A technician has been hired to install a local area network (LAN) in a home. All of the
computers need access to the Internet via a router. Security is a major concern.
Which of the following recommendations should the technician make to provide the best
security for the homeowner?

A.
Install a firewall.

B.
Use a wireless network.

C.
Enable password protection on all directions.

D.
Configure network address translation (NAT) on the router.