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Local Area Network


Local Area Network (LAN)  is a computer network covering a small local area, like offices or a plant. Occasionally the term Campus Area Network is used for those which link several buildings. The defining characteristics of a LAN, in contrast to a Wide area network (WAN)are the much higher data rates of a small geographic range -at most a few kilometers. LANs are generally based on switched Ethernet or Wi-Fi technology running at 10, 100 or 1,000 M bit/s (1,000 M bit/s is also known as 1 G bit/s).