Glossary 81
Twisted-pair Wire such as is commonly used with net-
working, consisting of pairs of copper wire
usually terminating in an RJ-45 connector.
U
UTP/STP UTP – unshielded twisted-pair, twisted pair
wire without shielding. STP – shielded
twisted-pair, twisted-pair wire with shield-
ing.
W
WAN Wide Area Network, an interconnected set of
computers and other devices spread over a
large geographic area. (Often used synony-
mously with “internet.”) A WAN connection
might be the connection of two office build-
ings on different sides of the city, or a
connection to the Internet, for example.
Compare, “LAN.”
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