Question

what is the purpose of LAN ?​

Answer 1

the purpose of LAN is to provide Local area network at a small scale

Answer 2

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A local area network (LAN) is a group of computers and associated devices that share a common communications line or wireless link to a server. Ethernet and Wi-Fi are the two primary ways to enable LAN connections. Ethernet is a specification that enables computers to communicate with each other.
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