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Multiple Choice

In NAT terminology, which address represents the public IP after translation that is seen on the external network?

The main idea here is the address that NAT exposes to the outside world after translation. After a private inside-local address is translated for use on the Internet, the resulting address that external networks see is the Inside Global. This is why the Internet routers and servers recognize the source as a globally routable address belonging to the inside network, not the private one. For example, a host with a private IP like 192.168.1.5 (inside local) might appear as 203.0.113.10 (inside global) on the external network. The other terms describe other views: inside local is the private address before translation, outside global is the public address of the outside host as seen on the Internet, and outside local is how the outside host appears from the inside network.

The main idea here is the address that NAT exposes to the outside world after translation. After a private inside-local address is translated for use on the Internet, the resulting address that external networks see is the Inside Global. This is why the Internet routers and servers recognize the source as a globally routable address belonging to the inside network, not the private one.

For example, a host with a private IP like 192.168.1.5 (inside local) might appear as 203.0.113.10 (inside global) on the external network. The other terms describe other views: inside local is the private address before translation, outside global is the public address of the outside host as seen on the Internet, and outside local is how the outside host appears from the inside network.