Senin, 17 Januari 2011

CCNA1 MODUL 1

1. Applications can be grouped into general use software or industry specific software. What are two examples of industry specific software? (Choose two.)
*an educational tool
presentation
spreadsheet
word processing
*medical practice management software
database management

2. What characteristic of word processing software would make it a local application?
The application is shared between users.
*The software is stored on the local hard drive.
The software is accessible through a web page.
The software has the ability to manipulate text and graphics.

3. Which three terms describe different types of computers? (Choose three.)
operating system
network
*laptop
*desktop
Windows
*mainframe

4. What are two benefits of connecting a laptop computer to a docking station? (Choose two.)
Mobility is increased.
Less power is required.
*An external monitor can be used.
More wireless security options are available.
*Alternate connectivity options may be available.

5. Why do servers often contain duplicate or redundant parts?
Servers require more power and thus require more components.
*Servers should be accessible at all times.
Servers can be designed as standalone towers or rack mounted.
Servers are required by networking standards to have duplicate parts.

6. What measurement is commonly associated with computer processing speed?
bits
pixels
*hertz
bytes

7. What are two advantages of purchasing a preassembled computer? (Choose two.)
*usually a lower cost
exact components may be specified
extended waiting period for assembly
*adequate for performing most general applications
suited for customers with special needs

8. A user plans to run multiple applications simultaneously on a computer. Which computer component is essential to accomplish this?
*RAM
NIC
video card
sound card
storage device

9. Which adapter enables a computer system to exchange information with other systems on a local network?
video card
sound card
modem card
*network interface card

10. What is the main storage drive used by servers, desktops, and laptops?
tape drive
*hard drive
optical drive (DVD)
floppy disk drive

11. Which component is designed to remove high-voltage spikes and surges from a power line so that they do not damage a computer system?
CPU
*surge suppressor
motherboard
hard drive

12. What two functions does a UPS provide that a surge protector does not? (Choose two.)
It protects the computer from voltage surges.
*It provides backup power from an internal battery.
It protects the computer from sudden voltage spikes.
It gives the user time to phone the electrical company.
*It gives the user time to safely shut down the computer if the power fails.
It provides backup power through a generator provided by the wall outlet.

13. Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine?
RAM
*CPU
video card
sound card
operating system

14. What can be used to prevent electrostatic discharge (ESD)?
dry and non humid conditions
carpeted floor
*grounding strap
uncluttered work space

15. Because of the potentially dangerous voltage levels, which two devices should you not open unless you have been specifically trained to work on them? (Choose two.)
mouse
printer
*monitor
keyboard
hard drive
*power supply

16. In newer operating systems, how are system resources assigned by default when components are installed?
manually assigned by the operating system
manually assigned by the administrator
statically assigned by the component to a preset resource
*dynamically assigned between the component and the operating system

17. A user reports that a peripheral device that was installed correctly last week has not been functioning since the PC was booted today. All other PC functions are working properly. What are three things a service technician should do to solve the problem? (Choose three.)
*Use the testing functionality on the peripheral itself, if available.
*Verify that all cables are connected properly.
Disconnect all cables connected to the computer except those connected to the peripheral.
*Ensure that the peripheral is powered on.
Disconnect the peripheral and verify that the computer is operating normally.
Reload the computer operating system.

18. Which two steps should be performed when installing a peripheral device? (Choose two.)
*Download and install the most current driver.
Connect the peripheral using any cable and any available port on the computer.
*Connect the peripheral using an appropriate cable or wireless connection.
Test the peripheral on another machine before installing it on the one where it will be used.
Check the computer documentation to see if the peripheral vendor is compatible with the PC vendor.

19. How is a server different from a workstation computer?
The server works as a standalone computer.
*The server provides services to clients.
The workstation has fewer applications installed.
The workstation has more users who attach to it.
FINAL CCNA2 VERSI 3

1. What is a characteristic of a scalable network?
100% uptime
redundant links
*easy expansion
multiple backup devices

2. In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?
*destination network address
source network address
source MAC address
well known port destination address

3. When a router learns two paths to the same destination network, which two factors determine the path that will be included in the routing table? (Choose two.)
*route metric
the MAC address of the neighboring router
the source IP address in data packets
the IP address of the next hop router
*administrative distance

4. What needs to be configured on a router to ensure that when the router receives a packet with an unknown destination, the router will forward it to the next hop?
*a default route
a directly connected route
a dynamically updated route
a static route to the destination network

5. What routing protocol would be appropriate to use for exchanging routes between ISPs?
RIPv2
*BGP
OSPF
EIGRP

6. Wireless radio waves are associated with which layer of the OSI model?
*Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Layer 7

7. What happens when a segment is encapsulated into a packet?
Data is converted to bits for transmission.
The destination port number is specified.
*A header with logical addresses is added.
A session with a destination is established.

8. Refer to the exhibit. Hosts that belong to the IT department use 10.10.55.33/27 as a default gateway. Where can this IP address be located in the network?
A
B
C
*D
E
F

9. A network administrator wants to configure six subnets for a Class C network. Which subnet mask will support the maximum number of hosts on each subnet?
255.255.255.248
255.255.255.240
*255.255.255.224
255.255.255.192

10. Which two subnet masks can be used when subnetting a Class A IP address? (Choose two.)
255.0.0.0
240.0.0.0
224.0.0.0
*255.255.0.0
*255.255.255.0

11. A user is attempting to do an http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)
*DNS server
WINS server
HTTP server
*default gateway
Netbios

12. Refer to the exhibit. What two addresses are the broadcast addresses for network A and network B? (Choose two.)
Network A broadcast address 192.168.1.32
*Network A broadcast address 192.168.1.47
Network A broadcast address 192.168.1.15
*Network B broadcast address 192.168.1.207
Network B broadcast address 192.168.1.240
Network B broadcast address 192.168.1.192

13. Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?
*There is a misconfiguration of IP addresses.
There is a mismatch of encapsulation methods.
The no shutdown command should be issued on R2.
The routing protocols are not compatible.

14. Refer to the exhibit. Host H1 is sending a datagram to host H2 across the Internet. NAT will be configured on RTRC. Which address is considered the inside local address?
10.1.1.1
*10.1.1.6
209.165.201.2
209.165.201.17
209.165.200.226

15. Refer to the exhibit. What two facts can be determined from the output of the show ip protocols command? (Choose two.)
*The routing protocol in use on RTA is RIPv1.
RTA is directly connected to four neighbor routers.
*The administrative distance of the routing protocol is 120.
RTA will receive the next update from its neighbor in 30 seconds.
The routing protocol is only sending updates out the serial interface.

16. How does a switch interface that uses sticky port security handle MAC addresses?
The addresses are configured manually and are saved in the running configuration.
They are configured manually and are not saved in the running configuration.
*They are configured dynamically and are saved in the running configuration.
They are configured dynamically and are not saved in the running configuration.

17. Which statement best describes the operation of a Layer 2 switch?
functions at the network layer of the OSI model
forwards traffic from one local IP network to another
*directs traffic from one port to another based on the destination MAC address
dynamically creates a forwarding table that maps IP addresses to MAC addresses

18. To manage a Cisco switch using Telnet, where would the management IP address be configured on the switch?
*VLAN 1 interface
first vty port
first trunk port
console port
FastEthernet 0/1 interface

19. Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B can be reached. What two events will occur if this command is successful? (Choose two.)
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
The router will send a TCP acknowledgment message to workstation A.
Workstation B will send a UDP ping reply message to the router.
*Workstation A will send an ICMP echo request message to workstation B.
*Workstation B will send an ICMP echo reply message to workstation A.

20. A tracert command is run on a host to determine if another host can be reached across a network. Which two events will occur if connectivity with the other host is unsuccessful? (Choose two.)
*The command will display all the successful hops a packet makes before it is lost.
The command will calculate the time between successful and unsuccessful packets.
The host on which the command is run will send a UDP request message to the other host.
*The command helps to determine where a packet was lost on the path from the source to the destination.
All hops between the two hosts display !!!!! to signify success.

21. Which protocol allows secure in-band management so that a network administrator can monitor and configure network devices without fear of any passwords being compromised?
*SSH
HTTP
SNMP
Telnet

22. Refer to the exhibit. A network administrator is unable to ping H1 from the router and is checking the cabling along the network. Which segment is incorrectly cabled?
Segment A
Segment B
Segment C
*Segment D

23. When does a router enter the setup mode?
when the Cisco IOS is missing in flash
*when the configuration is missing in NVRAM
when the setup command is run from the user mode
when the boot system command is missing in the configuration

24. Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)
*Router(config)# enable secret cisco
Router(config)# enable cisco
Router(config)# encryption-password all
Router(config)# enable login encrypted
Router(config)# enable password encryption
*Router(config)# service password-encryption

25. What is the effect of issuing the hostname RouterA command on a router?
A description will be configured on the router interfaces identifying them as belonging to RouterA.
The router will attempt to establish a connection to the host with the name RouterA.
The router will map an IP address to the domain name RouterA.
*The router prompt will change from Router(config)# to RouterA(config)#

26. Refer to the exhibit. What is the possible reason that a technician is unable to telnet into the HQ router and make configuration changes?
*A password is required for vty 0.
A password for line con 0 is required.
All five virtual interfaces must be configured before Telnet is possible.
The service password-encryption command is preventing Telnet access.

27. Refer to the exhibit. Which type of link is supported by this interface module?
LAN
*WAN
WLAN
VLAN

28. Refer to the exhibit. While configuring the serial interface of a router, the network administrator sees the highlighted error message. What is the reason for this?
The serial interface is administratively down.
The serial interface is already configured with an IP address.
*The network administrator has attempted to configure the serial interface with a broadcast address.
The same IP address has been configured on another interface.

29. Refer to the exhibit. The network administrator has added a route by using the ip route 10.13.13.0 255.255.255.0 192.168.1.1 command on R1. Hosts on the 10.12.12.0 network cannot communicate with hosts on the 10.13.13.0 network. What is the reason for this?
The gateway of last resort is not set.
The destination prefix mask is incorrectly configured.
The routing protocol has not been configured on R1.
*The static route has not been configured correctly.

30. A network administrator is planning new cable installations for an automated manufacturing facility. The cabling solution must be scalable and function reliably in an environment subject to electromagnetic interference. Which two cable solutions should the administrator consider? (Choose two.)
*STP
UTP
coaxial
*fiber optic
wireless

31. In a structured cable system, which term describes the cable that connects the wall jack in the user work area to the patch panel in the wiring closet?
patch cable
vertical cable
*horizontal cable
backbone cable

32. What should be the first step in a structured cable project?
Locate all sources of EMI.
*Obtain an accurate floor plan.
Identify the network backbone.
Design efficient cable management systems.

33. What can be gained by using a caching-only DNS server?
The DNS server will use more WAN bandwidth.
The DNS server will only answer recursive queries.
The DNS server will be authoritative for only one zone.
*The DNS server will resolve most queries more quickly.

34. Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)
*The data conversation was started by the HTTP application process running on the client.
The data conversation is identified by TCP port 80 on the client.
The user started the data conversation by sending an e-mail.
The IP address of the Internet server is 192.168.17.43.
*The Internet server will send data to port 8547 on the client.

35. Which statement describes a feature of TCP?
It provides low overhead data delivery.
*It acknowledges the receipt of packets.
It does not provide error checking.
It is a connectionless protocol.

36. Which application can be delivered using UDP?
FTP
*DNS
HTTP
SMTP

37. Which statement is correct about passive data connections in the FTP protocol?
The server initiates the data transfer connection.
*The server forwards its IP address and a random port number to the FTP client through the control stream.
The firewalls do not permit passive data connections to hosts that are located within the network.
The client forwards data to port 21 of the server.


38. A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?
an IDS
*an IPS
a host-based firewall
Anti-X software

39. For the assignment of permissions to files and folders, what does the "principle of least privilege" imply?
No user has more privileges than any other user.
Permissions to files are given based on seniority.
*Users only have access to resources that are necessary for their jobs.
Users should be given no access to computer resources until they ask.

40. Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?
branch_23(config-if)# ip address 192.168.5.19 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation hdlc
branch_23(config-if)# ip address 192.168.5.25 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.33 255.255.255.240
*branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown

41. What is the default encapsulation for serial interfaces on Cisco routers?
PPP
SLIP
*HDLC
Frame Relay

42. A large company wants to ensure its connection to a remote branch office. The connection must be able to support equally high upstream and downstream traffic. The service provider must also provide an SLA with a guarantee of specific uptime and security. What type of connection best suits the needs of the company?
DSL connection
cable connection
dialup connection
*point-to-point leased line connection

43. Refer to the exhibit. The Transfer > Capture Text feature available through HyperTerminal has been used to capture the running configuration on a router. The startup-configuration has been erased from the router followed by the issuing of the reload command. The startup-config is restored by using the captured file, but all interfaces on the router are shown as administratively down. What could cause this problem?
The enable password was incorrectly entered.
The configuration register was not set to 0x2142.
The enable secret password was incorrectly entered.
*The no shutdown command must be entered under each interface section in the file being sent.
The captured file should have restored the running configuration not the startup configuration.

44. The IT department of a company implements a backup plan which includes a daily backup on Monday through Saturday. Only files that were modified during each day are backed up. Which backup method is being used?
full backup
normal backup
differential backup
*incremental backup

45. Which statement correctly describes an SLA?
It lists the terms of the agreement between the user and the manufacturer of the system.
*It outlines the management, monitoring, and maintenance of a network.
It specifies the software and hardware configurations of a system.
It describes the operation of a system.
FINAL CCNA2 VERSI 2

1. What is the purpose of the routing process?
to encapsulate data that is used to communicate across a network
*to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses

2. Which service team in an ISP is responsible for determining if the new customer has hardware that will support the new WAN connection and if new WAN circuits need to be installed?
customer service
onsite installation
*planning and provisioning
network operations center

3. Which statement describes a route that has been learned dynamically?
*It is automatically updated and maintained by routing protocols.
It is unaffected by changes in the topology of the network.
It has an administrative distance of 1.
It is identified by the prefix C in the routing table.

4. What needs to be configured on a router to ensure that when the router receives a packet with an unknown destination, the router will forward it to the next hop?
*a default route
a directly connected route
a dynamically updated route
a static route to the destination network

5. Which routing protocol facilitates the exchange of routing information between different autonomous systems?
OSPF
EIGRP
RIP
*BGP

6. Which routing protocol excludes the subnet information from routing updates?
EIGRP
OSPF
*RIPv1
BGP

7. Why is the OSI model useful in network design and assessment?
It combines specific networking tasks into a complex format.
It defines the four lower layers, which standardize applications supported within the model.
It is used during troubleshooting to focus on the entire networking process instead of a single layer.
*It divides networking communications into multiple processes that are smaller and more manageable.


8. Refer to the exhibit. Which three IP addresses could be assigned to the hosts? (Choose three.)
192.168.88.1
192.168.88.8
*192.168.88.9
*192.168.88.12
*192.168.88.14
192.168.88.15
192.168.88.16
192.168.88.18

9. A user is attempting to do an http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)
*DNS server
WINS server
HTTP server
*default gateway
Netbios

10. Refer to the exhibit. The network administrator must set up a network with two subnets. In network A, the network administrator selects the network address 192.168.1.128/26. Which address combination should the administrator select in network B to accommodate the same number of hosts as in network A?
192.168.1.32 255.255.255.128
192.168.1.0 255.255.255.224
*192.168.1.64 255.255.255.192
192.168.1.192 255.255.255.128

11. How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?
30
256
*2046
2048
4094
4096

12. Refer to the exhibit. What two addresses are the broadcast addresses for network A and network B? (Choose two.)
Network A broadcast address 192.168.1.32
*Network A broadcast address 192.168.1.47
Network A broadcast address 192.168.1.15
*Network B broadcast address 192.168.1.207
Network B broadcast address 192.168.1.240
Network B broadcast address 192.168.1.192

13. Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?
*There is a misconfiguration of IP addresses.
There is a mismatch of encapsulation methods.
The no shutdown command should be issued on R2.
The routing protocols are not compatible.

14. What is a feature of PAT?
It maps IP addresses to URLs.
It displays private IP addresses to public networks.
It sends acknowledgments of received packets.
*It allows multiple hosts on a single LAN to share globally unique IP addresses.

15. Refer to the exhibit. The PC tries to ping router B at 192.168.2.2, but the ping fails. What is the problem?
*The address of the PC is on the wrong subnet.
The subnet mask of the PC should be 255.255.255.0.
The default gateway should be 192.168.2.1.
The DNS server is incorrect.

16.The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:

C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1

From which router was this command executed?
A
B
*C
D

17. Refer to the exhibit. R1 and R2 are configured with the commands that are displayed. All interfaces are properly configured, but neither router is receiving routing updates. What two things can be done to solve the problem? (Choose two.)
*Configure the routing protocol on R1 for network 10.0.0.0.
*Configure the routing protocol on R2 for network 10.0.0.0.
Configure the routing protocol on R1 for network 192.168.4.0.
Configure the routing protocol on R1 for network 192.168.2.0.
Configure the routing protocol on R2 for network 192.168.1.0.
Configure the routing protocol on R2 for network 192.168.3.0.

18. Refer to the exhibit. Static routes have been configured on all routers in the network. PC2 can communicate with PC1 but not with PC3. What should be done to remedy the problem?
Reconfigure the first static route with the exit interface S0/0/0.
*Reconfigure the second static route with the exit interface S0/0/1.
Reconfigure the first static route with the next hop address 172.16.3.1.
Reconfigure the second static route with the next hop address 172.16.3.1.

19. Refer to the exhibit. A technician has been assigned to configure RIPv2 as a routing protocol on the network. Users who are connected to the LAN network on router R3 can ping both S0/0/0 and S0/0/1 interfaces on R1 but are not able to ping the LAN network that is attached to R1. What could be the possible cause of the problem?
The version 2 command was not issued when RIP was configured on router R1.
The ip address command was not issued when interfaces S0/0/0 and S0/0/1 were configured on router R1.
The no shutdown command was not issued when interfaces S0/0/0 and S0/0/1 were configured on router R1.
*The network 172.16.10.0 command was not issued when RIP was configured on router R1.
The no auto-summary command is required on router R1.


20. Different hosts connect to the same switch port at different times. If the switch port is configured with dynamic port security, how does it process the MAC addresses?
The addresses are manually assigned with the use of the switchport command.
*The addresses are dynamically learned and stored in the address table.
The addresses are dynamically configured and saved in the running configuration.
The addresses are stored in the address table and added to the running configuration.

21. Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B can be reached. What two events will occur if this command is successful? (Choose two.)
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
The router will send a TCP acknowledgment message to workstation A.
Workstation B will send a UDP ping reply message to the router.
*Workstation A will send an ICMP echo request message to workstation B.
*Workstation B will send an ICMP echo reply message to workstation A.

22. Refer to the exhibit. What two conclusions can be drawn about router RTB? (Choose two.)
The router is connected to a router named Boise.
*Router RTB is connected to a Cisco 1841 router.
Router RTB is directly connected to two other routers.
*The IP address of the router interface that is connected to router RTB is 192.168.2.6.
The RTB router is connected to two Cisco devices by FastEthernet links.

23. If the configuration register is currently set to 0x2102, what is the first action that a router will take after the bootstrap program loads successfully?
*load the IOS from flash
load the IOS from NVRAM
load the IOS from the TFTP server
load the startup configuration file from flash
load the startup configuration file from NVRAM
load the startup configuration file from the TFTP server

24. Refer to the exhibit. A network administrator is unable to ping H1 from the router and is checking the cabling along the network. Which segment is incorrectly cabled?
Segment A
Segment B
Segment C
*Segment D

25. Refer to the exhibit. A user who is connected to RTA is trying to telnet to RTB, but the connection is failing. Based on the output of the show running-config command on router RTB, why is the Telnet session failing?
Telnet has not been configured on the console line.
The login command has not been issued on the console line.
*No password has been configured on the VTY lines.
A session limit has not been configured for Telnet.

26. Refer to the exhibit. What will be the effect of the configuration commands if entered on R2?
In-band management access to R2 is configured.
*The user will be able to console into R2 using the password cisco.
The user will be able to telnet into R2 by using the password cisco.
Secure access to R2 for router management via SSH is configured.

27. An administrator wishes to protect a router by encrypting the console access password noaccess. Which command should be used?
Router(config)# enable secret noaccess
Router(config)# enable password noaccess
Router(config-line)# password noaccess
*Router(config)# service password-encryption

28. Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.)
RTB# ip address 192.168.102.98 255.255.255.248
RTB(config-if)# ip address 192.168.102.99 255.255.255.252
RTB(config)# ip address 192.168.102.97 255.255.255.252
RTB(config)# no shutdown
*RTB(config-if)# no shutdown
*RTB(config-if)# ip address 192.168.102.97 255.255.255.252

29. Refer to the exhibit. While configuring the serial interface of a router, the network administrator sees the highlighted error message. What is the reason for this?
The serial interface is administratively down.
The serial interface is already configured with an IP address.
*The network administrator has attempted to configure the serial interface with a broadcast address.
The same IP address has been configured on another interface.

30. Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?
STP
UTP
coaxial
*fiber optic

31. In a structured cable system, which term describes the cable that connects the wall jack in the user work area to the patch panel in the wiring closet?
patch cable
vertical cable
*horizontal cable
backbone cable

32. What is the maximum unrepeated distance set by industry standards for UTP cable?
10 meters
75 meters
*100 meters
325 meters

33. Which statement is true about the reverse lookup DNS zone?
It is most commonly experienced when users are surfing the Internet.
It is the backup for the forward lookup zone.
It dynamically updates the resource records.
*It resolves an IP address to a fully qualified domain name.

34. Which statement describes a feature of TCP?
It provides low overhead data delivery.
*It acknowledges the receipt of packets.
It does not provide error checking.
It is a connectionless protocol.

35. Which transport layer protocol will allow segments to be exchanged between two hosts with low overhead and no mechanism for retransmission?
IP
FTP
TCP
*UDP
SMTP

36. A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?
FTPS
HTTP
*HTTPS
WEP2
TFTP

37. Which statement is correct about the proxy support that is offered by the HTTP protocol?
It allows clients to make direct network connections to other network services.
*It filters unsuitable web content.
It reduces the speed of the network.
It encrypts the data that is being transmitted.

38. In the URL http://dev.cisco.com/wwwdocs/procedures.htm, what is identified by wwwdocs?
the server name where the resource is located
the protocol that is used for the resource request
the domain name of the server that is being accessed
*the folder where the requested resource is stored

39. A network administrator must access a remote Linux server at the branch office to troubleshoot a web service configuration issue. Which secure protocol would be used?
DNS
FTP
HTTPS
SMTP
*SSH
Telnet

40. When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?
leased line
packet switched
*circuit switched
point-to-point

41. Which technology is used for WAN connections and delivers up to 1.544 Mb/s of symmetrical bandwidth?
DSL
dialup
*T1 line
T3 line

42. Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?
branch_23(config-if)# ip address 192.168.5.19 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation hdlc
branch_23(config-if)# ip address 192.168.5.25 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.33 255.255.255.240
*branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown

43. The command copy tftp running-config has been entered on the router. What will this command do?
copy the configuration in RAM to a server
*copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAM
copy the configuration file in NVRAM to a server
copy the configuration file from a server to NVRAM

44. A company functions from Monday to Friday each week. Their backup strategy calls for full backups each Friday night, with differential backups on all other weekday nights. If an administrator is asked to restore a server hard drive to its Wednesday morning state, how many backups must be used?
1
*2
3
4

45. What is a characteristic of Syslog?
It requires users to prove their identity with the use of a username and password before users can access network resources.
It listens to network traffic and sends an alert to a management station to track which applications are used and the length of time for which they are used.
*It enables devices to send information to a daemon that runs on a management station.
It provides users the rights to access specific resources and perform specific tasks.
FINAL CCNA2 VERSI 1


1. What is a characteristic of a scalable network?
100% uptime
redundant links
*easy expansion
multiple backup devices

2. What is the primary function of the NOC at a large ISP?
installing equipment at a customer site
setting up customer accounts and passwords
*monitoring and testing customer network connections
entering customer requirements in an order-tracking database

3. What is used by a routing protocol to determine the best path to include in the routing table?
Convergence time
Default distance
*Metric
Type of router

4. In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?
*destination network address
source network address
source MAC address
well known port destination address

5. Which statement describes a route that has been learned dynamically?
*It is automatically updated and maintained by routing protocols.
It is unaffected by changes in the topology of the network.
It has an administrative distance of 1.
It is identified by the prefix C in the routing table.

6. What routing protocol would be appropriate to use for exchanging routes between ISPs?
RIPv2
*BGP
OSPF
EIGRP

7. At which layer of the OSI model is the Ethernet family of technologies defined?
Layer 1
*Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Layer 7

8. Which two services are required to enable a computer to receive dynamic IP addresses and access the Internet using domain names? (Choose two.)
*DNS
WINS
HTTP
*DHCP
SMTP
9. Which combination of network address and subnet mask allows 62 hosts to be connected in a single subnet?
Network address 10.1.1.4 Subnet mask 255.255.255.240
Network address 10.1.1.0 Subnet mask 255.255.255.252
*Network address 10.1.1.0 Subnet mask 255.255.255.192
Network address 10.1.1.4 Subnet mask 255.255.255.248

10. Refer to the exhibit. Which subnet mask would accommodate the number of hosts shown for each subnetwork with the least amount of IP addresses wasted?
255.255.0.0
255.255.255.192
*255.255.255.224
255.255.255.240
255.255.255.248

11. Refer to the exhibit. Devices need to connect to the file server from remote networks. What method should be used to provide the file server with an IP address to allow these connections?
*static NAT
static PAT
dynamic NAT
dynamic PAT

12. While configuring PAT on a Cisco ISR, a network technician defines the IP address of the router interface that connects to the ISP. This address will be the translated address for all Internet traffic from inside hosts. What is this IP address called?
inside local address
*inside global address
outside local address
outside global address

13. What does the command RA(dhcp-config)# dns-server 10.10.64.221 10.10.64.222 accomplish?
allows RA to act as a DNS relay agent
allows RA to be configured as a DNS server
identifies the default gateway address that is used to reach the DNS servers
*enables DHCP clients to use the specified IP addresses as DNS servers

14. The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:

C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1

From which router was this command executed?
A
B
*C
D

15. Refer to the exhibit. R1 and R2 are configured with the commands that are displayed. All interfaces are properly configured, but neither router is receiving routing updates. What two things can be done to solve the problem? (Choose two.)
*Configure the routing protocol on R1 for network 10.0.0.0.
*Configure the routing protocol on R2 for network 10.0.0.0.
Configure the routing protocol on R1 for network 192.168.4.0.
Configure the routing protocol on R1 for network 192.168.2.0.
Configure the routing protocol on R2 for network 192.168.1.0.
Configure the routing protocol on R2 for network 192.168.3.0.

16. Refer to the exhibit. A NOC technician at an ISP enters the command c:\ping 209.165.201.7. What are two reasons to use this command? (Choose two.)
map the path to 209.165.201.7
*test reachability to 209.165.201.7
locate connectivity problems along the route to 209.165.201.7
identify ISPs that interconnect the NOC and remote host with IP 209.165.201.7
*measure the time that packets take to reach 209.165.201.7 and return to the technician's workstation

17. Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B can be reached. What two events will occur if this command is successful? (Choose two.)
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
The router will send a TCP acknowledgment message to workstation A.
Workstation B will send a UDP ping reply message to the router.
*Workstation A will send an ICMP echo request message to workstation B.
*Workstation B will send an ICMP echo reply message to workstation A.

18. Refer to the exhibit. What does the highlighted value 120 represent?
the number of hops between the router and network 10.0.5.0
*the administrative distance of the routing protocol
the UDP port number that is used for forwarding traffic
the bandwidth that is allocated to the serial interface

19. Refer to the exhibit. If the show cdp neighbors command is issued on RTB, which devices will appear in the output if all devices use the Cisco IOS and have CDP enabled?
RTA, RTC
*RTA, RTC, Sw2
RTA, RTC, Sw1, Sw2, Sw3
RTA, RTC, Sw1, Sw2, Sw3, PC1, PC2

20. Which protocol allows secure in-band management so that a network administrator can monitor and configure network devices without fear of any passwords being compromised?
*SSH
HTTP
SNMP
Telnet

21. Which mode does a router enter when no configuration file is located in NVRAM?
ROMMON
*setup
global configuration
privileged exec

22. If the configuration register is currently set to 0x2102, what is the first action that a router will take after the bootstrap program loads successfully?
*load the IOS from flash
load the IOS from NVRAM
load the IOS from the TFTP server
load the startup configuration file from flash
load the startup configuration file from NVRAM
load the startup configuration file from the TFTP server

23. Refer to the exhibit. A network administrator is unable to ping H1 from the router and is checking the cabling along the network. Which segment is incorrectly cabled?
Segment A
Segment B
Segment C
*Segment D

24. Refer to the exhibit. Router R1 has been configured with the commands that are displayed. Which fact can be determined from the configuration?
*All passwords are encrypted.
The privileged EXEC mode password is “password1.”
The router can support four Telnet sessions simultaneously.
The router can be accessed from the console without using any password.

25. Refer to the exhibit. While configuring the serial interface of a router, the network administrator sees the highlighted error message. What is the reason for this?
The serial interface is administratively down.
The serial interface is already configured with an IP address.
*The network administrator has attempted to configure the serial interface with a broadcast address.
The same IP address has been configured on another interface.


26. Refer to the exhibit. A technician uses the SDM application to configure router R1. Which step should be taken by the technician to enable the Fa0/0 interface on R1 to participate on the connected local network?
Enable a DHCP server on the Fa0/0 LAN interface.
*Configure the appropriate IP address on the Fa0/0 interface.
Configure IP addresses for the primary and secondary DNS server.
Configure the starting and ending IP addresses for the DHCP pool but exclude the Fa0/0 IP address.

27. Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB:

RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0

A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies do not make it back to PC3. What will fix this problem?
RTA must be configured to forward packets to the 192.168.2.0 network.
*The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.2.1 address is the next hop address.
The ip route command should be removed from the RTB router configuration.
Another default route should be configured on RTA with a next hop address of 10.1.1.6.

28. Which type of cable may be used for backbone cabling between data centers that are located on different floors and that are separated by a distance of 1640 feet (500 meters)?
STP
UTP
coaxial
*fiber-optic

29. A network engineer is planning a new horizontal cable installation in an office building. What advantage would UTP cable have over fiber optic cable for this installation?
*lower installation costs
better protection from EMI
higher transmission speeds
longer unrepeated distance between endpoints

30. What is the maximum unrepeated distance set by industry standards for UTP cable?
10 meters
75 meters
*100 meters
325 meters

31. What are three features of the TCP protocol? (Choose three.)
*It provides retransmission of data packets if they are lost during transmission.
It is a connectionless protocol.
*It uses a three-way handshake between the sending and receiving systems to establish each conversation.
*It specifies how messages are reassembled at the destination host.
It requires only 8 bytes of overhead.
It breaks the data packet into datagrams.

32. A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?
FTPS
HTTP
*HTTPS
WEP2
TFTP

33. In the URL http://dev.cisco.com/wwwdocs/procedures.htm, what is identified by wwwdocs?
the server name where the resource is located
the protocol that is used for the resource request
the domain name of the server that is being accessed
*the folder where the requested resource is stored


34. A small company wishes to provide e-mail accounts for its users. For insurance reasons the company wants to ensure that proper mail retention policies are followed. The company wants to ensure that all e-mail is backed up regularly, but it does not want the users to have to perform this backup themselves. Which protocol would meet the needs of the company?
SSL
POP3
SMTP
*IMAP4

35. Which AAA process requires users to prove their identity with a username and password to gain access to a network?
accounting
authorization
*authentication
acknowledgment

36. Refer to the exhibit. A network administrator has an extra router and wishes to use it as shown to passively monitor network traffic. Which IOS feature should be implemented on router EXTRA?
ACLs
CDP
*IDS
IPS

37. Which networking service is used to provide name to IP address mapping?
*DNS
FTP
NAT
DHCP

38. What is an example of a dedicated point-to-point WAN link?
ISDN
Frame Relay
dialup
*T1/E1

39. A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?
SONET
T3
T1
*DSL
leased line

40. Refer to the exhibit. Router Left is unable to ping router Right. The show interfaces serial 0/0/0 command indicates that the interface is up but the line protocol is down on both routers. Which action could be taken to establish connectivity between the two routers?
Configure S0/0/1 instead of S0/0/0 on router Right.
Enter the encapsulation hdlc command on router Right.
Contact the service provider to report that the circuit is down.
Contact the service provider to enable PPP on the WAN circuit.
*Enter the no encapsulation ppp command on router Left S0/0/0.

41. A network technician wants to restore a backup copy of the saved configuration file on a router from a TFTP server. After restoring the file from the TFTP server, the technician reloads the router and finds that it still has the old configuration file instead of the restored file. What could have caused this?
The technician entered the command delete flash: before reloading the router.
The technician entered the command boot system rom before reloading the router.
The technician entered the command erase startup-config before reloading the router.
*The technician failed to enter the command copy running-config startup-config before reloading the router.


42. A company functions from Monday to Friday each week. Their backup strategy calls for full backups each Friday night, with differential backups on all other weekday nights. If an administrator is asked to restore a server hard drive to its Wednesday morning state, how many backups must be used?
1
*2
3
4

43. A small company has contracted with its ISP for web hosting. Which two items would be included in the SLA for this service? (Choose two.)
*performance
web server cost
*(service availability
operating system on the web server
web server model and configuration

44. A building has experienced a power outage. When the power returns, none of the devices on one floor can access the Internet. The network administrator checks the switch in the IDF that these devices are connected to and notes that the SYST LED on the front of the switch is amber.

What is a possible cause of this problem?
The switch is functioning properly.
*The switch has failed POST.
The switch configuration file was not saved to NVRAM.
The connection between the switch and the server did not autonegotiate speed and duplex properly.

45. How does an SNMP trap aid network monitoring and management?
It reports to the management station by responding to polls.
It collects information for the management station by using polling devices.
*It sends an alert message to the management station when a threshold is reached.
It flags attempts to begin a DoS attack on the network.