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LAN
"LAN" (acronym for "local area network") refers to a relatively small network usually limited to a single building.
It is possible to connect several LANs to each other to create a larger network consisting of numerous small LANs. Such a larger network is known as a wide area network (WAN).
A LAN typically consists of PCs and workstations that make their resources available to other computers in the network, which is a network's primary purpose.
For example, with a LAN consisting of 20 connected computers, it is possible to use a single printer connected to a PC for printing documents from all of the connected computers.
LANs differ from each other in three significant ways:- Topology: The computers' physical arrangement
- Protocols: The "language" used by the computers to communicate with each other.
- Media: For example, type of cable, hubs, switches, etc.
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