Chapter Four: Router CLI

Question 1:

Which response to the appropriate show command indicates an operational serial link?

A. Serial1 is up, line protocol is up

B. Serial1 is up, line protocol is down

C. Serial1 is down, line protocol is down

D. Serial1 is administratively down, line protocol is down

Question 2:

Which Cisco IOS command is used to show current telnet connections?

A. show telnet

B. show history

C. show version

D. show sessions

Question 3:

The show interface serial Cisco IOS router command can display which one of the following lines of information?

A. DecNET routing is enabled.

B. System image file is c4500-j-mz.

C. Serial1 is up, line protocol is up.

D. IOS ™ 4500 Software (C4500-J-M), Experimental Version.

Question 4:

Which command shows the status of Ethernet, Serial, BRI, and other ports?

A. show version

B. show interfaces

C. show running-config

D. show startup-config

Question 5:

Which port is used to initially configure a router?

A. Auxiliary

B. Console

C. Serial

D. BRI

Question 6:

Which Cisco IOS command shows the amount of NVRAM memory used for the backup configuration file?

A. show mem

B. show flash

C. show running-config

D. show startup-config

Question 7:

Which router component provides working memory for configuration files and routing tables?

A. RAM

B. ROM

C. Flash

D. NVRAM

Question 8:

Which router component is responsible for the power-on bootstrap sequence?

A. RAM

B. ROM

C. Flash

D. NVRAM

Question 9:

Which external configuration source is used with a modem?

A. TFTP Server

B. Auxiliary Port

C. Console Terminal

D. Virtual Terminal

Question 10:

What is the correct command to go from the user EXEC mode to the privileged EXEC mode?

A. login

B. enable

C. interface type number

D. configure terminal

Question 11:

Someone got into a router configuration file and changed the password to access privileged mode. Which mode on the router enables you to recover passwords?

A. SETUP

B. RXBOOT

C. Privileged EXEC

D. Global configuration

Question 12:

What is the router prompt for the interface configuration mode?

A. Router(config)#

B. Router(config-if)#

C. Router(config-line)#

D. Router(config-router)#

Question 13:

Which command displays information about the current Cisco IOS software version running on a router?

A. show stacks

B. show version

C. show interface

D. show startup-config

Question 14:

What is stored in working RAM and is constantly updated when the router is working properly?

A. IOS

B. Command Executive

C. Routing Table

D. Active Configuration File

Question 15:

What is the function of the CDP show command?

A. It displays information about any CDP-enabled router on the network B. It displays information on a console connected to any node in the network C. It helps evaluate delays over network paths and path-to-host reliability D. It identifies neighboring routers’ host names and IP addresses Question 16: