Which of the following does a firewall perform?
A) Examines each message that wants entrance to the network
B) Blocks messages without the correct markings from entering the network
C) Detects computers communicating with the Internet without approval
D) All of the above

Question

Quizplus · Accepted Answer

A firewall performs all of the listed actions: examining each message that wants entrance to the network, blocking messages without the correct markings from entering the network, and detecting computers communicating with the Internet without approval.

Which of the Following Does a Firewall Perform