CO CCTV INSTALLER CONTRACTOR EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of a CCTV system?
A. To provide potable water
B. To monitor and record visual activity
C. To regulate HVAC equipment
D. To control plumbing pressure
Correct Answer: B. To monitor and record visual activity
Rationale: CCTV systems are designed to capture, transmit,
display, and/or record video for surveillance and security
purposes.
2. What does CCTV stand for?
A. Central Camera Television
B. Closed-Circuit Television
C. Controlled Cable Transmission
D. Computerized Camera Terminal
Correct Answer: B. Closed-Circuit Television
Rationale: CCTV refers to a video surveillance system in which
signals are transmitted to designated monitors or recording
devices.
3. Which component captures the image in a CCTV system?
A. Camera
,B. DVR
C. Monitor
D. Power supply
Correct Answer: A. Camera
Rationale: The camera converts the visual scene into an
electronic video signal.
4. What is the function of a DVR?
A. Supply power to cameras
B. Record and manage analog video
C. Increase cable voltage
D. Mount cameras
Correct Answer: B. Record and manage analog video
Rationale: A Digital Video Recorder digitizes, stores, and
manages video from compatible cameras.
5. What device commonly records video from IP cameras?
A. NVR
B. Transformer
C. Relay
D. Splitter
Correct Answer: A. NVR
Rationale: A Network Video Recorder receives and records
video transmitted over a network.
6. Which cable is commonly used for Ethernet-based IP
cameras?
A. Cat 5e or Cat 6
,B. RG-59 only
C. THHN only
D. Romex only
Correct Answer: A. Cat 5e or Cat 6
Rationale: Twisted-pair Ethernet cabling is commonly used to
connect IP cameras to network equipment.
7. What does PoE mean?
A. Power over Ethernet
B. Protection of Electronics
C. Power on Equipment
D. Port Operating Extension
Correct Answer: A. Power over Ethernet
Rationale: PoE allows compatible devices to receive electrical
power through Ethernet cabling.
8. What is a major advantage of PoE cameras?
A. They require no network connection
B. Power and data can use the same cable
C. They eliminate the need for recording
D. They operate without electricity
Correct Answer: B. Power and data can use the same cable
Rationale: PoE simplifies installation by carrying both network
data and power over compatible Ethernet cable.
9. What is the purpose of a camera lens?
A. Store video
B. Focus and direct incoming light onto the image sensor
, C. Supply network power
D. Compress recorded files
Correct Answer: B. Focus and direct incoming light onto the
image sensor
Rationale: The lens determines how light enters the camera
and influences field of view and image clarity.
10. What does field of view describe?
A. Camera voltage
B. Area visible through the camera
C. Recording capacity
D. Network speed
Correct Answer: B. Area visible through the camera
Rationale: Field of view indicates the width and extent of the
scene captured by a camera.
11. A wider-angle lens generally provides what?
A. A narrower field of view
B. A wider field of view
C. More storage capacity
D. Higher cable voltage
Correct Answer: B. A wider field of view
Rationale: Wide-angle lenses capture more of the surrounding
scene.
12. What is the primary purpose of a camera housing?
A. Increase internet speed
B. Protect the camera from environmental conditions or
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of a CCTV system?
A. To provide potable water
B. To monitor and record visual activity
C. To regulate HVAC equipment
D. To control plumbing pressure
Correct Answer: B. To monitor and record visual activity
Rationale: CCTV systems are designed to capture, transmit,
display, and/or record video for surveillance and security
purposes.
2. What does CCTV stand for?
A. Central Camera Television
B. Closed-Circuit Television
C. Controlled Cable Transmission
D. Computerized Camera Terminal
Correct Answer: B. Closed-Circuit Television
Rationale: CCTV refers to a video surveillance system in which
signals are transmitted to designated monitors or recording
devices.
3. Which component captures the image in a CCTV system?
A. Camera
,B. DVR
C. Monitor
D. Power supply
Correct Answer: A. Camera
Rationale: The camera converts the visual scene into an
electronic video signal.
4. What is the function of a DVR?
A. Supply power to cameras
B. Record and manage analog video
C. Increase cable voltage
D. Mount cameras
Correct Answer: B. Record and manage analog video
Rationale: A Digital Video Recorder digitizes, stores, and
manages video from compatible cameras.
5. What device commonly records video from IP cameras?
A. NVR
B. Transformer
C. Relay
D. Splitter
Correct Answer: A. NVR
Rationale: A Network Video Recorder receives and records
video transmitted over a network.
6. Which cable is commonly used for Ethernet-based IP
cameras?
A. Cat 5e or Cat 6
,B. RG-59 only
C. THHN only
D. Romex only
Correct Answer: A. Cat 5e or Cat 6
Rationale: Twisted-pair Ethernet cabling is commonly used to
connect IP cameras to network equipment.
7. What does PoE mean?
A. Power over Ethernet
B. Protection of Electronics
C. Power on Equipment
D. Port Operating Extension
Correct Answer: A. Power over Ethernet
Rationale: PoE allows compatible devices to receive electrical
power through Ethernet cabling.
8. What is a major advantage of PoE cameras?
A. They require no network connection
B. Power and data can use the same cable
C. They eliminate the need for recording
D. They operate without electricity
Correct Answer: B. Power and data can use the same cable
Rationale: PoE simplifies installation by carrying both network
data and power over compatible Ethernet cable.
9. What is the purpose of a camera lens?
A. Store video
B. Focus and direct incoming light onto the image sensor
, C. Supply network power
D. Compress recorded files
Correct Answer: B. Focus and direct incoming light onto the
image sensor
Rationale: The lens determines how light enters the camera
and influences field of view and image clarity.
10. What does field of view describe?
A. Camera voltage
B. Area visible through the camera
C. Recording capacity
D. Network speed
Correct Answer: B. Area visible through the camera
Rationale: Field of view indicates the width and extent of the
scene captured by a camera.
11. A wider-angle lens generally provides what?
A. A narrower field of view
B. A wider field of view
C. More storage capacity
D. Higher cable voltage
Correct Answer: B. A wider field of view
Rationale: Wide-angle lenses capture more of the surrounding
scene.
12. What is the primary purpose of a camera housing?
A. Increase internet speed
B. Protect the camera from environmental conditions or
