What happens when computers on a private network attempt to connect to the Internet through a
Cisco router running PAT?

A.
The router uses the same IP address but a different TCP source port number for each
connection.

B.
An IP address is assigned based on the priority of the computer requesting the connection.

C.
The router selects an address from a pool of one-to-one address mappings held in the lookup
table.

D.
The router assigns a unique IP address from a pool of legally registered addresses for the
duration of the connection.

Explanation: