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VIDEO SURVEILLANCE SYSTEMS AND
CLOSED CIRCUIT TELEVISION (CEU)
QUESTIONS WITH DETAILED VERIFIED
ANSWERS
Never Point a camera at an exterior door, as this will be too much
_______ for the camera to handle Ans: Contrast
Acronym POE Ans: Power over Ethernet
When using an existing network, always check for adequate______.
Ans: Bandwidth
Lossless ______ formats do not change the picture information. Ans:
Compression
CCTV cameras may require ____ or ____ volts to operate properly. Ans:
12 & 24
_______ is a way to extend recording time without adding more storage.
Ans: Compression
____ is the greatest distance a camera may be powered with POE. Ans:
100 meters
A CCTV light intensity level is measured in _____ Ans: Lux
A CCTV recorder must be recording at least ____ frames at all times.
Ans: 1
AGC stands for ____ Ans: Automatic Gain Control
Power to the lens iris comes from _____. Ans: The iris socket at the rear
of a lens
BLC stands for ____. Ans: Backlight Control
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Box cameras accept____ & _____ base lenses. Ans: C & CS
All cameras need two connections ______ & _____ Ans: Power & Video
Out
Last thing to do when leaving a service call is to _____. Ans: Check for
a good picture
A _____ lens allows adjustment to many distances Ans: Varifocal
H.268 & MJPEG are______. Ans: Compression algorithms
A video camera with a hybrid video output could____. Ans: Have coax &
RJ45 connectors
The signal of a Wifi connection is susceptible to _____. Ans:
Obstructions
Plastics should not be used for the outermost elements of any lens Ans:
True
In optics, the f- number, or the aperture of a camera lens, is the ratio of
the lens' focal length to the ______. Ans: Diameter of the aperture.
"Flare" is stray sunlight that causes unwanted haze or artifacts to be
introduced into the picture. Ans: True
It is critically important to fix the camera in place, ________, & set the
light level with the Iris Ans: Back focus
A small f-number gives large depth of field Ans: False
A______ auto -iris takes its command from the camera Ans: DC
Faster lenses have more glass Ans: True
A smaller f-stop decreases the size of the aperture Ans: False
Make sure your camera socket matches the ______ on the lens cord
Ans: Plug
VIDEO SURVEILLANCE SYSTEMS AND
CLOSED CIRCUIT TELEVISION (CEU)
QUESTIONS WITH DETAILED VERIFIED
ANSWERS
Never Point a camera at an exterior door, as this will be too much
_______ for the camera to handle Ans: Contrast
Acronym POE Ans: Power over Ethernet
When using an existing network, always check for adequate______.
Ans: Bandwidth
Lossless ______ formats do not change the picture information. Ans:
Compression
CCTV cameras may require ____ or ____ volts to operate properly. Ans:
12 & 24
_______ is a way to extend recording time without adding more storage.
Ans: Compression
____ is the greatest distance a camera may be powered with POE. Ans:
100 meters
A CCTV light intensity level is measured in _____ Ans: Lux
A CCTV recorder must be recording at least ____ frames at all times.
Ans: 1
AGC stands for ____ Ans: Automatic Gain Control
Power to the lens iris comes from _____. Ans: The iris socket at the rear
of a lens
BLC stands for ____. Ans: Backlight Control
, Page | 2
Box cameras accept____ & _____ base lenses. Ans: C & CS
All cameras need two connections ______ & _____ Ans: Power & Video
Out
Last thing to do when leaving a service call is to _____. Ans: Check for
a good picture
A _____ lens allows adjustment to many distances Ans: Varifocal
H.268 & MJPEG are______. Ans: Compression algorithms
A video camera with a hybrid video output could____. Ans: Have coax &
RJ45 connectors
The signal of a Wifi connection is susceptible to _____. Ans:
Obstructions
Plastics should not be used for the outermost elements of any lens Ans:
True
In optics, the f- number, or the aperture of a camera lens, is the ratio of
the lens' focal length to the ______. Ans: Diameter of the aperture.
"Flare" is stray sunlight that causes unwanted haze or artifacts to be
introduced into the picture. Ans: True
It is critically important to fix the camera in place, ________, & set the
light level with the Iris Ans: Back focus
A small f-number gives large depth of field Ans: False
A______ auto -iris takes its command from the camera Ans: DC
Faster lenses have more glass Ans: True
A smaller f-stop decreases the size of the aperture Ans: False
Make sure your camera socket matches the ______ on the lens cord
Ans: Plug
