Sunday, 11 October 2015

Networks



LAN

local area network (LAN) is a computer network that connects computers within a certain area such as a residence, school, laboratory, or office building.


WAN

A computer network that covers a relatively large area. Typically, a wide area network (WAN) consists of two or more local-area networks (LANs). Computers connected to a WAN are often connected through public networks, such as the telephone system. They can also be connected through leased lines or satellites.

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