CO Security Systems Contractor
Exam Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. Which of the following is the primary purpose of a security system?
A. Reduce insurance premiums
B. Detect and deter unauthorized access
C. Replace physical locks
D. Monitor employee productivity
Answer: B
Rationale: The main function of a security system is to detect intrusions and
deter unauthorized access, ensuring property and personal safety.
2. What is the typical voltage used for standard wired alarm systems?
A. 120V AC
B. 12V DC
C. 24V AC
D. 5V DC
Answer: B
Rationale: Most wired security systems use 12V DC because it is safe,
reliable, and sufficient for operating sensors and control panels.
3. Which type of sensor is most effective for detecting motion in a room?
A. Glass break sensor
B. Magnetic contact
C. Passive infrared (PIR) sensor
D. Smoke detector
,Answer: C
Rationale: PIR sensors detect changes in infrared energy from moving
objects, making them effective for monitoring room movement.
4. What is the main purpose of a control panel in a security system?
A. Store video footage
B. Process signals from sensors and trigger alarms
C. Charge backup batteries
D. Control access cards
Answer: B
Rationale: The control panel receives input from sensors and initiates
alarms or notifications when security events occur.
5. In access control systems, what does “proximity reader” detect?
A. Fingerprints
B. PIN codes
C. Access cards or key fobs
D. Retina patterns
Answer: C
Rationale: Proximity readers use radio frequency identification (RFID) to
detect authorized cards or fobs without physical contact.
6. Which is considered a passive security measure?
A. Motion sensor alarm
B. CCTV monitoring
C. Security fencing
D. Panic button
Answer: C
Rationale: Passive security measures prevent or slow access rather than
actively alerting staff or triggering alarms.
7. What is the function of a siren in a security system?
A. Record events
B. Notify police only
, C. Alert occupants and deter intruders
D. Encrypt data
Answer: C
Rationale: Sirens are designed to create a loud audible warning, drawing
attention and deterring intruders.
8. Which of the following is considered an active security component?
A. Bollard
B. Security gate
C. Motion detector
D. Door lock
Answer: C
Rationale: Active components respond to events, like triggering alarms when
motion is detected.
9. Which standard is commonly referenced for security system installation
and performance?
A. ISO 9001
B. NFPA 72
C. OSHA 1910
D. UL 94
Answer: B
Rationale: NFPA 72 is the National Fire Alarm and Signaling Code, widely
referenced for alarm and detection system standards.
10. What is the primary benefit of integrating CCTV with a security
system?
A. Reduces power consumption
B. Provides visual verification of alarms
C. Automates access control
D. Prevents false alarms
Answer: B
Rationale: CCTV integration allows monitoring personnel to confirm the
cause of an alarm visually, improving response accuracy.
Exam Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. Which of the following is the primary purpose of a security system?
A. Reduce insurance premiums
B. Detect and deter unauthorized access
C. Replace physical locks
D. Monitor employee productivity
Answer: B
Rationale: The main function of a security system is to detect intrusions and
deter unauthorized access, ensuring property and personal safety.
2. What is the typical voltage used for standard wired alarm systems?
A. 120V AC
B. 12V DC
C. 24V AC
D. 5V DC
Answer: B
Rationale: Most wired security systems use 12V DC because it is safe,
reliable, and sufficient for operating sensors and control panels.
3. Which type of sensor is most effective for detecting motion in a room?
A. Glass break sensor
B. Magnetic contact
C. Passive infrared (PIR) sensor
D. Smoke detector
,Answer: C
Rationale: PIR sensors detect changes in infrared energy from moving
objects, making them effective for monitoring room movement.
4. What is the main purpose of a control panel in a security system?
A. Store video footage
B. Process signals from sensors and trigger alarms
C. Charge backup batteries
D. Control access cards
Answer: B
Rationale: The control panel receives input from sensors and initiates
alarms or notifications when security events occur.
5. In access control systems, what does “proximity reader” detect?
A. Fingerprints
B. PIN codes
C. Access cards or key fobs
D. Retina patterns
Answer: C
Rationale: Proximity readers use radio frequency identification (RFID) to
detect authorized cards or fobs without physical contact.
6. Which is considered a passive security measure?
A. Motion sensor alarm
B. CCTV monitoring
C. Security fencing
D. Panic button
Answer: C
Rationale: Passive security measures prevent or slow access rather than
actively alerting staff or triggering alarms.
7. What is the function of a siren in a security system?
A. Record events
B. Notify police only
, C. Alert occupants and deter intruders
D. Encrypt data
Answer: C
Rationale: Sirens are designed to create a loud audible warning, drawing
attention and deterring intruders.
8. Which of the following is considered an active security component?
A. Bollard
B. Security gate
C. Motion detector
D. Door lock
Answer: C
Rationale: Active components respond to events, like triggering alarms when
motion is detected.
9. Which standard is commonly referenced for security system installation
and performance?
A. ISO 9001
B. NFPA 72
C. OSHA 1910
D. UL 94
Answer: B
Rationale: NFPA 72 is the National Fire Alarm and Signaling Code, widely
referenced for alarm and detection system standards.
10. What is the primary benefit of integrating CCTV with a security
system?
A. Reduces power consumption
B. Provides visual verification of alarms
C. Automates access control
D. Prevents false alarms
Answer: B
Rationale: CCTV integration allows monitoring personnel to confirm the
cause of an alarm visually, improving response accuracy.
