A(n)________ firewall examines each part of the message and decides whether it will let that part pass through to the network.
A)perimeter
B)internal
C)packet-filtering
D)ACL

Question

Quizplus · Accepted Answer

A packet-filtering firewall examines each packet in a message and decides whether to allow or block it based on a set of predefined rules. This type of firewall is less expensive and less resource-intensive than an application-level firewall but provides less protection against more sophisticated attacks. Perimeter firewalls typically include packet filtering as well, but the three other choices (perimeter, internal, and ACL) do not provide as accurate of a description of this type of firewall.

A(n)________ Firewall Examines Each Part of the Message and Decides