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Local Area Network is a computer network linking workstations, file servers, printers, and other devices within a local area, such as a building or an office. LANs allow the sharing of resources and the exchange of both video and data.
LAN's can also be connected to each other through telephone lines or radio waves. Workstations and personal computers in an office are commonly connected to each other with a LAN. This allows them to have send/receive files and/or have access to the files and data. Each computer connected to a LAN is called a node.
Usually, the server has applications and data storage that are shared in common by multiple computer users. A local area network may serve as few as two or three users such as, in home network or many as thousands of users.
Major local area network technologies are:
Ethernet
Token Ring
FDDI
