Networking - Managing a Cisco Internetwork

Exercise :: Managing a Cisco Internetwork - Managing a Cisco Internetwork

  • Managing a Cisco Internetwork - Managing a Cisco Internetwork
11. 

Which command displays the configuration register setting?

A. show ip route
B. show boot version
C. show version
D. show flash

Answer: Option C

Explanation:

The show version command provides you with the current configuration register setting.

12. 

What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation?

A. 0x2100
B. 0x2101
C. 0x2102
D. 0x2142

Answer: Option C

Explanation:

All Cisco routers have a default configuration register setting of 0x2102, which tells the router to load the IOS from flash memory and the configuration from NVRAM.

13. 

You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?

A. You must type the show ip rip command first.
B. IP addressing on the network is incorrect.
C. You must use the terminal monitor command.
D. Debug output is sent only to the console.

Answer: Option C

Explanation:

To see console messages through your Telnet session, you must enter the terminal monitor command.

14. 

What does the command o/r 0x2142 provide?

A. It is used to restart the router.
B. It is used to bypass the configuration in NVRAM.
C. It is used to enter ROM Monitor mode.
D. It is used to view the lost password.

Answer: Option B

Explanation:

The default configuration setting is 0x2102, which tells the router to load the IOS from flash and the configuration from NVRAM. 0x2142 tells the router to bypass the configuration in NVRAM so that you can perform password recovery.

15. 

You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

A. You didn't boot the router with the correct command.
B. NVRAM is corrupted.
C. The configuration register setting is incorrect.
D. The newly upgraded IOS is not compatible with the hardware of the router.

Answer: Option C

Explanation:

If you save a configuration and reload the router and it comes up either in setup mode or as a blank configuration, chances are you have the configuration register setting incorrect.