The ____ firewall is essentially a router that has been programmed to filter out certain IP addresses or TCP port numbers.
A) proxy server
B) switch
C) packet filter
D) hub

Question

Quizplus · Accepted Answer

The packet filter firewall examines each packet that passes through and determines whether to allow or block it based on certain criteria such as IP addresses, port numbers, and protocols. Unlike a proxy server, it does not modify or redirect traffic, and unlike a switch or hub, it can selectively block traffic based on the defined rules.

The ____ Firewall Is Essentially a Router That Has Been