Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
In a CCTV system, a video switch:
a. | Change voltages on a coaxial cable | b. | It is sometimes called a
quadrant | c. | Switches the monitor from one video source to another | d. | Prevent videos from
being reduced |
|
|
|
2.
|
The CCD in a CCD camera refers to:
a. | Camera definition | b. | Charging device coupled | c. | Charging device
coupled | d. | Load changing device |
|
|
|
3.
|
An image captured from a CCD camera is:
a. | Analog picture | b. | Sinusoidal image | c. | Wave type
image | d. | Binary image |
|
|
|
4.
|
A network camera is connected to a LAN using:
a. | Coaxial cable | b. | Ethernet Cable | c. | Twisted pair
cable | d. | UTP cable |
|
|
|
5.
|
Which of the following is a correct approach to lens assembly C and CS:
a. | A lens mount C can be fitted with a CS mount cover | b. | A CS lens mount can
be fitted with a mounting cover C | c. | The two types of mounting are
interchangeable | d. | There is no compatibility between the two types |
|
|
|
6.
|
The iris of a camera is used to change:
a. | Field of view | b. | White balance | c. | Focal
length | d. | Opening |
|
|
|
7.
|
A PTZ device is used to:
a. | Increase the amount of light available for the lens | b. | Protect the camera
from extremes of heat and cold | c. | Remotely adjust the position of the
camera | d. | Conceal the camera on the ceiling |
|
|
|
8.
|
The device that allows remote cameras in a CCTV system to be manipulated is
a:
a. | Modulator | b. | Controller | c. | Receiver | d. | Amplifier |
|
|
|
9.
|
A communication link needed to control a camera is established with a:
a. | Transmitter and keyboard | b. | Keyboard and controller | c. | Controller and
Receiver | d. | Transmitter and Receiver |
|
|
|
10.
|
In the field of security, a real-time recorder captures videos in the range
of:
a. | 10 frames per second | b. | 15 frames per second | c. | 20 frames per
second | d. | 30 frames per second |
|
|
|
11.
|
A video loop is used to:
a. | When recording two cameras at once | b. | When we connect two monitors to the same
source | c. | To provide instant replay | d. | To provide continuous
repetition |
|
|
|
12.
|
A balum transformer is used to:
a. | Filter noises | b. | Match impedance between coaxial cable and data
cable | c. | Reduce signals of large amplitude | d. | Isolate components from noise
sources |
|
|
|
13.
|
CCTV equipment is designed to feed at 24 VDC:
|
|
|
14.
|
Which part of a video camera is set to allow more or less light to enter a
camera:
a. | Sorting Switch | b. | Focus Length | c. | Focus
(zoom) | d. | Iris |
|
|
|
15.
|
A type of camera that works with both visible and without light is one:
a. | Luxury night camera | b. | Zero View Camera | c. | Infrared
camera | d. | Green light camera |
|