Which of the following is NOT a characteristic of a host-based intrusion detection system?

A HIDS does not consume large amounts of system resources is the correct choice. HIDS can consume inordinate amounts of CPU and system resources in order to function effectively, especially during an event.

All the other answers are characteristics of HIDSes

A HIDS can:

scrutinize event logs, critical system files, and other auditable system resources;

look for unauthorized change or suspicious patterns of behavior or activity

can send alerts when unusual events are discovered