Hi pupil here's your answer ::
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The differences between LAN and WAN are as follows :

✴Local Area networks are small networks of computers.
✴ These networks span in small geographical area, generally within 1 to 5 KM of range.
✴ A LAN does not consist of any other type of network.
✴Cables are generally used as the communication channel.

✴Wide Area Networks or WAN are very large networks of computer.
✴These networks standard Geographic areas, generally covering a couple of miles, sometimes connecting computers miles apart.
✴A WAN normally consists of many small or large LANs.
✴Microwaves and satellites are normally used as the communication channels.
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Hope this helps. . . . . . . ☺☺