Chapter Test 5

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1

Which two items below are required by routers in order for them to perform their basic operations? (Choose two.)

a tftp server

*a configuration file

a configuration register file

*an operating system file

a DNS table

2

The Cisco IOS image naming convention allows identification of different versions and capabilities of the IOS. What information can be gained from the filename c2600-d-mz.121-4? (Choose two.)

The “mz” in the filename represents the special capabilities and features of the IOS.

The file is uncompressed and requires 2.6 MB of RAM to run.

*The software is version 12.1, 4th revision.

The file is downloadable and 121.4MB in size.

*The IOS is for the Cisco 2600 series hardware platform.

3

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.

4

Routers have different types of memory. Choose the answer that describes flash memory.

provides working storage

*stores a fully functional IOS image

stores the startup configuration file

initializes the code used to boot the router

5

If boot system commands have been configured, which of the following could happen if a router fails to obtain an IOS image from the primary sources during bootup?

*The router will load a subset of a full IOS version from system ROM.

The router will attempt to reboot two times before failing.

The router will load the last good IOS image from NVRAM.

The administrator will be prompted to load a valid IOS image.

6

What command can be used in ROM monitor mode to run the IOS image in flash?

rommon1> config-register 0×2102

*rommon1> boot flash:filename

rommon1> xmodem:filename

rommon1> boot system flash:filename

rommon1> reload system flash:

7

Where does a router look for boot system statements?

ROM

RAM

*NVRAM

Flash

8

What does a configuration register setting of 0×2102 indicate on a router?

It tells the router to locate and load the IOS from NVRAM.

It tells the router to locate and load the IOS from FLASH.

*It tells the router to bypass the configuration in NVRAM.

It tells the router to look in the startup configuration for boot system commands.

9

Which of the following can be configured as a source for the IOS image by using the boot system command? (Choose two.)

*TFTP server

HTTP server

Telnet server

*Flash memory

NVRAM memory

10

An IOS image can be copied into flash from a TFTP server. Which of the following statements are true regarding this process? (Choose three.)

*A series of “!’s” are displayed as the image is downloaded successfully to flash.

The copy tftp flash:filename ip address command is used to copy the IOS from the server to flash.

*After the new flash image is downloaded, it is verified.

*A series of “e’s” are displayed as the current IOS image is erased from flash.

Flash must be cleared with the erase command prior to beginning the download process.

11

Which command will display the source of the system boot image?

Router# show version

Router# show config-register

Router# show start-up config

Router# show running-config

Router# show flash

12

Which command will copy an IOS image from a TFTP server to a router?

*Router# copy tftp flash

Router# copy flash tftp

Router(config)# copy tftp flash

Router(config)# copy flash tftp

13

Which part of the configuration register indicates the location of the IOS?

the bootstrap

*the boot field

the IOS locator

the system image loader

14

Which command is used to change the order in which the router looks for system bootstrap information?

config-image

config-system

*config-register

config-bootfield

config system bootstrap

15

Routers have different types of memory. Choose the answer that describes NVRAM.

provides working storage

stores a fully functional IOS image

*stores the startup configuration file

initializes the code that is used to boot the router

Take Assessment – Module 5 Exam – CCNA 2 Router and Routing Basics (Version 3.1)

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16

Which of the following are steps in saving a router configuration file to a TFTP server? (Choose three.)

Enter configuration mode.

*Enter the IP address to the TFTP server.

*Use the copy running-config tftp command.

Use the copy tftp running-config command.

*Name the configuration file or accept the default name.

17

If the configuration register instructs a router to look for configuration information in NVRAM and no boot system commands exist there, from where will the router next attempt to boot the IOS?

RAMR

ROM

*FLASH

EPROM

ROMMON

18

The router has been configured with a valid configuration file. Which of the following could be a cause for a router not booting normally? (Choose two.)

*The flash image is corrupt.

A console cable is disconnected.

The flash image is located in NVRAM.

The startup configuration file is incomplete.

*The router encountered a hardware error.

19

Which command will backup configuration files from RAM to NVRAM or a TFTP server?

backup

*copy

telnet

move

Chapter Test 6

1

What are some of the advantages of using a link-state routing protocol instead of a distance vector routing protocol? (Choose two.)

The topology database eliminates the need for a routing table.

Frequent periodic updates are sent to minimize the number of incorrect routes in the topological database.

**Routers have direct knowledge of all links in the network and how they are connected.

**After the inital LSA flooding, they generally require less bandwidth to communicate changes in a topology.

Link-state protocols require less router processor power than distance vector protocols.

2

Which two protocols use an addressing scheme to direct user traffic? (Choose two.)

**IP

EIGRP

**IPX

OSPF

RIP

3

All routers at a medium sized company have been upgraded. During the upgrade, the network administrator determined that a more advanced routing protocol using a combination of both distance vector and link state features should be implemented. Which protocol should be selected?

RIP

BGP

OSPF

**EIGRP

4

Assuming that the network shown in the graphic is converged and dynamic routing is enabled, which of the following conditions will cause a modification to the Orlando routing table? (Choose two.)

**The device connecting the S0 interface of the Tampa router to the serial link loses power.

**A network administrator shuts down the Orlando router E0 interface.

A DCHP server connected to the Tampa E1 network loses power.

The IP address of a workstation on the Orlando E0 network is reassigned.

A host on the Orlando E1 network transmits data to a server on the Tampa E1 network.

A Telnet connection to the Orlando router fails.

5

Given the command, RouterC(config)# ip route 197.5.2.0 255.255.255.0 192.10.1.1, what does the address 192.10.1.1 represent?

the source host

**the next hop router

the outbound interface

the destination network

6

Referring to the diagram, which commands will enable hosts on the Idaho E0 network to reach hosts on the E0 network of the Montana router? (Choose two.)

Montana(config)# ip route 172.31.5.0 255.255.255.0 172.31.5.1

**Montana(config)# ip route 172.31.3.0 255.255.255.0 172.31.4.1

Idaho(config)# ip route 172.31.5.0 255.255.255.0 172.31.4.1

**Idaho(config)# ip route 172.31.5.0 255.255.255.0 172.31.4.2

Idaho(config)# ip route 172.31.5.1 255.255.255.0 172.31.4.1

7

Describe the switching function that occurs in a router.

allows the router to make forwarding decisions based on Layer 2 addressing

uses network addressing to select the best route and interface to forward data

**accepts a packet on one interface and forwards it to a second interface

enables the router to select the most appropriate interface for forwarding a packet

8

Which type of address does a router use to make routing decisions?

source IP address

source MAC address

**destination IP address

destination MAC address

9

Which two statements describe autonomous systems? (Choose two.)

Interior gateway protocols are used between autonomous systems.

**Exterior gateway protocols are used between autonomous systems.

An autonomous system may be under the control of multiple organizations.

**An autonomous system is identified by a 16 bit number assigned by ARIN.

The autonomous system is identified in the network portion of the IP address.

10

Which of the following are valid static IP routes? (Choose three.)

RouterB(config)# ip route 192.168.5.0 255.255.255.0 S1

**RouterC(config)# ip route 192.168.1.0 255.255.255.0 S1

**RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.2.2

RouterB(config)# ip route 192.168.1.0 255.255.255.0 192.168.2.2

**RouterC(config)# ip route 192.168.2.0 255.255.255.0 192.168.4.1

RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.2.1

11

If dynamic routing is not configured on a router, how do routing table updates occur?

Link state advertisements are sent from other routers.

**Updates are made to the routing table by the administrator.

Best path information is communicated by network hosts.

The routing table is updated by neighboring routers.

12

What can be concluded about the routing process on a router if the commands router rip and network 192.5.5.0 have been issued? (Choose three.)

A distance vector routing protocol was used.

**A link-state routing protocol was used.

**Routing updates will broadcast every 30 seconds.

Routing updates will broadcast every 90 seconds.

**Hop count is the metric used for route selection.

Bandwidth, load, delay, and reliability are the metrics used for route selection.

13

Which are the primary functions used by a router when forwarding data?(Choose two.)

data encryption

error notification

**packet switching

address identification

**path determination

packet validation

14

Select the statements that describe link-state routing processes? (Choose three.)

**Each router develops its own map of the entire network.

**Routers send triggered updates when changes in the network occur.

**Link-state routing protocols place a higher load on router resources during the routing protocol initialization.

Link-state protocols are more prone to routing loops than distance vector routing protocols.

Networks using link-state routing protocols are slower to reach convergence after changes have occurred than those using distance vector protocols.

15

How does a router learn about routes to a network? (Choose three.)

**Information is gathered from its own configuration regarding directly connected networks.

Switches forward destination address information to each router.

Hosts communicate destination network information to each router.

**Other routers forward information about known networks.

**Routes are entered manually by a network administrator.

Routes are learned from information gathered from ARP tables.

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16

Which of the following conditions must be met in order for a network to have converged?

The routers in the network are operating with dynamic routing protocols.

The routers in the network are operating with compatible versions of IOS.

The routers in the network are operating with the same routing tables.

**The routers in the network are operating with consistent routing knowledge.

17

What is the purpose of a routing protocol?

It is used to build and maintain ARP tables.

It provides a method for segmenting and reassembling data packets.

It allows an administrator to devise an addressing scheme for the network.

**It allows a router to share information about known networks with other routers.

It provides a procedure for encoding and decoding data into bits for packet forwarding.

18

Why is fast convergence desirable in networks that use dynamic routing protocols?

Routers will not allow packets to be forwarded until the network has converged.

Hosts are unable to access their gateway until the network has converged.

**Routers may make incorrect forwarding decisions until the network has converged.

Routers will not allow configuration changes to be made until the network has converged.

19

Which is an exterior routing protocol commonly used between ISPs?

RIP

**BGP

OSPF

EIGRP

20

Which of the following statements are true regarding the command ip route 172.16.1.0 255.255.255.0 172.16.2.1? (Choose three.)

**This command is used to set up a static route.

This command is used to set up a default route.

**This command is entered from global configuration mode.

**All packets intended for network 172.16.1.0 will be sent to gateway 172.16.2.1.

All packets intended for network 172.16.2.1 will be sent to gateway 172.16.1.0.

21

Why is it necessary to specify a list of networks when configuring an interior routing protocol?

to tell the router how to reach those networks

**to tell the router which attached networks participate in routing updates

to tell the router which set of metrics to use for the attached networks

to tell the router which routing protocol to use

22

Which category of routing algorithms discovers and maintains a topological map of the entire internetwork?

static

Bellman-Ford

exterior gateway

Internetwork Packet Exchange

distance vector

**link-state

Chapter test 3

1

Which commands display information about the IOS or configuration files stored in router memory? (Choose three.)

Router# show ram

Router# show flash *

Router# show hosts

Router# show history

Router# show version *

Router# show startup-config *

2

Select the commands that will store the current configuration file to a network TFTP server? (Choose two.)

Router# copy run tftp

Router# copy tftp run

Router# copy running-config tftp *

Router# copy tftp running-config *

Router(config)# copy running-config tftp

Router(config)# copy tftp running-config

3

Router names are associated with IP addresses. What is the name of the table that is created by this association?

IP table

SAP table

ARP table

MAC table

HOST table *

RARP table

4

Select the correct sequence of commands that will configure “Engineering LAN” as the interface description on the Ethernet0 interface.

Router# configure terminal

Router(config)# interface e0 description Engineering LAN

Router# configure terminal *

Router(config)# interface e0 *

Router(config-if)# description Engineering LAN *

Router# configure terminal

Router(config)# interface e0

Router(config-if)# interface description Engineering LAN

Router# configure terminal

Router(config)# description Engineering LAN

5

What must be configured to establish a serial link between two routers that are directly connected?

a clock rate on the DTE interface

a no clock rate command on the DTE interface

no configuration is required

a clock rate on the DCE interface *

6

Which statements are true regarding the recommended use of login banners? (Choose two.)

They should be used to display information regarding system changes or maintenance. *

They should be used to display warnings to unauthorized users. *

They should be used to display welcome messages prior to login.

They should be seen only by system administrators.

They should provide confirmation of incoming IP addresses.

7

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

8

What are the default settings for a serial interface? (Choose three.)

DTE *

DCE

shutdown*

no IP address*

clock rate 56000

encapsulation ARPA

9

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)# ip address 201.100.53.1 255.255.255.224*

Sydney(config-if)# clock rate 56000*

Sydney(config-if)# ip host Melbourne 201.100.53.2

10

What is the default state of the interfaces on a router?

up, line protocol down

down, line protocol down*

adminstratively down, line protocol down

up, line protocol up

11

Which command sequence will permit access to all five router virtual terminal lines with a password of cisco?

Router(config-line)#config telnet

Router(config-line)# line vty 0 5

Router(config-line)# password cisco

Router(config)# line vty 0 4

Router(config)# password cisco

Router(config)# line vty 0 4*

Router(config-line)# password cisco

Router(config-line)# login

Router(config-line)# config telnet

Router(config-line)# password cisco

Router(config-line)# sessions 0 4

12

Select the commands necessary to remove any existing configuration on a router. (Choose two.)

delete flash

erase startup-config*

erase running-config*

restart

reload

delete NVRAM

13

Select the interface descriptions that provide the most appropriate information. (Choose two.)

circuit number

host IP address*

telnet password*

number of hops between routers

purpose and location of the interface

14

Select the recommended locations to save a running-config file. (Choose three.)

all network hosts

network server*

floppy disk*

TFTP server*

server that is not on the network

15

What will be the response from the router after the command, “router(config)# hostname portsmouth” is entered?

portsmouth#

portsmouth(config)#*

invalid input detected

router(config-host)#

hostname = portsmouth

portsmouth#

? command not recognized

router(config)#

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16

A network administrator wants to assure that any password that permits access to the privileged EXEC mode is not shown in plain text in the configuration files. Which commands will accomplish this task? (Choose two.)

Router(config)#enable cisco secret

Router(config)#enable cisco

*Router(config)#service password-encryption

*Router(config)#enable secret cisco

Router(config)#encrypt-all cisco

Router(config)#service encryption-password

17

What is the effect of the command ip host HQ 192.1.1.1?

permits a ping to 192.1.1.1 with the command ping HQ

assigns the description HQ to the interface with the ip address 192.1.1.1

renames the router as HQ

defines a static route to the host 192.1.1.1

configures the remote device HQ with the ip address of 192.1.1.1

18

An IP network is to be added to a router Ethernet interface. What steps must be performed to configure this interface to allow connectivity to the hosts on this LAN? (Choose two.)

*Enter the command no shutdown.

A password must be set on the interface.

The interface DCE clock rate must be set.

The interface must be configured for virtual terminal access.

*The interface must be configured with an IP address and subnet mask.

The router must be put in setup mode in order for the interface to be configured.

19

Why is it important to create standards for network consistency? (Choose three.)

*reduces network complexity

increases unplanned downtime

*limits unplanned downtime

increases bandwidth by regulating networking performance

limits events that may impact network performance

20

Which are valid router prompts? (Choose three.)

Router(privileged)#

*Router(config)#

Router(command)#

*Router(config-router)#

*Router(config-if)#

Router(exec)#

21

A telnet session can be established when using the IP address of a router but not the name of the router. Which of the following is the most likely cause of the problem?

*an incorrect host table entry

an incorrect ARP table entry

an incorrect routing table entry

an incorrect protocol configured

an incorrect subnet mask

22

Which command turns on a router interface?

Router(config-if)# enable

Router(config-if)# no down

Router(config-if)# s0 active

Router(config-if)# interface up

*Router(config-if)# no shutdown