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...What is network a consists of two or more computers that are linked in order to share resources such as printers and cds exchange files allow electronic communications the on may be through cables telephone lines radio waves satellites infrared light beams different types networks depending upon geographical area covered by it classified local lan metropolitan man wide wan personal pan used for communicating among computer devices usually within an office building home s enable sharing hardware needed multiple users limited size typically spanning few hundred meters no than mile fast with speeds from mbps gbps requires little wiring single cable connecting each device has lower cost compared can either wired wireless twisted pair coax fibre optic every uses protocol set rules governs how packets configured transmitted nodes together certain topology these topologies include bus ring star lans capable very high transmission rates mb g b...