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

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

A.
DNS

B.
DHCP

C.
WINS

D.
NAT

Explanation:
Section Reference: 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.