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LAN is a short form for Local Area Network. A LAN is a shared communication line or wireless link of a group of computers and associated devices to a server which is created and exist in a small geographical area. Most often, LANs can be found in a single room, homes, offices etc.

Computer and other devices use a LAN as a medium to access and share resources, information, and files like printers, data storage devices, and scanners.

It can be connected through wired, wireless or both (depends on the router). A common wired LAN connection uses theEthernet cable and port to connect the computer and other devices while the wireless uses the Wi-Fi signal.

Multiple LANs can be merge or connect to each other to make a larger LAN. So, it’s a custom network created from one or more existing LANs to include particular devices called VLAN.

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