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| | NetWorking "N" Definitions and Concepts |
 | | The network architecture, which is defined by the cabling used, by the method used to access the network, and by the format of a data packet on the network. |
 | | Network architectures differ in the cabling used (coaxial, twisted-pair, fiber-optic), the methods used to access the network (CSMA/ CD, token passing, polling), the format of data packets sent across the network, and the network topology. |
 | | Network administration refers to the task of managing and maintaining a network, to make sure all programs are up to date, all hardware is functioning properly, and all authorized users are able to access and work on the network. |
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