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WorksheetsCCTV Wiring Devices Quiz
Total questions: 30
Worksheet time: 15mins
Which of the following is a technique of merging various signals into one signal using a common medium?
Compression
Multiplexing
Encryption
Modulation
What is the approximate wattage rating for most CCTV cameras?
1 watt to 5 watts
2 watts to 15 watts
20 watts to 30 watts
40 watts and above
Which type of CCTV camera is cylindrical in shape and ideal for outdoor use due to its long-distance viewing?
Dome CCTV Camera
PTZ CCTV Camera
Bullet CCTV Camera
Covert/Mini CCTV Camera
What is the most common voltage supplied to security cameras nowadays?
5V
9V
12V
24V
Which cable is typically used in IP camera systems and can run CCTV video footage over 1000 meters?
Coaxial cable (RG59)
HDMI cable
UTP Cat-5e cable
VGA cable
Which device is capable of recording digital videos and is primarily used in CCTV systems with analog cameras through BNC ports?
NVR
Hybrid DVR
Analog DVR
Tribrid DVR
Why is a monitor with an external power supply unit (PSU) generally preferred over one with a built-in power supply?
It is cheaper to produce.
It allows for better heat dissipation from the monitor unit.
It is more aesthetically pleasing.
It consumes less power overall.
Which CCTV camera type is designed to be unnoticeable and hidden in everyday objects?
Bullet Camera
Dome Camera
PTZ Camera
Covert/Mini Camera
What is the maximum transmission distance for simple data over Ethernet for a PoE switch?
50 meters
100 meters
300 feet
1000 meters
Which of the following describes an AHD (Analog High Definition) camera's compatibility?
It can only connect to NVR systems.
It is backward compatible with all traditional analog equipment.
It only supports digital signals.
It requires a PoE injector for operation.
In a CCTV system, which two interfaces are most commonly used at the back of a TV-monitor for video and audio input?
USB and VGA
RCA and DVI
HDMI and Audio inputs
LAN and IR Out
What is the primary function of a Power splitter adapter in a CCTV setup?
To convert AC power to DC power.
To extend the range of the power supply.
To distribute power from a single DC power supply to multiple cameras.
To boost the voltage for long cable runs.
Which of these CCTV monitor types consumes much less power and runs at a lower temperature?
LCD Monitor
TFT Monitor
CRT Monitor
LED Monitor
A device that allows several video signals from CCTV security cameras or other analog video devices to be combined and displayed on one monitor is called a:
Video Amplifier
Video Sequencial Switcher
Video Multiplexer
PoE Extender
What is the main characteristic that differentiates an IP/Digital camera from an Analog CCTV camera?
Analog cameras capture audio, while IP cameras do not.
IP cameras send digital signals over a network, while analog cameras send analog signals over coaxial cable.
Analog cameras are always wireless, while IP cameras are wired.
IP cameras require a DVR, while analog cameras require an NVR.
What does "12 VDC/500mA" on a CCTV equipment product description indicate?
The device operates on 12 volts AC and consumes 500 milliamperes.
The device requires a 12-volt DC supply with 500 milliamperes of power.
The device has a 12-volt direct current output and a 500-meter range.
The device is compatible with 12 different video channels and has a 500-megapixel resolution.
Which type of DVR brings together two surveillance technologies (Analog and IP) on one recorder?
Analog DVR
Hybrid DVR
Tribrid DVR
Network Video Recorder (NVR)
What is the purpose of a Video Balun connector?
To convert digital signals to analog signals.
To connect HDMI cables to BNC ports.
To allow UTP cable to transmit video signals from CCTV cameras instead of coaxial cable.
To amplify weak video signals over long distances.
If a DVR/NVR is to be used for large structures like buildings, schools, and offices, its power rating should not be less than:
10 watts
30 watts
40 watts
100 watts
Which of the following statements is TRUE regarding Cat6 UTP cable compared to Cat5e?
Cat6 cable is slower in transferring data.
Cat6 cable is faster in speeds in the transferring of data and connection.
Cat6 cable is only used for analog CCTV systems.
Cat6 cable has a shorter maximum video footage run distance.
BNC CONNECTOR
VIDEO BALUM CONNECTOR
RJ45 CONNECTOR
UTP POWER DC ADAPTOR
BNC CONNECTOR
VIDEO BALUM CONNECTOR
RJ45 CONNECTOR
UTP POWER DC ADAPTER
BNC CONNECTOR
VIDEO BALUM CONNECTOR
RJ45 CONNECTOR
UTP POWER DC ADAPTER
What is No. 2?
Camera lens
Infra-Red LED
Zoom and Focus adjuster
Bracket
What is No. 3?
Cowling
Infra-Red LED
Zoom and Focus adjuster
Bracket
What is No. 4?
Cowling
Camera lens
Zoom and Focus adjuster
Bracket
RJ45 Connector
CCTV Centralized Power Supply
CAT5/CAT6 UTP Cable
HDMI Cable
RJ45 Connector
CCTV Centralized Power Supply
CAT5/CAT6 UTP Cable
HDMI Cable
RJ45 Connector
CCTV Centralized Power Supply
CAT5/CAT6 UTP Cable
HDMI Cable
RJ45 Connector
CCTV Centralized Power Supply
CAT5/CAT6 UTP Cable
HDMI Cable
