CEDIA ESPA EST Practice Test

Answer - C - NAT allows multiple internal nodes to share a single external IP address.

Key Takeaway: Network Address Translation, or NAT, is the process of modifying network address information in IP packet headers across a traffic routing device to remap a given address space into another. It involves rewriting the source and/or destination IP addresses and the TCP/UDP port numbers of IP packets as they pass through the NAT.