ccna 2 ch 1

01. Which two statements correctly describe the components of a router? (Choose two.)

RAM permanently stores the configuration file used during the boot sequence.

ROM contains diagnostics executed on hardware modules.

NVRAM stores a backup copy of the IOS used during the boot sequence.

Flash memory does not lose its contents during a reboot.

ROM contains the most current and most complete version of the IOS.

Flash contains boot system commands to identify the location of the IOS.

02. Whic

h interfaces in the exhibit could be used for a leased line WAN connection? (Choose two.)

1

2

3

4

5

6

03. If a router cannot find a valid configuration file during the startup sequence, what will

occur?

The startup sequence will reset.

The router will prompt the user for a response to enter setup mode.

The startup sequence will halt until a valid configuration file is acquired.

The router will generate a default configuration file based on the last valid configuration.

The router will monitor local traffic to determine routing protocol configuration

requirements.

04. Which of the following is the correct flow of routines for a router startup?

load bootstrap, load IOS, apply configuration

load bootstrap, apply configuration, load IOS

load IOS, load bootstrap, apply configuration, check hardware

check hardware, apply configuration, load bootstrap, load IOS

05. What is the default sequence for loading the configuration file?

NVRAM, FLASH, ROM

FLASH, TFTP,CONSOLE

NVRAM, TFTP, CONSOLE

FLASH, TFTP, ROM

http://nj180degree.net/wp-content/uploads/2010/03/02.jpg

06. From what location can a router load the Cisco IOS during the boot process? (Choose

two.)

RAM

TFTP server

NVRAM

setup routine

Flash memory

Terminal

07. Which are functions of a router? (Choose three.)

packet switching

extension of network segments

segmentation of broadcast domains

selection of best path based on logical addressing

selection of best path based on physical addressing

08. What three processes does a router execute when it receives a packet from one

network that is destined for another network? (Choose three.)

decapsulates the Layer 3 packet by stripping off the Layer 2 frame header

uses the destination MAC Address in the IP Header to look up the next-hop address in

the routing table

leaves the Layer 2 frame header intact when decapsulating the Layer 3 packet

uses the destination IP Address in the IP header to look up the next-hop address in the

routing table

encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit

interface

encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the exit

interface

09. The network administrator needs to connect two routers directly via their FastEthernet

ports. What cable should the network administrator use?

straight-through

rollover

cross-over

serial

10. Refer to the exhibit. What can be concluded from the

output of the running-configuration of a router?

The passwords are encrypted.

The current configuration was saved to NVRAM.

The configuration that is shown will be the one used on the next reboot.

The commands that are displayed determine the current operation of the router.

11. Which two statements describe characteristics of load balancing? (Choose two.)

Load balancing occurs when a router sends the same packet to different destination

networks.

Load balancing occurs when the same number of packets are sent over static and

dynamic routes.

Load balancing allows a router to forward packets over multiple paths to the same

destination network.

Unequal cost load balancing is supported by EIGRP.

If multiple paths with different metrics to a destinations exist, the router cannot support

load balancing.

12. Refer to the

exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.)

This router only has two interfaces.

The router interfaces are not operational yet.

This router is configured to forward packets to remote networks.

The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an IP

address and the no shutdown command.

An IP packet received by this router with a destination address of 198.18.9.1 will be

forwarded out of the Serial0/0/0 interface.

13. The serial connection shown

in the graphic needs to be configured. Which configuration commands must be made on

the Sydney router to establish connectivity with the Melbourne site? (Choose three.)

Sydney(config-if)# ip address 201.100.53.2 255.255.255.0

Sydney(config-if)# no shutdown


Sydney(config-if)# clock rate 56000

Sydney(config-if)# ip host Melbourne 201.100.53.2

14. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the

modes and interfaces that can be protected with passwords. (Choose three.)

VTY interface

console interface

Ethernet interface

secret EXEC mode

privileged EXEC mode

router configuration mode

15. What is the outcome of entering these commands?

R1(config)# line vty 0 4

R1(config-line)# password check123

R1(config-line)# login

ensures that a password is entered before entering user EXEC mode

sets the password to be used for connecting to this router via Telnet

requires check123 to be entered before the configuration can be saved

creates a local user account for logging in to a router or switch

16. Refer to the

exhibit. The network administrator has configured the router with the interface IP

addresses shown for the directly connected networks. Pings from the router to hosts on

the connected networks or pings between router interfaces are not working. What is the

most likely problem?

The destination networks do not exist.

The IP addresses on the router interfaces must be configured as network addresses and

not host addresses.

The interfaces must be enabled with the no shutdown command.

Each interface must be configured with the clock rate command.

17. A network administrator has just entered new configurations into Router1. Which

command should be executed to save configuration changes to NVRAM?

Router1# copy running-config flash

Router1(config)# copy running-config flash

Router1# copy running-config startup-config

Router1(config)# copy running-config startup-config

Router1# copy startup-config running-config

Router1(config)# copy startup-config running-config

18. Refer to the

exhibit. All routers have a route in its routing table to each network that is shown in the

exhibit. Default routes have not been issued on these routers. What can be concluded

about how packets are forwarded in this network? (Choose two.)

If RouterC receives a packet that is destined for 10.5.1.1, it will be forwarded out interface

Fa0/0.

If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out

interface S0/0/1.

If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out

interface S0/0/1.


interface S0/0/0.

If RouterC receives a packet that is destined for 192.16.5.101, it will be forwarded out

interface S0/0/1.

19. What header address information does a router change in the information it receives

from an attached Ethernet interface before information is transmitted out another

interface?

only the Layer 2 source address

only the Layer 2 destination address



the Layer 2 source and destination address


20. Refer to the

exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what

two pieces of header information are included? (Choose two.)

source IP address: 192.168.10.129

source IP address: BBBB.3333.5677

source MAC address: 5555.AAAA.6666

destination IP address: 192.168.10.33


destination MAC address: 9999.DADC.1234

21. Refer to the exhibit. After host

2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1.

What is the cause of this problem?

The subnet mask of host 2 is incorrect.

Host 1 and host 2 are on different networks.

The switch needs an IP address that is not configured.

The router LAN interface and host 1 are on different networks.

The IP address of host 1 is on a different network than is the LAN interface of the router.

1. If a router cannot find a valid configuration file during the startup sequence, what

will occur?




The router will generate a default configuration file based on the last valid

configuration.


requirements.

2.

http://ccnaanswers.com/

http://ccnaanswers.com/wp-content/uploads/CCNA2Chapter1V4.0Answers1.jpg

Refer to the exhibit. The network administrator has configured the router with the

interface IP addresses shown for the directly connected networks. Pings from the

router to hosts on the connected networks or pings between router interfaces are not

working. What is the most likely problem?


The IP addresses on the router interfaces must be configured as network addresses

and not host addresses.



3.

Refer to the exhibit. What can be concluded from the routing table output in the

exhibit? (Choose two.)




The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an

IP address and the no shutdown command.




4.

Refer to the exhibit. The frame shown in the exhibit was received by the router. The

router interfaces are operational. How will the router process this frame? (Choose

two.)

The router will change the source and destination IP address in the packet before

forwarding the frame.

The router will change the frame type to one supported by the WAN link before


The router will use the destination MAC address to determine which interface to

forward the packet.

The router will look up the MAC address of the S0/0/0 interface in the ARP table and

add it to the frame before forwarding.

The frame was received on the Fa0/0 interface of the router and will be switched to

the S0/0/0 interface.

The frame was received on the S0/0/0 interface of the router and will be switched to

the Fa0/0 interface.



VTY interface

console interface

Ethernet interface

secret EXEC mode




6. Which two statements correctly describe the components of a router? (Choose

two.)






Flash contains boot system commands to identify the location of the IOS

7.

Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is

unable to communicate with host 1. What is the cause of this problem?





The IP address of host 1 is on a different network than is the LAN interface of the

router.



packet switching




election of best path based on physical addressing

9.

Refer to the exhibit. All routers have a route in its routing table to each network that

is shown in the exhibit. Default routes have not been issued on these routers. What

can be concluded about how packets are forwarded in this network? (Choose two.)


interface Fa0/0.

If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded

out interface S0/0/1.


interface S0/0/1.


interface S0/0/0.


interface S0/0/1.


10.

The serial connection shown in the graphic needs to be configured. Which

configuration commands must be made on the Sydney router to establish

connectivity with the Melbourne site? (Choose three.)






11.


Refer to the exhibit. What can be concluded from the output of the running-

configuration of a router?





12.


Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet

interface, what two pieces of header information are included? (Choose two.)
























the routing table


uses the destination IP Address in the IP header to look up the next-hop address in

the routing table

encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the

exit interface

encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the

exit interface

16. The network administrator needs to connect two routers directly via their

FastEthernet ports. What cable should the network administrator use?

straight-through

rollover

cross-over

serial



networks.


networks.




If multiple paths with different metrics to a destinations exist, the router cannot

support load balancing.

18. What information about the router and its startup process can be gathered from

the output of the show version command? (Choose three.)

the last restart method

the command buffer contents

the amount of NVRAM and FLASH used

the configuration register settings

the location from where the IOS loaded

19.

Which interfaces in the exhibit could be used for a leased line WAN connection?

(Choose two.)

1

2

3

4

5


6

20. From what location can a router load the Cisco IOS during the boot process?

(Choose two.)

RAM

TFTP server

NVRAM

setup routine

Flash memory

terminal










NVRAM, FLASH, ROM

FLASH, TFTP,CONSOLE


FLASH, TFTP, ROM

23. What header address information does a router change in the information it

receives from an attached Ethernet interface before information is transmitted out

another interface?







1.

Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.)




destination IP address: 192.168.10.134destination MAC address: 9999.DADC.1234

2. Which of the following is the correct flow of routines for a router startup?load bootstrap, load IOS, apply configurationload bootstrap, apply configuration, load IOS

http://ccnaexamanswers.com/wp-content/uploads/CCNAExploration1Chapter1ExamAnswers.jpg



3.

Refer to the exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.)




The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an IP address and the no shutdown command.An IP packet received by this router with a destination address of 198.18.9.1 will be forwarded out of the Serial0/0/0 interface.

4.

http://ccnaexamanswers.com/wp-content/uploads/CCNAExploration1Module1ExamAnswers.jpg

Refer to the exhibit. The frame shown in the exhibit was received by the router. The router interfaces are operational. How will the router process this frame? (Choose two.)

The router will change the source and destination IP address in the packet before forwarding the frame.

The router will change the frame type to one supported by the WAN link before forwarding the frame.The router will use the destination MAC address to determine which interface to forward the packet.

The router will look up the MAC address of the S0/0/0 interface in the ARP table and add it to the frame before forwarding.

The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface.The frame was received on the S0/0/0 interface of the router and will be switched to the Fa0/0 interface.

5. What three processes does a router execute when it receives a packet from one network that is destined for another network? (Choose three.)decapsulates the Layer 3 packet by stripping off the Layer 2 frame headeruses the destination MAC Address in the IP Header to look up the next-hop address in the routing table


uses the destination IP Address in the IP header to look up the next-hop address in the routing table

http://ccnaexamanswers.com/wp-content/uploads/CCNAExploration1ExamAnswers7.jpg

encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interfaceencapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the exit interface

6.

Refer to the exhibit. What can be concluded from the output of the running-configuration of a router?





http://ccnaexamanswers.com/wp-content/uploads/CCNA1ExamAnswers8.jpg

7. A network administrator has just entered new configurations into Router1. Which command should be executed to save configuration changes to NVRAM?Router1# copy running-config flashRouter1(config)# copy running-config flashRouter1# copy running-config startup-configRouter1(config)# copy running-config startup-configRouter1# copy startup-config running-configRouter1(config)# copy startup-config running-config

8. What is the default sequence for loading the configuration file?NVRAM, FLASH, ROM

FLASH, TFTP,CONSOLE

NVRAM, TFTP, CONSOLEFLASH, TFTP, ROM

9.

Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem?


The IP addresses on the router interfaces must be configured as network addresses and not host addresses.

The interfaces must be enabled with the no shutdown command.Each interface must be configured with the clock rate command.

http://ccnaexamanswers.com/wp-content/uploads/CCNA1Answers6.jpg

10. What information about the router and its startup process can be gathered from the output of the show version command? (Choose three.)the last restart methodthe command buffer contents


the configuration register settingsthe location from where the IOS loaded

11.

Which interfaces in the exhibit could be used for a leased line WAN connection? (Choose two.)

12

3

45

6

http://ccnaexamanswers.com/wp-content/uploads/CCNAExplorationRoutingProtocolsandConceptsChapter1ExamAnswers.jpg

12. If a router cannot find a valid configuration file during the startup sequence, what will occur?The startup sequence will reset.

The router will prompt the user for a response to enter setup mode.The startup sequence will halt until a valid configuration file is acquired.


The router will monitor local traffic to determine routing protocol configuration requirements.

13. Which are functions of a router? (Choose three.)packet switchingextension of network segments

segmentation of broadcast domainsselection of best path based on logical addressingelection of best path based on physical addressing

14.

The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)

Sydney(config-if)# ip address 201.100.53.2 255.255.255.0Sydney(config-if)# no shutdownSydney(config-if)# ip address 201.100.53.1 255.255.255.224Sydney(config-if)# clock rate 56000Sydney(config-if)# ip host Melbourne 201.100.53.2

http://ccnaexamanswers.com/wp-content/uploads/CCNA1Chapter1ExamAnswers.jpg

15. What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?only the Layer 2 source address




the Layer 2 source and destination addressthe Layer 3 source and destination address

16. What is the outcome of entering these commands?R1(config)# line vty 0 4 R1(config-line)# password check123 R1(config-line)# loginensures that a password is entered before entering user EXEC mode

sets the password to be used for connecting to this router via Telnetrequires check123 to be entered before the configuration can be saved


17.

Refer to the exhibit. All routers have a route in its routing table to each network that is shown in the exhibit. Default routes have not been issued on these routers. What can be concluded about how packets are forwarded in this network? (Choose two.)

If RouterC receives a packet that is destined for 10.5.1.1, it will be forwarded out interface Fa0/0.

If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out interface S0/0/1.If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out interface S0/0/1.If RouterB receives a packet that is destined for 172.20.255.1, it will be forwarded out interface S0/0/0.

If RouterC receives a packet that is destined for 192.16.5.101, it will be forwarded out interface S0/0/1.

18. From what location can a router load the Cisco IOS during the boot process? (Choose two.)RAM

TFTP serverNVRAM

setup routine

Flash memoryterminal

http://ccnaexamanswers.com/wp-content/uploads/CCNA1Chapter1Answers.jpg

19.

Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?


Host 1 and host 2 are on different networks.The switch needs an IP address that is not configured.



20. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)VTY interfaceconsole interfaceEthernet interface

secret EXEC mode

privileged EXEC moderouter configuration mode

http://ccnaexamanswers.com/wp-content/uploads/CCNAChapter1ExamAnswers.jpg

21. Which two statements describe characteristics of load balancing? (Choose two.)Load balancing occurs when a router sends the same packet to different destination networks.

Load balancing occurs when a router sends the same packet to different destination networks.

Load balancing allows a router to forward packets over multiple paths to the same destination network.Unequal cost load balancing is supported by EIGRP.If multiple paths with different metrics to a destinations exist, the router cannot support load balancing.

22. Which two statements correctly describe the components of a router? (Choose two.)RAM permanently stores the configuration file used during the boot sequence.

ROM contains diagnostics executed on hardware modules.NVRAM stores a backup copy of the IOS used during the boot sequence.

Flash memory does not lose its contents during a reboot.ROM contains the most current and most complete version of the IOS.


23. The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use?straight-through

rollover

cross-overserial

1. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

VTY interface

console interface

Ethernet interfacesecret EXEC mode



2.

Refer to the exhibit. What can be concluded from the output of the running-configuration of a router? The passwords are encrypted. The current configuration was saved to NVRAM. The configuration that is shown will be the one used on the next reboot.


3.


1

2 3

4

5 6

4. What is the default sequence for loading the configuration file? NVRAM, FLASH, ROM FLASH, TFTP,CONSOLE


FLASH, TFTP, ROM

http://nj180degree.net/wp-content/uploads/2010/03/02.jpg

5. The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use? straight-through rollover

cross-over

serial

6.

Refer to the exhibit. All routers have a route in its routing table to each network that is shown in the exhibit. Default routes have not been issued on these routers. What can be concluded about how packets are forwarded in this network? (Choose two.) If RouterC receives a packet that is destined for 10.5.1.1, it will be forwarded out interface Fa0/0.

If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out interface S0/0/1.

If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out interface S0/0/1.

If RouterB receives a packet that is destined for 172.20.255.1, it will be forwarded out interface S0/0/0. If RouterC receives a packet that is destined for 192.16.5.101, it will be forwarded out interface S0/0/1.

7. Which two statements correctly describe the components of a router? (Choose two.) RAM permanently stores the configuration file used during the boot sequence.




ROM contains the most current and most complete version of the IOS. Flash contains boot system commands to identify the location of the IOS.

8. A network administrator has just entered new configurations into Router1. Which command should be executed to save configuration changes to NVRAM? Router1# copy running-config flash Router1(config)# copy running-config flash


Router1(config)# copy running-config startup-config Router1# copy startup-config running-config Router1(config)# copy startup-config running-config

9.

Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.) source IP address: 192.168.10.129 source IP address: BBBB.3333.5677 source MAC address: 5555.AAAA.6666




10. From what location can a router load the Cisco IOS during the boot process? (Choose two.) RAM

TFTP server

NVRAM setup routine

Flash memory

Terminal

11. If a router cannot find a valid configuration file during the startup sequence, what will occur? The startup sequence will reset.


The startup sequence will halt until a valid configuration file is acquired. The router will generate a default configuration file based on the last valid configuration. The router will monitor local traffic to determine routing protocol configuration requirements.

12. Which two statements describe characteristics of load balancing? (Choose two.) Load balancing occurs when a router sends the same packet to different destination networks. Load balancing occurs when the same number of packets are sent over static and dynamic routes.

Load balancing allows a router to forward packets over multiple paths to the same destination network.


If multiple paths with different metrics to a destinations exist, the router cannot support load balancing.



load bootstrap, apply configuration, load IOS load IOS, load bootstrap, apply configuration, check hardware check hardware, apply configuration, load bootstrap, load IOS

14.

Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem? The destination networks do not exist. The IP addresses on the router interfaces must be configured as network addresses and not host addresses.



15.

Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem? The subnet mask of host 2 is incorrect.


The switch needs an IP address that is not configured. The router LAN interface and host 1 are on different networks.


16. What three processes does a router execute when it receives a packet from one network that is destined for another network? (Choose three.)


uses the destination MAC Address in the IP Header to look up the next-hop address in the routing table leaves the Layer 2 frame header intact when decapsulating the Layer 3 packet

uses the destination IP Address in the IP header to look up the next-hop address in the routing table

encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interface

encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the exit interface

17. What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface? only the Layer 2 source address only the Layer 2 destination address only the Layer 3 source address only the Layer 3 destination address



18.

Refer to the exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.) This router only has two interfaces. The router interfaces are not operational yet. This router is configured to forward packets to remote networks.



packet switching




selection of best path based on physical addressing

20.What is the outcome of entering these commands?

R1(config)# line vty 0 4R1(config-line)# password check123R1(config-line)# login



requires check123 to be entered before the configuration can be saved creates a local user account for logging in to a router or switch

21.






Sydney(config-if)# ip host Melbourne 201.100.53.2 ***************************1. During the initial configuration of a 2600 series Cisco router, which cable is required for connecting a PC to the console port?twisted.crossover.rollover.straight. 2. The console port can be used for which of the following? (Choose three.)debugging.password recovery.routing data between networks.troubleshooting.connecting one router to another.

3. What do routers use to select the best path for outgoing data packets?ARP tables.bridging tables.routing tables.switching tables. 4. A router is composed of many internal components. Which of the following components stores a copy of the router’s configuration file?metal-oxide memory.read only memory.flash memory.non-volatile random access memory. 5. Terminal emulation software, such as HyperTerminal, can be used to configure a router. Which of the following HyperTerminal options shown in the graphic are correctly set to allow configuration of a Cisco router? (Choose three.)bits per second.data bits.parity.stop bits.flow control. 6. ABC Company just purchased three new routers to start their company network. Which items are needed to establish a terminal session between a PC and the router for the initial configuration? (Choose three.)straight-through cable.terminal emulation software.rollover cable.RJ-45 to DB-9 connector.V.35 cable. 7. Which of the following devices are used in the construction of a WAN? (Choose three.)hubs.routers.communication servers.transceivers.modems.multi-port repeaters. 8. Select the statements that correctly describe flash memory in a 2600 series router? (Choose two.)holds the startup configuration by default.can be upgraded with single in-line memory modules.stores Cisco IOS software images.stores routing table information by default.maintains the only copy of an IOS image after the router is booted. 9. Which router component holds the configuration file when power is lost?

volatile random access memory.read only memory.non-volatile random access memory.flash memory. 10. Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)physical layer.application layer.transport layer.data link layer.session layer. 11. What contains the instructions that a router uses to control the flow of traffic through its interfaces?packet configuration.configuration files.flash memory.internal components. 12. Which of the following tasks can be accomplished through a management connection on a router? (Choose three.)troubleshooting problems.monitoring the system.capturing LAN data packets.configuring the router.routing data packets. 13. Which of the following are functions of RAM? (Choose three.)contains startup configuration file.stores routing table.holds fast switching cache.retains contents when power is removed.stores running configuration file. 14. Why is a console connection to a router or switch preferred when troubleshooting? (Choose two.)can be accessed remotely.does not depend on network services.displays startup and error messages by default.does not require special components. 15. Which of the following are functions of NVRAM? (Choose two.)stores the routing table.retains contents when power is removed.stores the startup configuration file.contains the running configuration file.stores the ARP table. 16. Which of the following describes the function of a WAN?

connects peripherals in a single location.connects multiple networks in a single building.provides connectivity on a LAN.provides connectivity over a large geographic area. 17. An internetwork must include which of the following? (Choose three.)switching.static addressing.IETF standardization.dynamic or static routing.consistent end-to-end addressing. 18. Which of the following descriptions are true regarding the management connections on a Cisco router? (Choose three.)They are non-network connections.They are used to connect the router to the rest of the production network.They are synchronous serial ports.They are used for initial router configuration.They are asynchronous serial ports.They are accessed using their assigned IP address. 19. Several Ethernet hosts on a LAN need the gateway services of a Cisco 2500 series router. Which of the following would be needed to physically connect a router to all of the hosts on the LAN? (Choose two.)a crossover cable between the transceiver on a router and a switch.a crossover cables between a switch and hosts on a LAN.a straight-through cable between the auxiliary port on a router and a switch.a rollover cable between the console port on a router and a switch.straight-through cables between a switch and hosts on a LAN.a straight-through cable between the transceiver on a router and a switch. 20. Which of the following are true regarding router interfaces? (Choose three.)provide temporary memory for the router configuration files.connect the router to the network for packet entry and exit.can be on the motherboard or a separate module.hold the IOS image.connect the router to LANs and WANs. 21. Which basic components do a router and a standard desktop PC have in common? (Choose three.)CPU.hard drive.input/output interfaces.keyboard.monitor.system bus.No related posts.

1.

Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.)




destination IP address: 192.168.10.134destination MAC address: 9999.DADC.1234

2. Which of the following is the correct flow of routines for a router startup?load bootstrap, load IOS, apply configurationload bootstrap, apply configuration, load IOS



3.

http://ccnaexamanswers.com/wp-content/uploads/CCNAExploration1Chapter1ExamAnswers.jpg

Refer to the exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.)





4.

Refer to the exhibit. The frame shown in the exhibit was received by the router. The router interfaces are operational. How will the router process this frame? (Choose two.)

http://ccnaexamanswers.com/wp-content/uploads/CCNAExploration1Module1ExamAnswers.jpg

http://ccnaexamanswers.com/wp-content/uploads/CCNAExploration1ExamAnswers7.jpg

The router will change the source and destination IP address in the packet before forwarding the frame.

The router will change the frame type to one supported by the WAN link before forwarding the frame.The router will use the destination MAC address to determine which interface to forward the packet.

The router will look up the MAC address of the S0/0/0 interface in the ARP table and add it to the frame before forwarding.

The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface.The frame was received on the S0/0/0 interface of the router and will be switched to the Fa0/0 interface.

5. What three processes does a router execute when it receives a packet from one network that is destined for another network? (Choose three.)decapsulates the Layer 3 packet by stripping off the Layer 2 frame headeruses the destination MAC Address in the IP Header to look up the next-hop address in the routing table


uses the destination IP Address in the IP header to look up the next-hop address in the routing tableencapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interfaceencapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the exit interface

6.

Refer to the exhibit. What can be concluded from the output of the running-configuration of a router?





7. A network administrator has just entered new configurations into Router1. Which command should be executed to save configuration changes to NVRAM?Router1# copy running-config flashRouter1(config)# copy running-config flashRouter1# copy running-config startup-configRouter1(config)# copy running-config startup-configRouter1# copy startup-config running-configRouter1(config)# copy startup-config running-config

http://ccnaexamanswers.com/wp-content/uploads/CCNA1ExamAnswers8.jpg

8. What is the default sequence for loading the configuration file?NVRAM, FLASH, ROM

FLASH, TFTP,CONSOLE

NVRAM, TFTP, CONSOLEFLASH, TFTP, ROM

9.

Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem?


The IP addresses on the router interfaces must be configured as network addresses and not host addresses.

The interfaces must be enabled with the no shutdown command.Each interface must be configured with the clock rate command.

10. What information about the router and its startup process can be gathered from the output of the show version command? (Choose three.)the last restart methodthe command buffer contents


http://ccnaexamanswers.com/wp-content/uploads/CCNA1Answers6.jpg

the configuration register settingsthe location from where the IOS loaded

11.


12

3

45

6

12. If a router cannot find a valid configuration file during the startup sequence, what will occur?The startup sequence will reset.

The router will prompt the user for a response to enter setup mode.The startup sequence will halt until a valid configuration file is acquired.

http://ccnaexamanswers.com/wp-content/uploads/CCNAExplorationRoutingProtocolsandConceptsChapter1ExamAnswers.jpg


The router will monitor local traffic to determine routing protocol configuration requirements.

13. Which are functions of a router? (Choose three.)packet switchingextension of network segments

segmentation of broadcast domainsselection of best path based on logical addressingelection of best path based on physical addressing

14.


Sydney(config-if)# ip address 201.100.53.2 255.255.255.0Sydney(config-if)# no shutdownSydney(config-if)# ip address 201.100.53.1 255.255.255.224Sydney(config-if)# clock rate 56000Sydney(config-if)# ip host Melbourne 201.100.53.2

15. What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?only the Layer 2 source address

http://ccnaexamanswers.com/wp-content/uploads/CCNA1Chapter1ExamAnswers.jpg




the Layer 2 source and destination addressthe Layer 3 source and destination address

16. What is the outcome of entering these commands?R1(config)# line vty 0 4 R1(config-line)# password check123 R1(config-line)# loginensures that a password is entered before entering user EXEC mode

sets the password to be used for connecting to this router via Telnetrequires check123 to be entered before the configuration can be saved


17.

Refer to the exhibit. All routers have a route in its routing table to each network that is shown in the exhibit. Default routes have not been issued on these routers. What can be concluded about how packets are forwarded in this network? (Choose two.)

http://ccnaexamanswers.com/wp-content/uploads/CCNA1Chapter1Answers.jpg

If RouterC receives a packet that is destined for 10.5.1.1, it will be forwarded out interface Fa0/0.

If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out interface S0/0/1.If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out interface S0/0/1.If RouterB receives a packet that is destined for 172.20.255.1, it will be forwarded out interface S0/0/0.

If RouterC receives a packet that is destined for 192.16.5.101, it will be forwarded out interface S0/0/1.

18. From what location can a router load the Cisco IOS during the boot process? (Choose two.)RAM

TFTP serverNVRAM

setup routine

Flash memoryterminal

19.

http://ccnaexamanswers.com/wp-content/uploads/CCNAChapter1ExamAnswers.jpg

Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?


Host 1 and host 2 are on different networks.The switch needs an IP address that is not configured.



20. Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)VTY interfaceconsole interfaceEthernet interface

secret EXEC mode

privileged EXEC moderouter configuration mode

21. Which two statements describe characteristics of load balancing? (Choose two.)Load balancing occurs when a router sends the same packet to different destination networks.

Load balancing occurs when a router sends the same packet to different destination networks.

Load balancing allows a router to forward packets over multiple paths to the same destination network.Unequal cost load balancing is supported by EIGRP.If multiple paths with different metrics to a destinations exist, the router cannot support load balancing.

22. Which two statements correctly describe the components of a router? (Choose two.)RAM permanently stores the configuration file used during the boot sequence.

ROM contains diagnostics executed on hardware modules.NVRAM stores a backup copy of the IOS used during the boot sequence.

Flash memory does not lose its contents during a reboot.ROM contains the most current and most complete version of the IOS.


23. The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use?straight-through

rollover

cross-overserial

1. If a router cannot find a valid configuration file during the startup sequence, what

will occur?




The router will generate a default configuration file based on the last valid

configuration.


requirements.

2.

http://ccnaanswers.com/

Refer to the exhibit. The network administrator has configured the router with the

interface IP addresses shown for the directly connected networks. Pings from the

router to hosts on the connected networks or pings between router interfaces are not

working. What is the most likely problem?


The IP addresses on the router interfaces must be configured as network addresses

and not host addresses.



3.

Refer to the exhibit. What can be concluded from the routing table output in the

exhibit? (Choose two.)






The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an

IP address and the no shutdown command.



4.

Refer to the exhibit. The frame shown in the exhibit was received by the router. The

router interfaces are operational. How will the router process this frame? (Choose

two.)

The router will change the source and destination IP address in the packet before


The router will change the frame type to one supported by the WAN link before


The router will use the destination MAC address to determine which interface to

forward the packet.

The router will look up the MAC address of the S0/0/0 interface in the ARP table and

add it to the frame before forwarding.

The frame was received on the Fa0/0 interface of the router and will be switched to

the S0/0/0 interface.

The frame was received on the S0/0/0 interface of the router and will be switched to

the Fa0/0 interface.




VTY interface

console interface

Ethernet interface

secret EXEC mode



6. Which two statements correctly describe the components of a router? (Choose

two.)







7.

Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is

unable to communicate with host 1. What is the cause of this problem?






The IP address of host 1 is on a different network than is the LAN interface of the

router.


packet switching




election of best path based on physical addressing

9.

Refer to the exhibit. All routers have a route in its routing table to each network that

is shown in the exhibit. Default routes have not been issued on these routers. What

can be concluded about how packets are forwarded in this network? (Choose two.)


interface Fa0/0.

If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded

out interface S0/0/1.



interface S0/0/1.


interface S0/0/0.


interface S0/0/1.

10.

The serial connection shown in the graphic needs to be configured. Which

configuration commands must be made on the Sydney router to establish

connectivity with the Melbourne site? (Choose three.)






11.


Refer to the exhibit. What can be concluded from the output of the running-

configuration of a router?





12.


Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet

interface, what two pieces of header information are included? (Choose two.)
























the routing table


uses the destination IP Address in the IP header to look up the next-hop address in

the routing table

encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the

exit interface

encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the

exit interface

16. The network administrator needs to connect two routers directly via their

FastEthernet ports. What cable should the network administrator use?

straight-through

rollover

cross-over

serial



networks.


networks.




If multiple paths with different metrics to a destinations exist, the router cannot

support load balancing.

18. What information about the router and its startup process can be gathered from

the output of the show version command? (Choose three.)

the last restart method

the command buffer contents


the configuration register settings

the location from where the IOS loaded

19.

Which interfaces in the exhibit could be used for a leased line WAN connection?

(Choose two.)

1

2

3

4

5


6

20. From what location can a router load the Cisco IOS during the boot process?

(Choose two.)

RAM

TFTP server

NVRAM

setup routine

Flash memory

terminal










NVRAM, FLASH, ROM

FLASH, TFTP,CONSOLE


FLASH, TFTP, ROM

23. What header address information does a router change in the information it

receives from an attached Ethernet interface before information is transmitted out

another interface?







ccna 2 ch 1

Documents

Transcript of ccna 2 ch 1