what is a lan

LAN is the name given to a local area network. We have already seen that in many home networks, the access to the Internet is via a Wireless router. This allows wireless enabled (sometimes called WiFi) laptops to communicate with the Internet.

A business LAN is likely to be more complex. Typical elements of a business LAN for a Small or medium sized business might look like this:

computers connecting to local area network which also have access to external networks
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a cat5 socket