Networking - Network Address Translation - Discussion

Discussion :: Network Address Translation - Network Address Translation (Q.No.15)

15. 

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

Answer: Option A

Explanation:

NAT is not perfect and can cause some issues in some networks, but most networks work just fine. NAT can cause delays and troubleshooting problems, and some applications just won't work.

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