Rick, the Network Administrator of the Fimbry Hardware Inc., wants to design the initial test model
for Internet Access. He wants to fulfill the following goals:
·No external traffic should be allowed into the network.
·Administrators should be able to restrict the websites which can be accessed by the internal
users.
Which of the following technologies should he use to accomplish the above goals?
(Click the Exhibit button on the toolbar to see the case study.)

A.
Firewall

B.
Network Address Translator (NAT)

C.
Proxy Server

D.
Internet Connection Sharing (ICS)

E.
Routing and Remote Access Service (RRAS)

Explanation: