Credit:  refers to the physical arrangement of the computers and other networking devices that are linked together.

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Presentation transcript:

Credit:

 refers to the physical arrangement of the computers and other networking devices that are linked together  defines how nodes are connected to one another in a communication network

 Bus topology  Ring topology  Star topology

 A bus refers to the main physical pathway or central cable where all other devices are connected to it  A bus topology consists of a single central cable to which all computers and other devices connect  also known as a bus network

Easy implementation. Failure of a node doesn't affect the entire LAN. No disruptions to the network when connecting or removing devices. Network can easily be extended, by adding new devices to the backbone or existing nodes.

 If the backbone fails, the entire bus network will be affected.  Network speed decreases when the number of nodes increases.  Troubleshooting is difficult when one of the nodes fails.

Backbone / central cable

 consists of all computers and other devices that are connected in a loop  also known as a ring network  each node directly connect to two neighbouring nodes

 Troubleshooting is easy when one of the nodes fails.  Repair or remove the failing nodes and the network will continue to function.

 Implementation is difficult.  A failing node will affect the entire LAN.  Connecting or removing devices is difficult.  Network speed decreases when the number of nodes increases.

 consists of a central host which acts as the centre, and all nodes connect to the host  also known as star network

 It is easy to implement.  The failure of a node does not affect the entire LAN.  There are no disruptions to the network when connecting or removing devices.  The network can be extended by adding new devices to the host or nodes.  Troubleshooting is easy

 If the host fails, the entire LAN will be affected.  Network speed decreases when the number of nodes increases.  Troubleshooting is difficult when one of the nodes fails.  A host must be installed to control the network.

HUB / CENTRAL HOST