What is used to remap private addresses to public addresses and back?

A.
DNS

B.
DHCP

C.
WINS

D.
NAT

Explanation:
Network Address Translation

Network address translation (NAT) is the process of modifying an IP address while it is in transit across a router, computer, or similar device. This is
usually so one larger address space (private) can be remapped to another address space, or perhaps remapped to a single public IP address.