ISC2 Exam ISSAP Topic 4 Question 20 Discussion

device that experiences changes in the levels of visible lights of the motioned area. It is placed in those internal rooms that do not have any

windows and are totally in darkness.

Answer option B is incorrect. A badge is a device or accoutrement that is presented or displayed to indicate some feat of service, a special

accomplishment, a symbol of authority granted by taking an oath, a sign of legitimate employment or student status, or as a simple means of

identification. It is also used in advertising, publicity, and for branding purposes.

A badge can be made from metal, plastic, leather, textile, rubber, etc., and it is commonly attached to clothing, bags, footwear, vehicles, home

electrical equipment, etc.

Answer option D is incorrect. An alarm is a device that triggers a deterrent, a repellent, and a notification.

Answer option C is incorrect. Closed-circuit television (CCTV) is a device that uses video cameras to transmit a signal to a specific place, on a

limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point

wireless links. CCTV is often used for surveillance in areas that may need monitoring such as banks, casinos, airports, military installations,

and convenience stores.