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Most Tested Content Covered in This Exam
CCTV system components and design
Camera types and lens selection
Field of view and focal length calculations
Video transmission methods (coax, UTP, IP)
Power supply and grounding
Digital video recorders (DVR) and network video recorders (NVR)
IP camera networking basics
Storage calculations and compression methods
Lighting and infrared systems
Installation standards and safety
Troubleshooting and maintenance
Security system integration
1. What is the primary function of a CCTV system?
A. To amplify wireless signals
B. To monitor and record video from specific areas
C. To increase internet speed
D. To control building lighting
Answer: B. To monitor and record video from specific areas
Explanation: Closed-Circuit Television systems are designed to transmit video
signals from cameras to a limited set of monitors or recording devices for
surveillance and security monitoring.
, 2. Which device is responsible for recording video from analog CCTV cameras?
A. Network switch
B. DVR
C. Router
D. Encoder
Answer: B. DVR
Explanation: A Digital Video Recorder (DVR) records and manages video from
analog cameras through coaxial connections.
3. Which cable type is most commonly used with analog CCTV cameras?
A. Cat6
B. HDMI
C. Coaxial cable
D. Fiber patch cable
Answer: C. Coaxial cable
Explanation: Analog cameras traditionally transmit video signals using coaxial
cables such as RG59.
4. What does IP stand for in IP camera systems?
A. Internal Protocol
B. Internet Protocol
C. Integrated Processor
D. Imaging Process
Answer: B. Internet Protocol
Explanation: IP cameras transmit digital video over computer networks using
Internet Protocol.
5. What component provides electrical power to a CCTV camera?
A. Encoder
B. Power supply
,C. Monitor
D. Patch panel
Answer: B. Power supply
Explanation: CCTV cameras require a power supply, typically 12V DC or PoE
depending on the camera type.
6. What is the purpose of a lens in a CCTV camera?
A. Compress video
B. Store footage
C. Focus light onto the image sensor
D. Convert analog signals
Answer: C. Focus light onto the image sensor
Explanation: The camera lens directs and focuses incoming light onto the sensor to
produce a clear image.
7. Which camera type is commonly used for wide indoor coverage?
A. Bullet camera
B. Dome camera
C. Box camera
D. PTZ camera
Answer: B. Dome camera
Explanation: Dome cameras are widely used indoors due to their wide viewing
angles and vandal-resistant design.
8. What does PTZ stand for in CCTV cameras?
A. Power Transfer Zone
B. Pan Tilt Zoom
C. Pixel Transfer Zoom
D. Program Tracking Zone
Answer: B. Pan Tilt Zoom
, Explanation: PTZ cameras can move horizontally (pan), vertically (tilt), and adjust
zoom remotely.
9. What is the main function of a Network Video Recorder (NVR)?
A. Amplify signals
B. Record IP camera video streams
C. Provide wireless connectivity
D. Convert analog video
Answer: B. Record IP camera video streams
Explanation: NVRs record digital video streams transmitted from IP cameras over a
network.
10.What device connects multiple IP cameras in a network?
A. Network switch
B. Video balun
C. DVR
D. HDMI splitter
Answer: A. Network switch
Explanation: A network switch allows multiple IP cameras to communicate within
a network infrastructure.
11.What does PoE stand for?
A. Power over Ethernet
B. Protocol of Electronics
C. Power of Equipment
D. Port over Extension
Answer: A. Power over Ethernet
Explanation: PoE technology allows both power and data to be transmitted
through a single Ethernet cable.
12.What factor primarily determines the field of view of a camera?