Networking - Network Address Translation

Exercise :: Network Address Translation - Network Address Translation

  • Network Address Translation - Network Address Translation
6. 

Which of the following would be a good starting point for troubleshooting if your router is not translating?

A. Reboot.
B. Call Cisco.
C. Check your interfaces for the correct configuration.
D. Run the debug all command.

Answer: Option C

Explanation:

In order for NAT to provide translation services, you must have ip nat inside and ip nat outside configured on your router's interfaces.

7. 

Which command will show you the summary of the NAT configuration?

A. show ip nat translations
B. show ip nat statistics
C. debug ip nat
D. clear ip nat translations *

Answer: Option B

Explanation:

The show ip nat statistics command displays a summary of the NAT configuration as well as counts of active translation types, hits to an existing mapping, misses (causing an attempt to create a mapping), and expired translations.

8. 

Which of the following is considered to be the destination host before translation?

A. Inside local
B. Outside local
C. Inside global
D. Outside global

Answer: Option B

Explanation:

The host on the global network before translation is considered to be an outside local host.

9. 

Which of the following is considered to be the address after translation?

A. Inside local
B. Outside local
C. Inside global
D. Outside global

Answer: Option C

Explanation:

The host on the private network after translation is considered to be an inside global host.

10. 

Which are considered the methods of NAT?

  1. Static
  2. IP NAT pool
  3. Dynamic
  4. NAT double-translation
  5. Overload

A. 1 and 6
B. 3 only
C. 1, 3 and 5
D. All of the above

Answer: Option C

Explanation:

You can configure NAT three ways on a Cisco router: static, dynamic, and NAT Overload (PAT).