Illinois Security Contractor Licensing 2026/2027 Exam with
correct answers and with a good explanation
1. What is the primary purpose of a security risk assessment before installing a
security system?
A. To reduce labor costs
B. To identify vulnerabilities and recommend appropriate security measures
C. To determine employee salaries
D. To estimate utility costs
Answer: B
Explanation: A risk assessment identifies threats, vulnerabilities, and assets so the contractor can
recommend appropriate security solutions.
2. Which device is commonly used to detect when a window is opened?
A. Motion detector
B. Glass break detector
C. Magnetic contact
D. Smoke detector
Answer: C
Explanation: A magnetic contact consists of a switch and magnet that separate when the window
or door opens.
3. Passive Infrared (PIR) motion detectors primarily detect:
A. Sound waves
B. Heat changes from moving objects
C. Smoke particles
D. Humidity
Answer: B
Explanation: PIR sensors detect changes in infrared energy emitted by warm bodies.
,4. Which component supplies backup power to an alarm control panel?
A. Router
B. Battery
C. Motion detector
D. Transformer
Answer: B
Explanation: Backup batteries allow alarm systems to operate during power outages.
5. CCTV stands for:
A. Central Camera Television
B. Closed-Circuit Television
C. Certified Camera Tracking Video
D. Continuous Circuit Television
Answer: B
Explanation: CCTV is a private video surveillance system used for monitoring and recording.
6. Which cable is commonly used for IP security cameras?
A. Coaxial cable only
B. Cat5e/Cat6 Ethernet cable
C. Speaker wire
D. Fiber optic only
Answer: B
Explanation: IP cameras typically connect using Ethernet cable, often with Power over Ethernet
(PoE).
7. Power over Ethernet (PoE) allows:
A. Cameras to operate without networking
B. Data and electrical power through one Ethernet cable
C. Wireless video transmission
D. Cameras to use batteries only
, Answer: B
Explanation: PoE simplifies installation by carrying power and data over one cable.
8. Which document defines the scope of work between contractor and client?
A. Equipment catalog
B. Service contract
C. Employee handbook
D. Warranty card
Answer: B
Explanation: The contract specifies responsibilities, equipment, timelines, and costs.
9. During installation, the contractor discovers damaged wiring. The best action
is to:
A. Ignore it
B. Continue installation
C. Inform the client and correct the issue before proceeding
D. Disconnect the alarm permanently
Answer: C
Explanation: Existing hazards should be addressed and documented before completing the
installation.
10. Which detector is most appropriate for protecting a large warehouse?
A. Door contact only
B. PIR motion detector
C. Water sensor
D. Carbon monoxide detector
Answer: B
Explanation: Motion detectors provide broad coverage for large interior spaces.
correct answers and with a good explanation
1. What is the primary purpose of a security risk assessment before installing a
security system?
A. To reduce labor costs
B. To identify vulnerabilities and recommend appropriate security measures
C. To determine employee salaries
D. To estimate utility costs
Answer: B
Explanation: A risk assessment identifies threats, vulnerabilities, and assets so the contractor can
recommend appropriate security solutions.
2. Which device is commonly used to detect when a window is opened?
A. Motion detector
B. Glass break detector
C. Magnetic contact
D. Smoke detector
Answer: C
Explanation: A magnetic contact consists of a switch and magnet that separate when the window
or door opens.
3. Passive Infrared (PIR) motion detectors primarily detect:
A. Sound waves
B. Heat changes from moving objects
C. Smoke particles
D. Humidity
Answer: B
Explanation: PIR sensors detect changes in infrared energy emitted by warm bodies.
,4. Which component supplies backup power to an alarm control panel?
A. Router
B. Battery
C. Motion detector
D. Transformer
Answer: B
Explanation: Backup batteries allow alarm systems to operate during power outages.
5. CCTV stands for:
A. Central Camera Television
B. Closed-Circuit Television
C. Certified Camera Tracking Video
D. Continuous Circuit Television
Answer: B
Explanation: CCTV is a private video surveillance system used for monitoring and recording.
6. Which cable is commonly used for IP security cameras?
A. Coaxial cable only
B. Cat5e/Cat6 Ethernet cable
C. Speaker wire
D. Fiber optic only
Answer: B
Explanation: IP cameras typically connect using Ethernet cable, often with Power over Ethernet
(PoE).
7. Power over Ethernet (PoE) allows:
A. Cameras to operate without networking
B. Data and electrical power through one Ethernet cable
C. Wireless video transmission
D. Cameras to use batteries only
, Answer: B
Explanation: PoE simplifies installation by carrying power and data over one cable.
8. Which document defines the scope of work between contractor and client?
A. Equipment catalog
B. Service contract
C. Employee handbook
D. Warranty card
Answer: B
Explanation: The contract specifies responsibilities, equipment, timelines, and costs.
9. During installation, the contractor discovers damaged wiring. The best action
is to:
A. Ignore it
B. Continue installation
C. Inform the client and correct the issue before proceeding
D. Disconnect the alarm permanently
Answer: C
Explanation: Existing hazards should be addressed and documented before completing the
installation.
10. Which detector is most appropriate for protecting a large warehouse?
A. Door contact only
B. PIR motion detector
C. Water sensor
D. Carbon monoxide detector
Answer: B
Explanation: Motion detectors provide broad coverage for large interior spaces.
