WorksheetsOverview of Video Surveillance System
Total questions: 20
Worksheet time: 10mins
What is the primary purpose of a video surveillance system?
Surveillance
Security
Monitoring
All of the above
Which of the following technologies is NOT mentioned as a feature of modern video surveillance systems?
High Definition cameras
Old Analog Cameras
Cloud storage
Remote monitoring capabilities
In the past, how were analogue cameras typically connected to a VCR in a video surveillance system?
Ethernet cables
Fibre optic cables
Coaxial cables
USB cables
What was used to record videos in a VCR in an analogue video surveillance system?
Hard drive
Cassette tape
DVD
Cloud storage
What device was used to combine the video inputs from multiple cameras and display them on a single screen in an analogue video surveillance system?
DVR (digital video recorder)
NVR (network video recorder)
Network Switch
Multiplexer
What is used to store recorded footage in a DVR?
Hard drive
Cassette tape
DVD
Cloud storage
What is a major advantage of using a DVR in a video surveillance system compared to an analogue system?
Improved image quality
Shorter retention times
Increased size and scalability
Elimination of tapes and tape changes
How are network DVRs typically accessed remotely?
Through a standard web browser on a PC
Through a mobile app on a smartphone
Through a special software program installed on a PC
Through a proprietary interface on a dedicated device
Which of the following is NOT a disadvantage of using a network DVR in a video surveillance system?
Limited scalability
Expensive maintenance and upgrading
Ability to remotely monitor video footage using a PC
Ability to remotely operate the system
What device is used to digitize and compress the video from analogue cameras in a network video system?
Video encoder
VCR
Network switch
Video management software
What is a video encoder also known as?
Video server
Network switch
Video management software
PC
How are analogue cameras typically connected to a video encoder in a network video system?
Ethernet cables
Fibre optic cables
Coaxial cables
USB cables
What is the video from the cameras in a network video system typically transmitted over?
Ethernet cables
Fibre optic cables
Coaxial cables
An IP network (e.g. the internet)
How are network cameras typically connected to a video surveillance system?
Ethernet cables
Fibre optic cables
Coaxial cables
USB cables
How is the video from network cameras in a video surveillance system typically recorded?
To a hard drive
To a cassette tape
To a thumbdrive
To a PC running video management software
How is a CCTV system typically used in a comprehensive security system?
To monitor and record video footage from various locations
To detect and alert on security breaches
To control access to restricted areas
All of the above
Which of the following is NOT a potential benefit of using CCTV systems in a comprehensive security system?
Deterring crime
Identifying suspects
Providing evidence in the event of a security incident
Reducing the need for security personnel
What are video surveillance systems commonly used for in bank branches and ATM locations?
Observing and recording incidents of theft or violence
Monitoring sensitive areas where infrequent activities occur
Integrating with access control systems to provide video footage of people entering and leaving the premises
All of the above
In which of the following environments are surveillance systems commonly used to enhance personal safety and overall security?
Airports
Highways
Train stations
All of the above
What is the function of a central monitoring software in a CCTV system?
To watch live feeds
To store and playback recorded footage
To act as a general deterrent to crime
To initiate the transmission of live image
