Which two statements describe the functions and operations of IDS and IPS systems？（）

A、A network administrator entering a wrong password would generate a true-negative alarm.

B、A false positive alarm is generated when an IDS/IPS signature is correctly identified.

C、An IDS is significantly more advanced over IPS because of its ability to prevent network attacks.

D、Cisco IDS works inline and stops attacks before they enter the network.

E、Cisco IPS taps the network traffic and responds after an attack.

F、Profile-based intrusion detection is also known as "anomaly detection".