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Personal Area Network (PAN) – very short distance. An example is Bluetooth.
Local Area Network (LAN) – connects hosts in a single office or building. It can be as simple as two PCs and a printer in someone’s home office. Examples are Ethernet and Wireless LAN (WLAN). Metropolitan Area Network (MAN) – stretched over an urban area. Example: WiMAX
Wide Area Network (WAN) – extends over a large area. Spanning a town, province, or country. If LAN interconnects hosts, WAN interconnects switches, routers, or modems. It is often run by communication companies. Example: Mobile Broadband...