Computer Science for IGCSE & O level - Data Transmission (Section 1 - No. 33)
What best describes the function of an 'Intrusion Detection System (IDS)'?
To stop any and all network traffic.
To detect malicious activity and log security events.
To provide a physical connection to the internet.
To prevent any network communication.
Explication
An intrusion detection system monitors network activity and alerts administrators to potential security threats.