Which statement best describes NAT and PAT?

• A. NAT translates private addresses to public addresses; PAT uses port numbers to multiplex multiple internal addresses on a single public IP.
• B. NAT translates public addresses to private addresses; PAT uses port numbers to multiplex multiple internal addresses on a single public IP.
• C. NAT translates private addresses to private addresses; PAT uses port numbers to multiplex multiple internal addresses on a single public IP.
• D. NAT uses port numbers to multiplex addresses; PAT translates addresses without using ports.

Answer: (A)