Computer Networking
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.

3 only
2 and 4
1, 2 and 4
All of these

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

Multiple remote host or applications accessed by a single local access circuit terminal and circuit
All of these
None of these
widely dispersed terminals and access to international packets switched services
bursty traffic and low communications intensity

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