AR SEC Security Systems Contractor
Exam Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. What is the primary purpose of a security system in a commercial
building?
A. Reduce energy costs
B. Protect people and property
C. Improve aesthetics
D. Automate lighting
Answer: B
Rationale: The main purpose of a security system is to protect occupants,
assets, and property from theft, vandalism, or other threats.
2. Which component of an access control system stores user credentials?
A. Reader
B. Controller
C. Door strike
D. Keypad
Answer: B
Rationale: The controller processes and stores access credentials, verifying
users before granting access.
3. What is the standard color code for a fire alarm circuit?
A. Green
B. Yellow
, C. Red
D. Blue
Answer: C
Rationale: Fire alarm circuits are typically marked red for easy
identification in compliance with safety codes.
4. In CCTV systems, what does “DVR” stand for?
A. Digital Video Receiver
B. Digital Video Recorder
C. Direct Video Relay
D. Dual Video Router
Answer: B
Rationale: A DVR records analog or IP camera footage for later playback
and review.
5. What is the main difference between an analog and IP camera?
A. Resolution
B. Transmission method
C. Lens type
D. Mounting method
Answer: B
Rationale: IP cameras transmit video data over a network, whereas analog
cameras use coaxial cables.
6. Which type of sensor is commonly used to detect motion in security
systems?
A. Heat sensor
B. Passive infrared (PIR) sensor
C. Pressure sensor
D. Smoke detector
Answer: B
Rationale: PIR sensors detect infrared energy changes caused by movement,
making them ideal for motion detection.
, 7. What is the typical voltage for electronic door strikes?
A. 12V AC
B. 24V DC
C. 12V DC
D. 5V DC
Answer: C
Rationale: Most electronic strikes operate on 12V DC to balance safety,
efficiency, and compatibility.
8. Which communication protocol is commonly used for IP cameras?
A. SMTP
B. FTP
C. ONVIF
D. HTTP
Answer: C
Rationale: ONVIF ensures interoperability between IP cameras and network
devices regardless of brand.
9. In alarm systems, what is the purpose of a “zone”?
A. Define camera angles
B. Segment areas for detection
C. Manage network traffic
D. Store video footage
Answer: B
Rationale: Zones allow the system to monitor specific areas independently
and trigger alerts appropriately.
10. Which type of backup power is essential for security systems
during outages?
A. Solar panels
B. Uninterruptible Power Supply (UPS)
C. Gas generator
D. Battery-operated flashlights
Exam Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. What is the primary purpose of a security system in a commercial
building?
A. Reduce energy costs
B. Protect people and property
C. Improve aesthetics
D. Automate lighting
Answer: B
Rationale: The main purpose of a security system is to protect occupants,
assets, and property from theft, vandalism, or other threats.
2. Which component of an access control system stores user credentials?
A. Reader
B. Controller
C. Door strike
D. Keypad
Answer: B
Rationale: The controller processes and stores access credentials, verifying
users before granting access.
3. What is the standard color code for a fire alarm circuit?
A. Green
B. Yellow
, C. Red
D. Blue
Answer: C
Rationale: Fire alarm circuits are typically marked red for easy
identification in compliance with safety codes.
4. In CCTV systems, what does “DVR” stand for?
A. Digital Video Receiver
B. Digital Video Recorder
C. Direct Video Relay
D. Dual Video Router
Answer: B
Rationale: A DVR records analog or IP camera footage for later playback
and review.
5. What is the main difference between an analog and IP camera?
A. Resolution
B. Transmission method
C. Lens type
D. Mounting method
Answer: B
Rationale: IP cameras transmit video data over a network, whereas analog
cameras use coaxial cables.
6. Which type of sensor is commonly used to detect motion in security
systems?
A. Heat sensor
B. Passive infrared (PIR) sensor
C. Pressure sensor
D. Smoke detector
Answer: B
Rationale: PIR sensors detect infrared energy changes caused by movement,
making them ideal for motion detection.
, 7. What is the typical voltage for electronic door strikes?
A. 12V AC
B. 24V DC
C. 12V DC
D. 5V DC
Answer: C
Rationale: Most electronic strikes operate on 12V DC to balance safety,
efficiency, and compatibility.
8. Which communication protocol is commonly used for IP cameras?
A. SMTP
B. FTP
C. ONVIF
D. HTTP
Answer: C
Rationale: ONVIF ensures interoperability between IP cameras and network
devices regardless of brand.
9. In alarm systems, what is the purpose of a “zone”?
A. Define camera angles
B. Segment areas for detection
C. Manage network traffic
D. Store video footage
Answer: B
Rationale: Zones allow the system to monitor specific areas independently
and trigger alerts appropriately.
10. Which type of backup power is essential for security systems
during outages?
A. Solar panels
B. Uninterruptible Power Supply (UPS)
C. Gas generator
D. Battery-operated flashlights
