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Essential Guide to Telecommunications, The, Third Edition by Annabel Z. Dodd

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LANs, MANs and WANs

The difference between LANs, MANs and WANs is the distance over which devices can communicate with others. See Table 1.4. As the name implies, a local area network is local in nature. It is owned by one organization and is located in a limited geographic area, usually a single building. In larger organizations, LANs can be linked together within a complex of buildings on a campus. Devices such as computers linked together within a city or metropolitan area are part of a metropolitan area network (MAN). Similarly, devices that are linked together between cities are part of a wide area network (WAN).

Table 1.4. LANs, MANs and WANs—What's the Difference?
TermDefinition
LAN (Local Area Network)A group of devices, such as computers, ...

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