LAN (Local Area Network) is a network that connects computers and devices within a small geographical area such as a building, office, or campus. LANs are typically owned and maintained by a single organization and are used for sharing resources such as printers, files, and internet access.

MAN (Metropolitan Area Network) is a network that covers a larger geographical area than a LAN but smaller than a WAN. MANs are typically used by organizations that need to connect multiple LANs in different buildings or locations within a city or metropolitan area.

WAN (Wide Area Network) is a network that covers a large geographical area such as a country, a continent, or even the entire world. WANs are typically owned and maintained by telecommunication companies and are used for connecting geographically dispersed LANs and MANs.

WLAN (Wireless Local Area Network) is a type of LAN that uses wireless technology such as Wi-Fi to connect devices within a small geographical area. WLANs are commonly used in homes, offices, and public spaces such as airports and cafes.

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