Which statement about IDS/IPS design is correct?

Which statement about IDS/IPS design is correct?

A.
An IPS should be deployed if the security policy does not support the denial of traffic.

B.
An IDS analyzes a copy of the monitored traffic and not the actual forwarded packet.

C.
Traffic impact considerations are increased when deploying an IDS over an IPS sensor.

D.
Bandwidth considerations must be taken into account since IDS is deployed inline to traffic
flow.