CISSP Practice question #102

An infrared motion detector uses what to detect movement?
A: Heat.
B: Pulses.
C: Light.
D: Sound.

CBK 3: Security Engineering
Source: practice tests


A: Infrared sensors detect changes in heat signatures.

show less

IT security trainer.
Sharing my knowledge, to help you reach your IT certification goals.
CISSP, C|EH, PMP, CCNP, CompTIA Security+, SCP, CCNA-Security, CCNA, et. Al.

You may also like


Leave a Reply