What can firewalls do to help ensure that a packet is denied if it's not part of an ongoing legitimate conversation?
A) intrusion detection
B) MAC filtering
C) content filter
D) stateful packet inspection

Question

Quizplus · Accepted Answer

Firewalls can perform stateful packet inspection to analyze each packet in relation to the previous traffic in the communication stream. This allows the firewall to identify and deny any packet that is not part of an ongoing legitimate conversation. Intrusion detection, MAC filtering, and content filters are not specifically designed to distinguish between ongoing legitimate conversations and unrelated traffic.

What Can Firewalls Do to Help Ensure That a Packet