Blue Book Chapter 5 Questions Flashcards
How does network video differ from standard CCTV?
CCTV is view over monitor
Video is view over network and viewed on multiple devices.
What communication protocol is used by most computer networks?
TCP/IP
Can devices share an IP address?
No - unless they are connected to the same router. IP address is provided by your ISP and is assigned to the device that your modem is connected to, which is typically your router. Therefore, all devices connected to the router (whether wired or wirelessly) will share the same external IP address.
Who assigns the IP address to a device?
ISP provider or network manager
What makes a camera a “network camera”
When it has a built-in ethernet connection
Another name for a network transmitter is a ______.
video server
How does a NVR receive its images?
ethernet connection or internet
NVR’s can be ____ based or ______ based.
internet or network
Is all network based video equipment compatible?
No
What is the main difference between a standard DVR and a Hybrid DVR?
DVR - ethernet and broadcast over network.
Hybrid - receives analog and digital - records over IP
The RIAD array connects directly to the ______ to increase the amount of video storage.
NVR an HVR
What type of additional storage would you recommend to a customer that insists on a very large storage requirement with expansion capabilities in the future?
NAS/SAN
What is the process of viewing network video on a computer?
Typing in the IP Address
How are devices protected to prevent unauthorized viewing or tampering?
passwords (and firewalls?)
What effects can be expected if the network video equipment consumes too much of the available network bandwidth?
slowing network speed, possible system crash
What do you do if the existing network does not have sufficient bandwidth to support the addition of network video?
Install a parallel network
Power over Ethernet (PoE) is ___ volts DC.
48
What is the benefit for powering cameras via PoE?
It eliminates extra power cords.
What are the two memory types network cameras use to store images locally?
local memory, memory card/external drives
How are inputs and outputs used?
sends signals over network, allows them to receive control signals from remote locations.
