Name three NAT concepts and briefly describe PAT.

• A. Address translation; NAT overload (PAT) uses a single public IP with port translation; dynamic NAT maps a pool of public addresses to a private network
• B. DNS resolution; PAT uses multiple public IPs; static NAT maps to a single IP
• C. Address translation; NAT overload (PAT) uses a single public IP with port translation; static NAT maps private to public one-to-one
• D. Subnetting; PAT divides subnets; static NAT maps public to private multiple-to-one

Answer: (C)