What is a difference between signature-based and behavior-based detection? 

Answer options:

A. Signature-based identifies behaviors that may be linked to attacks, while behavior-based has a predefined set of rules to match before an alert.
B. Behavior-based identifies behaviors that may be linked to attacks, while signature-based has a predefined set of rules to match before an alert.
C. Behavior-based uses a known vulnerability database, while signature-based intelligently summarizes existing data.
D. Signature-based uses a known vulnerability database, while behavior-based intelligently summarizes existing data.

D

Reference: https://accedian.com/blog/what-is-the-difference-between-signature-based-and-behavior-based-ids/