Network
(n.) A network is a group of two or more computer systems linked together. There are many types of computer networks, including the following:
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.
Network Characteristics
In addition to these types, the following characteristics are also used to categorize different types of networks:
topology : The geometric arrangement of a computer system. Common topologies include a bus, star, and ring. See the Network topology diagrams in the Quick Reference section of
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