Maine Security Officer Practice Exam

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What is a motion detector primarily used for?

A device that detects movement

A motion detector is primarily used to sense movement within a designated area. It operates by identifying changes in the environment, such as the movement of a person or object in its vicinity. This capability allows it to trigger alerts, alarms, or other responses when movement is detected, making it an essential component in security systems.

While a communication tool, an access control mechanism, and a surveillance camera serve specific functions within security systems, they do not primarily focus on the detection of movement itself. Communication tools are meant for exchanging information, access control mechanisms manage who can enter specific areas, and surveillance cameras record visual information. The key distinction of motion detectors lies in their capability to immediately sense and respond to movement, which is crucial for alerting security personnel to potential intrusions or unauthorized activity.

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A communication tool

An access control mechanism

A surveillance camera

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