types of computer networks

May 12th, 2015
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What is Network? • A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications.

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types of networksTYPES OF COMPUTERNETWORKSManinder Kaurprofessormaninder@gmail.comWhat is Network? A network consists of two or more computersthat are linked in order to share resources (suchas printers and CDs), exchange files, or allowelectronic communications. The computers on a network may be linkedthrough cables, telephone lines, radio waves,satellites, or infrared light beams.Different Types of Networks Depending upon the geographical area coveredby a network, it is classified as: Local Area Network (LAN) Metropolitan Area Network (MAN) Wide Area Network (WAN) Personal Area Network (PAN)Local Area Network (LAN) A LAN is a network that is used for communicating amongcomputer devices, usually within an office building or home. LANs enable the sharing of resources such as files or hardware devices that may be needed by multiple users Is limited in size, typically spanning a few hundred meters, and no more than a mile Is fast, with speeds from 10 Mbps to 10 Gbps Requires little wiring, typically a single cable connecting to each device Has lower cost compared to MANs or WANsLocal Area Network (LAN) LANs can be either wired or wireless. Twisted pair,coax or fibre optic cable can be used in wired LANs. Every LAN uses a protocol a set of rules that governs how packets are configured and transmitted. Nodes in a LAN are linked together with a certaintopology.

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