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Because LANs are _________ small, they usually use cables or low-power radio (wireless) for the connections


A wireless LAN (WLAN) is a LAN that uses radio signals (__________) to connect computers instead of cables.


At the centre of the WLAN is a wireless switch or router - a small box with one or two ______ sticking out the back

difficult to make secure

However, WLANs are more __________ since other people can also try to connect to the wireless network. So, it is very important to have a good, hard-to-guess password for the WLAN connections.


Typically, the _______ of a wireless connection is about 50m, but it depends how many walls, etc. are in the way.

long wires

It is much more convenient to use wireless connections instead of running _____ all over a building.

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