The MAIN difference between an IDS and an IPS is the:

The MAIN difference between an IDS and an IPS is the:

A.
IPS blocks malicious activity while the IDS only alerts about malicious activity.

B.
IDS blocks malicious activity while the IPS only alerts about malicious activity.

C.
IDS uses a deterministic engine while the IPS uses probabilistic engine.

D.
IDS is an inline system while the IPS is placed on a span port and has no IP address.