Introduction to Networking

Networking allows sharing data and resources among various computers. A computer network is mainly classified into three types: Local Area Network (LAN), Metropolitan Area Network (MAN) and Wide Area Network (WAN). LAN connects nodes over a short distance. MAN connects nodes over an area larger than a LAN but smaller than a WAN. WAN connects nodes over large geographical areas.

A computer network consists of two or more computers that are linked in order to share resources, exchange files, or allow electronic communications. A wireless network is any type of computer network that uses wireless data connections for connecting network nodes. Local Area Network is a network established locally within a room, building or a campus. It ranges up to 10 kms.A Wide Area Network spans a large geographic area, such as a state, province or country. Wide Area Networks often connect multiple smaller networks, such as local area networks or Metropolitan area networks (MANs).

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