Essentially all networks are data networks, including local area networks (LANs), public and private wide area networks (WANs) and the Internet, the global wide area network. See LAN and WAN.
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Lifewire on MSNWide Area Networks Explained: The Technology That Connects the GlobeWhat is a WAN and how does it work? A wide area network spans a large geographic area such as a city, state, or country. It ...
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