Which of the following security devices is presented to indicate some feat of service, a special accomplishment, a symbol of authority…?

Which of the following security devices is presented 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?

Which of the following security devices is presented 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?

A.
Sensor

B.
Alarm

C.
Motion detector

D.
Badge

Explanation:
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 A is incorrect. A sensor is a device that measures a physical quantity and converts it
into a signal that can be read by an
observer or by an instrument.
Answer option C is incorrect. A motion detector is a device that contains a physical mechanism or
electronic sensor that quantifies motion that
can be either integrated with or connected to other devices that alert the user of the presence of a
moving object within the field of view.
They form a vital component of comprehensive security systems, for both homes and businesses.
Answer option B is incorrect. An alarm is a device that triggers a deterrent, a repellent, and a
notification.



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