa0/0 interface to a trunking port on the switch. After the configuration is applied to the router, as shown in the exhibit, the traffic between VLANs fails. What is causing this to occur?
The R1 router needs a routing protocol configured.
* The subinterfaces of the R1 router should have IP addresses applied.
The R1 router needs three additional Fast Ethernet interfaces installed.
The subinterfaces of the R1 router should be configured in the same VLAN.
31. During prototype testing, the network designer performs a test to determine the ability of the network to recover from a link or device failure. Which design goal is validated if the test is a success?
scalability
manageability
* availability
security
32. A network administrator of a middle-sized company is asked to upgrade the routing protocol of the network to support VLSM and route summarization. The current company network contains both Cisco and non-Cisco routers. Which routing protocol should be used for the upgrade?
BGP
RIPv1
* RIPv2
EIGRP
33. Refer to the exhibit. What is the spanning-tree role of all the enabled interfaces of SW11?
alternate
backup
* designated
root
34. Refer to the exhibit. An extended ACL has been created to deny traffic from the 192.168.35.0/24 network to the web server with IP address 209.165.201.15. According to Cisco best practices, where should the ACL be applied?
* RTB Fa0/0 inbound
RTC S0/0/1 inbound
RTD Fa0/0 outbound
RTC S0/1/0 outbound
35. A user in a large office calls technical support to complain that a PC has suddenly lost connectivity to the network. The technician asks the caller to talk to nearby users to see if other machines are affected. The caller reports that several immediate neighbors in the same department have a similar problem and that they cannot ping each other. Those who are seated in other departments have connectivity. What should the technician check as the first step in troubleshooting the issue?
the power outlet to the PC that is used by the caller.
the trunks between switches in the wiring closet.
* the status of the departmental workgroup switch in the wiring closet.
the cable that connects the PC of the caller to the network jack.
the cable connection between a PC and a network outlet that is used by a neighbor.
36. During prototype testing, a LAN switch fails. As the switch re-initializes using the default parameters, a port that has a PC attached transitions to the forwarding state within one second. What protocol would support this feature?
STP
RIP
BGP
VTP
* RSTP
37. Refer to the exhibit. A networking company designer is reviewing a diagram of a customer network. What are the two problems that need to be resolved in the topology that is shown? (Choose two.)
* The firewall router and ISP connection represent a single point of failure.
If one of the Layer 3 switches fails, the Cisco Call Manager will be unreachable.
* A power supply failure of the server block switch will cause the entire IP telephony system to fail.
Using Layer 3 switches to interconnect the server block servers to the IP phones introduces too much delay.
The IP phones need to be redundantly connected to the switches to prevent single points of failure at the access layer.
38. Refer to the exhibit. A technician at the ISP site asks the network administrator at the client site to change the CHAP password as part of the routing security maintenance. After the administrator makes the change and reboots the router, the technician issues a show interfaces serial 0/0/0 command. According to the output, what can be concluded about the serial connection between the client site and ISP site?
The router at the client site is still in the process of rebooting.
*The administrator probably configured the wrong password.
The administrator has not issued a no shut command on the serial interface.
The administrator probably configured the wrong IP address for the serial interface.
39. Refer to the exhibit. Based on the EIGRP configuration that is shown, what can the field engineer conclude about the EIGRP authentication between RouterA and RouterB?
Authentication will fail because only one key is configured.
Authentication will fail because the key chain names do not match.
* Authentication will succeed and EIGRP updates can be exchanged.
Authentication will fail because the key chain names must match the router names.
40. A network administrator has configured Frame Relay on a serial interface and issued the show interfaces serial command. The output shows that the interface is up and the line protocol is up. However, pings to the remote router across the link fail. What should the next step be to ensure that the IP address of the remote router appears in the Frame Relay map table of the local router?
Configure the router using the no inverse-arp command.
Ensure that the LMI type is correct for the circuit.
*Configure the router using the frame-relay map ip command.
Verify that the remote router has Frame Relay encapsulation enabled.
41. Refer to the exhibit. A pre-sales systems engineer receives a diagram of the exhibited WAN implementation from a customer. EIGRP is the routing protocol that is used on the WAN. None of the parameters for EIGRP metric calculation have been modified in any router configurations. Which statement is true about the routing table on router RM?
There is a single route to the 192.168.24.0/24 LAN using the T1 connection.
There is a single route to the 192.168.24.0/24 LAN using the DSL connection.
* There is a single route to the 192.168.24.0/24 LAN using the Metro Ethernet connection.
EIGRP installs all three routes to the 192.168.24.0/24 LAN and load balances the traffic.
42. A company establishes a Frame Relay connection between corporate headquarters and a branch office. The CIR for the connection is set at 4 Mb/s. Which statement is true about this WAN connection?
The company will not be able to send data faster than 4 Mb/s.
* If the company sends data faster than 4 Mb/s, some of the data frames will be flagged with a DE bit.
If the company sends data faster than 4 Mb/s, the TSP will change the CIR to zero.
When the company sends data faster than 4 Mb/s, the Frame Relay switch will set the BECN bit to 1 on the frames that are headed to the company.
43.What are two accurate descriptors of a DLCI? (Choose two.)
* Frame Relay Layer 2 address
one DLCI allowed per local loop
* locally significant circuit endpoint
signaling standard between DTE and DCE
establishes the data transfer rate through a Frame Relay network
44. When implementing a security policy, which two actions should be included as part of the security checklist? (Choose two.)
Disable all logging.
Enable Telnet on TCP port 23.
Use HTTP for web administration.
* Set timeouts and ACLs on VTY lines.
* Shut down any unused ports and interfaces.
45. A company plans to establish Frame Relay connections between corporate headquarters and several branch offices. The network designer recommends using one physical interface on the edge router to support the new Frame Relay connections. The company currently uses RIPv2 for routing and plans no changes to the RIPv2 configuration. What should be done to ensure that each branch office link is a separate subnet and that routing updates are successful between corporate headquarters and the branch offices?
Configure multipoint subinterfaces on the physical interface.
* Configure point-to-point subinterfaces on the physical interface.
Configure a single subinterface to establish multiple PVC connections.
Configure the physical interface to share one DLCI to multiple remote sites and their connections.
46. A company has branch offices at several locations across the country. Which security implementation would provide a cost-effective, secure, and authenticated connection to centralized internal resources that are located at company headquarters, without requiring configuration for individual employees at the branch offices?
leased line with PPP authentication
* site-to-site VPN
access control list
remote-access VPN
47. A bank is planning to add a secure, authenticated WAN connection to a rural branch office. The connection must provide bandwidth of up to 10 Mb/s with QoS supporting VoIP. Which WAN connection type should the network designer recommend?
DSL
ISDN
* leased line
Frame Relay
48. What Cisco VPN solution allows for simple configuration of VPNs on the laptops of remote and mobile employees?
EasyVPN Server
* EasyVPN Remote
EasyVPN Client
EasyVPN Remote-Access
49. Which two technologies can provide data integrity in a VPN connection? (Choose two.)
ESP
DES
* MD5
DH1
* SHA-1
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