Explanation:
The word NOT is the keyword used in the question. You need to find out a statement which is not applicable to smoke detector. Smoke detector should supplement, not replace, fire suppression system.
For CISA exam you should know below information about smoke detector.
The Smoke detectors should be above and below the ceiling tiles throughout the facilities and below the raised computer room floor.
The smoke detector should produce an audible alarm when activated be linked to a monitored station
The location of the smoke detector should be marked on the tiling for easy identification and access.
Smoke detector should supplement, not replace, fire suppression system
The following were incorrect answers:
The other presented options are valid statement about smoke detector.
Reference:
CISA review manual 2014 Page number373