Question

What are characteristics of Network based IDS?

(a) They look for attack signatures in network traffic

(b) Filter decides which traffic will not be discarded or passed

(c) It is programmed to interpret a certain series of packet

(d) It models the normal usage of network as a noise characterization

I have been asked this question in a national level competition.

This question is from Security topic in division Security of Operating System

Answer 1

Correct choice is (a) They look for attack signatures in network traffic

The best I can explain: None.