Networking - Network Address Translation

Exercise :: Network Address Translation - Network Address Translation

  • Network Address Translation - Network Address Translation
16. 

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

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

Answer: Option D

Explanation:

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

17. 

Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?

A. ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.240
B. ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224
C. ip nat pool todd 171.16.10.65 171.16.10.94 net 255.255.255.224
D. ip nat pool Todd 171.16.10.1 171.16.10.254 net 255.255.255.0

Answer: Option B

Explanation:

The command ip nat pool <name> creates the pool that hosts can use to get onto the global Internet. What makes option B correct is that the range 171.16.10.65 through 171.16.10.94 includes 30 hosts, but the mask has to match 30 hosts as well, and that mask is 255.255.255.224. Option C is wrong because the pool name has a lower case "T" in the pool name. Pool name's are case sensitive.

18. 

Which command will clear all the translations active on your router?

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

Answer: Option D

Explanation:

The command clear ip nat translations * will clear all the active NAT entries in your translation table.

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