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What is a network?
A network is a group of two or more computer systems linked together. There are many types of computer networks, including:
Local-area networks (LANs) : The computers are geographically close together (that is, in the same building). Wide-area networks (WANs) : The computers are farther apart and are connected by telephone lines or radio waves. Campus-area networks (CANs): The computers are within a limited geographic area, such as a campus or military base. Metropolitan-area networks MANs): A data network designed for a town or city. Home-area networks (HANs): A network contained within a user's home that connects a person's digital devices.
A network is a group of two or more computer systems linked together. There are many types of computer networks, including: