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security features.
TKIP (Temporal Key Integrity Protocol): An
encryption method replacing WEP. TKIP uses
random IV and frequent key exchanges.
Topology: The shape of a LAN (Local Area
Network) or other communications system.
Twisted Pair: Cable that comprises 2 or more
pair of insulated wires twisted together.
UDP (User Datagram Protocol): A communi-
cation method (protocol) that offers a limited
amount of service when messages are ex-
changed between computers in a network.
UDP is used as an alternative to TCP/IP.
Uplink: Link to the next level up in a communi-
cation hierarchy.
UTP (Unshielded Twisted Pair) cable: Two or
more unshielded wires twisted together to form
a cable.
WAN (Wide Area Network): A networking sys-
tem covering a wide geographical area.
WEP (Wired Equivalent Privacy): An encryption
method based on 64 or 128-bit algorithm.
Web Browser: A software program that allows
viewing of web pages.
Wi-Fi (Wireless Fidelity): An organization that
tests and assures interoperability among WLAN
devices.
Wire Speed: The maximum speed at which a
given packet can be transferred using Ethernet
and Fast Ethernet standard specifications.
WLAN (Wireless LAN): A LAN topology using
wireless devices.
VPN (Virtual Private Network): A security meth-
od to connect remote LAN users to a corporate
LAN system.
39
Glossary
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