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Low Voltage Year 2 > Blue Book Chapter 5 > Flashcards

Blue Book Chapter 5 Flashcards

1
Q

what communication protocol is used by most computer networks

A

TCP/IP

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2
Q

how are inputs and outputs on a camera used

A

allow network transmitters to send signals to other locations over the network

allow transmitter to receive control signals from remote locations

can control auxiliary devices (EG motion detection, speakers)

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3
Q

How does a NVR receive its images

A

through a network connection

it can be a ethernet network or internet

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4
Q

who assigns the IP address to a device

A

network manager

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5
Q

POE

A

power over ethernet

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6
Q

RAID viewing or tampering

A

redundant array of independent disks

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7
Q

another name for network transmitter is a

A

video server

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8
Q

what is the main difference between a standard DVR and a hybrid DVR

A

a DVR only has the ability to record a digital signal while a HDVR has the ability to record digital and analog signals

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9
Q

SAN (acronym meaning)

A

storage area network

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10
Q

NVR

A

network video recorder

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11
Q

What is the process for viewing network video on a computer

A

type the IP address into a web browser

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12
Q

what do you do if the existing network does not have sufficient bandwidth to support the addition of network video

A

install a parallel network

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13
Q

what affects can be expected if the network video equipment consumes too much of the available network bandwidth

A

slowing of network speed and crashes

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14
Q

is all network based video equipment compatible

A

NO

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15
Q

power over ethernet is ______ volts DC

A

48 VDC

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16
Q

How does network video differ from standard CCTV

A

standard video systems are hardwired to a image store/management system while network video systems connect to the network hub and can be viewed by multiple devices

17
Q

how are devices protected to prevent unauthorized

A

a password and User ID

18
Q

the RAID array connects directly to the ______ to increase the amount of video storage

A

NVR/HVR

19
Q

what is the benefit for powering cameras via POE

A

one cable

20
Q

what at the two memory types network cameras use to store images locally

A

built in or via memory card

21
Q

What makes a camera a “network Camera”?

A

it has an ethernet connection and a NIC

22
Q

What is a SAN

A

a whole network set up solely to store data

23
Q

Can devices share an IP address

A

no, it would confuse the system

24
Q

why would you connect a RAID array to a HVR

A

to increase the amount of video storage

25
Q

what type of additional storage would you recommend to a customer that insists on a very large storage reuqirement with expansion capabilities in the future

A

SAN - Storage area network

Low Voltage Year 2 (6 decks)

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