Which of the following features will a firewall MOST likely use to detect and prevent malicious

traffic on the network?

A.
Zone filtering

B.
Signature identification

C.
Port identification

D.
Port scanner

Explanation:

Signature-based detection really is more along the lines of intrusion detection than firewalls.
However, many personal firewalls and some corporate firewalls contain this functionality.
Essentially, the system can be configured to look for specific patterns, known to be malicious, and
block the traffic