CCTV Video Surveillance System Design 4

Question 1

What is the primary function of a video management system (VMS) in a large-scale CCTV deployment?

Accepted Answer

To centrally manage, record, and retrieve video from multiple IP cameras

Answer

A VMS provides a centralized software platform for managing IP camera feeds, configuring recording schedules, and searching archived video across a large installation.

Question 2

When designing a CCTV system for a school, which privacy consideration is most critical?

Accepted Answer

Ensuring cameras do not cover restrooms, locker rooms, or other private areas

Answer

Legal and ethical requirements prohibit camera placement in areas where individuals have a reasonable expectation of privacy, such as restrooms and locker rooms.

Question 3

What is the purpose of camera masking (privacy zones) in a CCTV system?

Accepted Answer

To block out specific areas within the camera's view from being recorded or displayed

Answer

Privacy masking allows administrators to digitally block portions of the camera's view (e.g., a neighbor's window) to comply with privacy laws or organizational policy.

Question 4

Which cable type is the industry standard for transmitting both power and data to IP cameras in modern system designs?

Accepted Answer

Cat5e or Cat6 Ethernet cable with PoE

Answer

Cat5e/Cat6 with Power over Ethernet (PoE) is the standard for IP cameras, delivering both network data and electrical power through a single cable run.

Question 5

What is 'ONVIF' compliance important for in a multi-vendor CCTV system design?

Accepted Answer

It provides interoperability between cameras and VMS from different manufacturers

Answer

ONVIF is an open industry standard that allows cameras, recorders, and software from different manufacturers to communicate and work together seamlessly.

CCTV - Closed Circuit Television Practice Test

CCTV - Closed Circuit Television Practice Test

CCTV Video Surveillance System Design 4