CompTIA 220-801 Certification Practice Test

Answer - D - Network Address Translation (NAT) allows an organization to present a single address to the Internet.

Key Takeaway: Network Address Translation is the process of modifying network address information in datagram packet headers for the purpose of remapping a given address space into another. The NAT router maps all inbound and outbound requests and maintains a table for returned messages. It helps improve security by reusing IP addresses.