1. LAN (Local Area Network)Is a group of computers connected together in a limited area, such as inside the Office building.Or within the plant. Most of the cable is to be used to communicate.2. MAN (Metropolitan Area Network)The system of multiple LAN LAN a. coming.A larger size, such as connected in a city or province, etc.3.WAN (Wide Area Network)Is a group of computers connected together the vast potential within the country.It is used by several countries or between a LAN, or a MAN who is one of several areas.Connect together, such as the New York Office are connected to the London communications may be used, since the phone line until the satellite.
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