What is a local area network (LAN)?

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A local area network (LAN) is a computer network that connects computers within a limited area, like a home, school, or office building. Local networks can be classified into three types:

  • Ethernet: the most common type of wired LAN
  • Wireless: a wireless LAN (WLAN)
  • Power line communication (PLC): uses power lines to transmit data.

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