Computing - LANS and WANS

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  • Created by: 13awatson
  • Created on: 10-05-18 19:09
What does LAN stand for?
local area network
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What do LANS do?
cover a small geographical area located on a single site they are either wired or wireless
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Who owns LAN hardware?
LAN hardware is owned by the organisation that uses it
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Who uses LAN'S?
businesses, schools, universities
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Why use a LAN?
sharing files is easier, users can work on documents at the same time, files can be copied between machines, you can share hardware, internet connection can be shared, you can communicate with LAN users easily, user accounts are stored centrally
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What does WAN stand for?
wide area network
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What do WAN'S do?
connects LAN'S that are in different geographical locations
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How do organisation use WAN'S?
they hire infrastructure from telecommunication companies who own and manage the WAN this is because WAN'S are more expensive to set up
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How are WAN'S connected?
fibre or copper telephone lines or wires under the sea
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What is the biggest WAN?
the internet
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Factors that can effect performance of networks
bandwidth, whether the connection is wired or wireless, choice of connection
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What is bandwidth?
the amount of data that can be transferred in a given time. The more bandwidth the better the network can perform
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Wired or wireless
wired connections are faster and more reliable than wireless. Wireless performance depends on signal quality
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Choice of connection
choosing hardware other then cables can have a big effect
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Other cards in this set

Card 2

Front

cover a small geographical area located on a single site they are either wired or wireless

Back

What do LANS do?

Card 3

Front

LAN hardware is owned by the organisation that uses it

Back

Preview of the back of card 3

Card 4

Front

businesses, schools, universities

Back

Preview of the back of card 4

Card 5

Front

sharing files is easier, users can work on documents at the same time, files can be copied between machines, you can share hardware, internet connection can be shared, you can communicate with LAN users easily, user accounts are stored centrally

Back

Preview of the back of card 5
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