ELECTRONIC SECURITY TECHNICIAN
CERTIFICATION EXAM QUESTION AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
INSTANT DOWNLOAD PDF
1. What is the primary function of an access control system?
A. Monitor temperature
B. Control lighting
C. Restrict and manage entry to secured areas
D. Detect fire
Correct answer: Restricting and managing entry is the core purpose of
access control systems.
2. Which component stores user credentials in an access control system?
A. Reader
B. Door strike
C. Controller
D. Power supply
Correct answer: The controller stores and processes credential data and
access rules.
3. What type of credential uses radio frequency for communication?
A. Magnetic stripe card
B. Barcode card
C. Proximity card
D. Mechanical key
Correct answer: Proximity cards use RF signals to communicate with
readers.
,4. Which device converts AC power to DC power for security systems?
A. Transformer
B. Battery
C. Power supply
D. Inverter
Correct answer: Power supplies convert incoming AC to regulated DC
power.
5. What is the purpose of an electric door strike?
A. Detect door position
B. Unlock a door electronically
C. Record video
D. Sense motion
Correct answer: Electric strikes release the latch to allow door opening.
6. Which fire alarm device detects rapid temperature rise?
A. Smoke detector
B. Rate-of-rise heat detector
C. Fixed temperature detector
D. Flame detector
Correct answer: Rate-of-rise detectors respond to rapid increases in
temperature.
7. What does CCTV stand for?
A. Central Control Television
B. Closed Circuit Transmission Video
C. Closed Circuit Television
D. Continuous Camera Television
Correct answer: CCTV refers to video systems with signals not publicly
distributed.
8. Which camera type performs best in low-light conditions?
A. Fixed lens camera
B. Infrared (IR) camera
C. Box camera
D. PTZ camera
Correct answer: IR cameras are designed for low or no light environments.
, 9. What is the main purpose of a motion detector in intrusion systems?
A. Measure humidity
B. Detect sound
C. Sense movement within an area
D. Control doors
Correct answer: Motion detectors trigger alarms when movement is
detected.
10.Which motion detector technology uses infrared energy?
A. Microwave
B. Ultrasonic
C. Passive Infrared (PIR)
D. Dual-tech only
Correct answer: PIR sensors detect changes in infrared heat patterns.
11.What does a balanced magnetic switch monitor?
A. Temperature
B. Door or window status
C. Motion
D. Sound
Correct answer: Magnetic switches monitor open/closed conditions.
12.Which cable is most commonly used for Ethernet-based security devices?
A. RG59
B. Cat6
C. Coaxial hardline
D. Fiber single-mode only
Correct answer: Cat6 is standard for IP-based security systems.
13.What is PoE in security systems?
A. Power over Equipment
B. Power over Ethernet
C. Protocol of Encryption
D. Point of Entry
Correct answer: PoE delivers power and data through Ethernet cables.
14.Which device allows multiple cameras to be viewed and recorded digitally?
A. Encoder
CERTIFICATION EXAM QUESTION AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
INSTANT DOWNLOAD PDF
1. What is the primary function of an access control system?
A. Monitor temperature
B. Control lighting
C. Restrict and manage entry to secured areas
D. Detect fire
Correct answer: Restricting and managing entry is the core purpose of
access control systems.
2. Which component stores user credentials in an access control system?
A. Reader
B. Door strike
C. Controller
D. Power supply
Correct answer: The controller stores and processes credential data and
access rules.
3. What type of credential uses radio frequency for communication?
A. Magnetic stripe card
B. Barcode card
C. Proximity card
D. Mechanical key
Correct answer: Proximity cards use RF signals to communicate with
readers.
,4. Which device converts AC power to DC power for security systems?
A. Transformer
B. Battery
C. Power supply
D. Inverter
Correct answer: Power supplies convert incoming AC to regulated DC
power.
5. What is the purpose of an electric door strike?
A. Detect door position
B. Unlock a door electronically
C. Record video
D. Sense motion
Correct answer: Electric strikes release the latch to allow door opening.
6. Which fire alarm device detects rapid temperature rise?
A. Smoke detector
B. Rate-of-rise heat detector
C. Fixed temperature detector
D. Flame detector
Correct answer: Rate-of-rise detectors respond to rapid increases in
temperature.
7. What does CCTV stand for?
A. Central Control Television
B. Closed Circuit Transmission Video
C. Closed Circuit Television
D. Continuous Camera Television
Correct answer: CCTV refers to video systems with signals not publicly
distributed.
8. Which camera type performs best in low-light conditions?
A. Fixed lens camera
B. Infrared (IR) camera
C. Box camera
D. PTZ camera
Correct answer: IR cameras are designed for low or no light environments.
, 9. What is the main purpose of a motion detector in intrusion systems?
A. Measure humidity
B. Detect sound
C. Sense movement within an area
D. Control doors
Correct answer: Motion detectors trigger alarms when movement is
detected.
10.Which motion detector technology uses infrared energy?
A. Microwave
B. Ultrasonic
C. Passive Infrared (PIR)
D. Dual-tech only
Correct answer: PIR sensors detect changes in infrared heat patterns.
11.What does a balanced magnetic switch monitor?
A. Temperature
B. Door or window status
C. Motion
D. Sound
Correct answer: Magnetic switches monitor open/closed conditions.
12.Which cable is most commonly used for Ethernet-based security devices?
A. RG59
B. Cat6
C. Coaxial hardline
D. Fiber single-mode only
Correct answer: Cat6 is standard for IP-based security systems.
13.What is PoE in security systems?
A. Power over Equipment
B. Power over Ethernet
C. Protocol of Encryption
D. Point of Entry
Correct answer: PoE delivers power and data through Ethernet cables.
14.Which device allows multiple cameras to be viewed and recorded digitally?
A. Encoder
