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networks

CrazyKat . Computing GCSE Inglés 9 fichas

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1LANLocal area network, high-speed transmission over a restricted geographical area. I.E at home or in an office
2WANWide Area Network, used to link LANS that are separated by large distances, I.E the internet.
3Advantages Of NetworksAllows sharing of software
Files are easily shared
Ease of communication, i.e email
Ease of backup data
ease of sharing resources I.E printers
4Disadvantages Of NetworksCan be expensive to construct (cables)
large networks are complicated and usually need training to maintain
A virus can easily spread through the system to many computers.
Risk of hacking, measures such as firewalls need to be put in place.
5Peer to peerThis describes a very simple network structure where shared resources such as printers are available but where there are very few other facilities.
All computers on the network have similar specification and status.
6Network hardwarestations
servers (file, print, web)
passive components such as cables, connections, etc.
active components such as repeaters, hubs, switches.
7Network stationsPC
Network interface card
Network operating systems
8Network topologyThree types:
Bus, star, mesh
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Descripción: GCSE (Networks) Computing Fichas sobre networks, creado por CrazyKat . el 24/11/2017.
Creado por: CrazyKat .
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