Network Address Translation

Q1: Which command would you place on interface on a private network?

A ip nat inside

B ip nat outside

C ip outside global

D ip inside local

Q2: 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

Q3:
Which of the following are disadvantages of using NAT?
  1. Translation introduces switching path delays.
  2. Conserves legally registered addresses.
  3. Causes loss of end-to-end IP traceability.
  4. Increases flexibility when connecting to the Internet.
  5. Certain applications will not function with NAT enabled.
  6. Reduces address overlap occurrence.

A 1, 3 and 5

B 3 and 4

C 2, 4 and 5

D 1 and 3

Q4: 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

Q5: Which of the following is considered to be the address before translation?

A Inside local

B Outside local

C Inside global

D Outside global

Q6: Port Address Translation is also termed what?

A NAT Fast

B NAT Static

C NAT Overload

D Overloading Static

Q7: Which command will allow you to see real-time translations on your router?

A show ip nat translations

B show ip nat statistics

C debug ip nat

D clear ip nat translations *

Q8:
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

Q9: 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 *

Q10: Which command will show you 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 *

Q11: Which of the following is considered to be the address after translation?

A Inside local

B Outside local

C Inside global

D Outside global

Q12: Which command would you place on interface connected to the Internet?

A ip nat inside

B ip nat outside

C ip outside global

D ip inside local

Q13: 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

Q14:
Which of the following would be good reasons to run NAT?
  1. You need to connect to the Internet and your hosts don't have globally unique IP addresses.
  2. You change to a new ISP that requires you to renumber your network.
  3. You don't want any hosts connecting to the Internet.
  4. You require two intranets with duplicate addresses to merge.

A 1, 2 and 4

B 2 and 4

C 3 only

D All of the above

Q15:
Which of the following are advantages of using NAT?
  1. Translation introduces switching path delays.
  2. Conserves legally registered addresses.
  3. Causes loss of end-to-end IP traceability.
  4. Increases flexibility when connecting to the Internet.
  5. Certain applications will not function with NAT enabled.
  6. Reduces address overlap occurrence.

A 1, 3 and 4

B 3, 5 and 6

C 5 and 6

D 2, 4 and 6

Q16: 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.

Q17: 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 *

Q18:
When creating a pool of global addresses, which of the following can be used instead of the netmask command?

A
/ (slash notation)

B prefix-length

C no mask

D block-size


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