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".