An administrator wishes to hide the network addresses of an internal network when connecting to
the Internet. The MOST effective way to mask the network address of the users would be by
passing the traffic through a:

A.
stateful firewall

B.
packet-filtering firewall

C.
NIPS

D.
NAT

Explanation:
NAT serves as a basic firewall by only allowing incoming traffic that is in response to an internal
system’s request.