Networking - Network Address Translation - Discussion

Discussion :: Network Address Translation - Network Address Translation (Q.No.13)

13. 

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

Answer: Option D

Explanation:

NAT is not perfect, but there are some advantages. It conserves global addresses, which allow us to add millions of hosts to the Internet without "real" IP addresses. This provides flexibility in our corporate networks. NAT can also allow you to use the same subnet more than once in the same network without overlapping networks.

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