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LAN networking comprises cables, switches, routers and other components that let users connect to internal servers, websites and other LANs via.

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Local Area Network (LAN)A local-area network (LAN) is a computer network that spans a relatively small area. Most often, a LAN is confined to a single room, building or group of buildings, however, oneLAN can be connected to other LANs over any distance via telephone lines and radio waves.

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A star topology is a topology for a Local Area Network(LAN) in which all nodes are individually connected to a central connection point, like a hub or a switch.

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Other information I learn about this topic 

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Other information I learn about this topic 

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is that All traffic emanates from the hub of the star. The central site is in control of all the nodes attached to it. The central hub is usually a fast, self contained computer and is responsible for routing all traffic to other nodes. The main advantages of a star network is that one malfunctioning node does not affect the rest of the network. However this type of network can be prone to bottleneck and failure problems at the central site.

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if a hub or switch fails all the devices connected to it will have no network connection

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high performing as no data collisions can occur

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A startakes more cable than e.g. a bus, but the benefit is that if a cable fails, only one node will be brought down. For example its mostly used in schools.

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Roberts, Lawrence G.; Wessler, Barry D. (1970), "Computer network development to achieve resource sharing", AFIPS '70 (Spring): Proceedings of the May 5–7, 1970, spring joint computer conference, New York, NY, USA: ACM, pp. 543–549,