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

Answer: Option A

Solution(By Examveda Team)

The most popular use of NAT is if you want to connect to the Internet and you don't want hosts to have global (real) IP addresses, but option B and D are correct as well.