Tuesday 2 January 2018

NETWORK TOPOLOGY

WHAT IS NETWORK TOPOLOGY?


A network topology refers to the layout of the computers and devices in a communications network.It refers to both the physical and logical layout of a network.

physical-The arrangement of a cabling is the physical topology.

logical-The path that data travels between computers on a network is the logical topology.

Network topology can be devided into three types that commonly used.Star topology,Bus topology and Ring topology.


Star topology.

All the computers and other devices on the network connect to a central device,thus forming a star.



Bus topology.

A bus network consists of a single central cable (backbone), to which all computers and other devices connect.




Ring topology.

On a ring network,a cable forms a closed loop(ring) with all computers and devices arranged along the ring.






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