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7248176
Networks
Descrição
ict networks
Sem etiquetas
networks
topology
ict
it
btec
Mapa Mental por
Jemma Ward
, atualizado more than 1 year ago
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Criado por
Jemma Ward
aproximadamente 8 anos atrás
21
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Resumo de Recurso
Networks
Pats of a network
Cables
Connectors
Network software
Network interface card
What is a network?
A network is an interconnected collection of computers.
Types of networks
LAN - Local Area Network
WAN - Wide Area Network
NAN - Metropolitan Area Network
What is a Typology?
The arrangement of computers in a network.
Examples
Bus
Pros : If one node fails the others aren't effected. Simple and easy to set up.
Cons : If the cable malfunctions, the networks goes down. Cables and numbers of nodes are limited.
Star
Pro : If one system beaks it doesn't effect the network.
Con : It is dependent of the central computer, and wiring is expensive.
Ring
Pros : Easy to access/transmit data, and doesn't require a server. It works better than star.
Cons : One malfunctioning node can stop the whole network. It is also slower than Ethernet. Moving, adding, and changing devices can be straining.
Hierarchial
Cons : If one node fails, the others all fail as well.
Pros : Data can easily be shared as all nodes are interconnected to one another.
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