AZ L-71 CCTV & Security Systems
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1. What is the primary purpose of a CCTV system in a commercial
facility?
A. Entertainment
B. Lighting control
C. Heating management
D. Surveillance and security
Rationale: CCTV systems are designed to monitor, record, and provide
security oversight for property and people.
2. Which type of camera is best suited for outdoor perimeter
monitoring?
A. Dome camera
B. PTZ camera
C. Bullet camera
D. Box camera
Rationale: Bullet cameras are weather-resistant and ideal for long-range
outdoor monitoring.
,3. What does PTZ stand for in CCTV systems?
A. Pan-tilt-zone
B. Pan-tilt-zoom
C. Pivot-tilt-zoom
D. Point-track-zoom
Rationale: PTZ cameras can pan, tilt, and zoom to cover wide areas.
4. RG59 coaxial cable is primarily used for which type of CCTV system?
A. IP camera systems
B. Analog camera systems
C. Fiber-optic systems
D. Wi-Fi camera systems
Rationale: RG59 is the standard coax used in analog CCTV setups.
5. What component converts analog video signals to digital for
recording?
A. Switch
B. Router
C. DVR
D. NVR
Rationale: DVRs process analog signals, digitize them, and record footage.
6. Which device is required for IP camera recording?
A. DVR
B. NVR
C. Modem
D. HDMI splitter
, Rationale: NVRs record and manage digital IP video streams over
networks.
7. Which IP address range is private?
A. 50.1.1.1
B. 102.14.50.2
C. 192.168.1.15
D. 8.8.8.8
Rationale: 192.168.x.x is a private LAN address range.
8. A megapixel rating describes what feature of a camera?
A. Frame rate
B. Zoom type
C. Image resolution
D. Housing material
Rationale: Megapixels measure the resolution of captured images.
9. What is the purpose of infrared LEDs on a CCTV camera?
A. Reduce bandwidth
B. Enable night vision
C. Improve audio
D. Reduce power consumption
Rationale: IR LEDs allow cameras to capture images in low or no light.
10. Which standard governs network cable performance?
A. NEC 900
B. TIA/EIA-568
Contractor Exam Questions And Correct
Answers (Verified Answers) Plus
Rationale2026 Q&A| Instant Download
1. What is the primary purpose of a CCTV system in a commercial
facility?
A. Entertainment
B. Lighting control
C. Heating management
D. Surveillance and security
Rationale: CCTV systems are designed to monitor, record, and provide
security oversight for property and people.
2. Which type of camera is best suited for outdoor perimeter
monitoring?
A. Dome camera
B. PTZ camera
C. Bullet camera
D. Box camera
Rationale: Bullet cameras are weather-resistant and ideal for long-range
outdoor monitoring.
,3. What does PTZ stand for in CCTV systems?
A. Pan-tilt-zone
B. Pan-tilt-zoom
C. Pivot-tilt-zoom
D. Point-track-zoom
Rationale: PTZ cameras can pan, tilt, and zoom to cover wide areas.
4. RG59 coaxial cable is primarily used for which type of CCTV system?
A. IP camera systems
B. Analog camera systems
C. Fiber-optic systems
D. Wi-Fi camera systems
Rationale: RG59 is the standard coax used in analog CCTV setups.
5. What component converts analog video signals to digital for
recording?
A. Switch
B. Router
C. DVR
D. NVR
Rationale: DVRs process analog signals, digitize them, and record footage.
6. Which device is required for IP camera recording?
A. DVR
B. NVR
C. Modem
D. HDMI splitter
, Rationale: NVRs record and manage digital IP video streams over
networks.
7. Which IP address range is private?
A. 50.1.1.1
B. 102.14.50.2
C. 192.168.1.15
D. 8.8.8.8
Rationale: 192.168.x.x is a private LAN address range.
8. A megapixel rating describes what feature of a camera?
A. Frame rate
B. Zoom type
C. Image resolution
D. Housing material
Rationale: Megapixels measure the resolution of captured images.
9. What is the purpose of infrared LEDs on a CCTV camera?
A. Reduce bandwidth
B. Enable night vision
C. Improve audio
D. Reduce power consumption
Rationale: IR LEDs allow cameras to capture images in low or no light.
10. Which standard governs network cable performance?
A. NEC 900
B. TIA/EIA-568
