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CCTV and Video Surveillance Quiz

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Questions and Answers

What is the main purpose of closed-circuit television (CCTV)?

To operate as a mesh wired or wireless link
To openly transmit video signals
To provide security and ongoing monitoring (correct)
To broadcast television signals

How does CCTV differ from broadcast television?

It uses point-to-point (P2P) links
It openly transmits the signal
It employs mesh wired or wireless links
It transmits the signal to a specific place on limited monitors (correct)

Where is video surveillance using CCTV common?

Only in industrial plants
Common in many areas around the world (correct)
Rarely used due to privacy concerns
Only in areas with public debate

What additional feature may digital video recorders (DVRs) provide in advanced CCTV systems?

<p>Motion detection and email alerts (A)</p> Signup and view all the answers

What is the purpose of decentralized IP cameras in CCTV systems?

<p>To support recording directly to network-attached storage devices (B)</p> Signup and view all the answers

Flashcards

CCTV Purpose

CCTV systems provide security and ongoing monitoring.

CCTV vs. Broadcast TV

CCTV transmits signals to a limited number of monitors, broadcast TV transmits to many.

CCTV Video Surveillance

CCTV video surveillance is common in many places globally

DVR Feature

Advanced CCTV systems with DVRs may have motion detection and email alerts.

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Decentralized IP Cameras

These cameras in CCTV systems record directly to network storage.

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Study Notes

CCTV Overview

The main purpose of closed-circuit television (CCTV) is for video surveillance and monitoring.

CCTV vs Broadcast TV

CCTV differs from broadcast television in that CCTV signals are not openly transmitted, but rather are transmitted over a closed circuit for a specific audience.

CCTV Usage

Video surveillance using CCTV is common in public areas such as shopping centers, public transportation, and government buildings.

Advanced CCTV Features

Digital video recorders (DVRs) in advanced CCTV systems may provide additional features such as motion detection and alert systems.

Decentralized IP Cameras

The purpose of decentralized IP cameras in CCTV systems is to allow for remote monitoring and recording of video feeds directly to the camera, reducing the need for a central recording device.

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Description

Test your knowledge of closed-circuit television (CCTV) and video surveillance systems with this quiz. Explore the use of video cameras for transmitting signals to specific places and learn about the different transmission methods employed.