EXAM QUESTIOS AND CORRECT ANSWERS
(VERIFIED ANSWRS) Q&A 2027 |INSTANT
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1. What is the primary purpose of a burglar alarm system?
A. Provide entertainment services
B. Detect unauthorized entry and alert appropriate parties
C. Control building temperature
D. Replace security personnel
Correct Answer: B
Rationale: Burglar alarm systems are designed to detect
intrusion and notify occupants, monitoring centers, or
authorities.
2. Which component detects the opening of a protected door
or window?
A. Motion detector
B. Glass-break sensor
C. Magnetic contact
D. Smoke detector
,Correct Answer: C
Rationale: Magnetic contacts detect separation between a
magnet and sensor when doors or windows open.
3. What does CCTV stand for?
A. Central Control Television
B. Closed-Circuit Television
C. Controlled Camera Tracking Viewer
D. Computer Camera Television
Correct Answer: B
Rationale: CCTV refers to video surveillance systems that
transmit signals to specific monitors or recording devices.
4. Which device detects movement using infrared energy?
A. PIR detector
B. Keypad
C. Siren
D. Transformer
Correct Answer: A
Rationale: Passive Infrared (PIR) sensors detect changes in
infrared radiation caused by moving objects.
5. What is the function of an alarm control panel?
,A. Store video recordings only
B. Process signals from security devices and activate responses
C. Supply water to sprinklers
D. Replace all sensors
Correct Answer: B
Rationale: The control panel is the central processing unit of an
alarm system.
6. What is the purpose of an alarm keypad?
A. Provide user interface for arming and disarming
B. Detect smoke
C. Provide electrical grounding
D. Increase camera resolution
Correct Answer: A
Rationale: Keypads allow authorized users to operate and
program alarm systems.
7. Which device produces an audible warning during an alarm
condition?
A. Siren
B. Transformer
C. Resistor
D. Relay
, Correct Answer: A
Rationale: Sirens alert occupants and discourage intruders.
8. What does a normally closed (NC) circuit mean?
A. Circuit remains open during normal operation
B. Circuit is closed when no alarm condition exists
C. Circuit cannot carry current
D. Circuit has no resistance
Correct Answer: B
Rationale: NC circuits are commonly used in alarm systems
because opening the circuit can indicate a fault or alarm.
9. What is the purpose of an end-of-line resistor (EOL)?
A. Increase voltage output
B. Supervise wiring integrity
C. Replace batteries
D. Improve camera images
Correct Answer: B
Rationale: EOL resistors allow control panels to detect wiring
faults and tampering.
10. What is a false alarm?