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A network is

[a] system, typically using physical transmission media, to allow communication between multiple electronic devices.[1]
two or more interconnected computers and software that allow multiple individuals to share data, printers, communications systems, electronic mail, switches, wireless devices, access points, laptops, and personal digital assistants, and other resources. Each of these devices is considered a node. Connection media between nodes may include wire cable (twisted pair, untwisted pair, coax), fiber optic, wireless, microwave, infrared, or satellite.


  1. Department of the Army, Supervisory Control and Data Acquisition (SCADA) Systems for Command, Control, Communications, Computer, Intelligence, Surveillance, and Reconnaissance (C4ISR) Facilities, at B-3 (Jan. 21, 2006) (full-text).

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