TN Closed-Circuit Television (CCTV) Systems
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COMPLETE QUESTIONS AND CORRECT
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What is the CCD chip? - Answer-A device that converts
light into electronic signals
What value do manufacturers use to identify the light
sensitivity of CCTV cameras? - Answer-Lux
What are the two components of a camera controller? -
Answer-Transmitter and receiver
Which method is used to reduce backlighting problems? -
Answer-Backlight compensation
What is the primary use of CCTV systems? - Answer-
Surveillance and security
In what units are signal-to-noise ratios measured? -
Answer-Decibels
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What describes the ability of a camera lens to admit light?
- Answer-Aperture
What device is used to correct differences in ground
potential for long cable runs? - Answer-Humbucker
What is the device called that requests data from a
network camera? - Answer-Client
Which device allows network cameras to store data
directly to a hard drive without conversion? - Answer-
Network Video Recorder (NVR)
In what increments are multiplexers usually available? -
Answer-4
What factor determines a camera's field of view? -
Answer-The lens focal length
What happens when the video frame rate is reduced from
30 fps to 15 fps? - Answer-Reduces the amount of data
stored
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Intrusion Detection System components include: - Answer-
1) Computerized Monitoring Systems
2) Sensors
3) Control or transmission Units
Which method of lighting has the disadvantage that it often
illuminates or silhouettes security personnel as they patrol
their routes? - Answer-Controlled
The purpose of an access control system is to
_____________________________________ . - Answer-
Allow authorized entry and prevent unauthorized entry to a
controlled area.
What type of Intrusion Detection System (IDS) monitoring
is required if response by local on-site personnel or
security is satisfactory? - Answer-Local monitoring
What allows security forces unimpeded observation of the
barrier area? - Answer-Clear zones
When are static observation posts used - Answer-When
continuous surveillance is required