Systems Security Certified Practitioner (SSCP) — Question 88

Which of the following is NOT a type of motion detector?

Answer options

• A. Photoelectric sensor
• B. Passive infrared sensors
• C. Microwave Sensor.
• D. Ultrasonic Sensor.

Correct answer: A

Explanation

The correct answer is A, as a photoelectric sensor primarily detects changes in light rather than motion. The other options, such as Passive infrared sensors, Microwave Sensors, and Ultrasonic Sensors, are all types of devices specifically designed to detect motion.