CCTV Network and IP Video 2

Question 1

What does ONVIF stand for in the context of IP camera systems?

Accepted Answer

Open Network Video Interface Forum

Answer

ONVIF stands for Open Network Video Interface Forum, a global standard that ensures interoperability between IP-based security products.

Question 2

Which protocol is most commonly used to stream live video from an IP camera to a VMS?

Accepted Answer

RTSP

Answer

RTSP (Real-Time Streaming Protocol) is the standard protocol for delivering live video streams from IP cameras to video management systems.

Question 3

A network switch's PoE budget is 150W and each camera draws 15W. What is the maximum number of cameras it can power simultaneously?

Accepted Answer

10

Answer

Dividing the total PoE budget (150W) by the per-camera draw (15W) gives a maximum of 10 cameras.

Question 4

Which VLAN configuration best practice isolates IP camera traffic from general corporate network traffic?

Accepted Answer

Assign cameras to a dedicated security VLAN

Answer

Assigning cameras to a dedicated security VLAN segments surveillance traffic from corporate data, improving both security and performance.

Question 5

What is the primary function of a Network Video Recorder (NVR)?

Accepted Answer

Receive, decode, and store IP camera streams

Answer

An NVR receives IP video streams over the network, decodes them, and stores the footage to disk.

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