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Coaxial cable |
Twisted Pair |
Fiber
optic |
<Wireless radio> |
Wireless infrared
Wireless- radio connectivity
Radio connectivity is used to extend the range of a LAN or make
it easy for users with laptops to connect to the LAN without the use of cabling.
Wireless radio LANs require that an access point be placed on the network for
the computers that wish to connect to the LAN.
The distance that a computer can be from the access point and
still connect to the LAN varies form wireless product to wireless product.
One issue related to wireless radio LANs is that it is fairly
easy to intercept data. Although most radio LANs use one particular frequency,
there are strategies for minimizing the possibility of data being intercepted
(known as eavesdropping).
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Coaxial cable ~
Twisted pair ~
Fiber optic ~
Wireless infrared
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