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Transmission Control
Protocol/Internet
Protocol (TCP/IP)
10 Base-T
Twisted pair cable
Universal Serial Bus
(USB)
Wide Area Network
(WAN)
Wired Equivalent
Privacy (WEP)
Wi-Fi
A suite of communication protocols that are used by computers or networking
devices on the Internet so that they can communicate with each other. TCP/IP uses
several protocols, the two main being TCP and IP.
A wiring standard used for Ethernet networks that can transmit data at up to 10
Mbps transmission using baseband unshielded twisted pair cables. The maximum
cable length allowed is 100 meters (330 feet).
A cable that consists of two wires twisted together. This cable is less expensive but
more brittle than a coaxial cable.
Universal Serial Bus — A plug-and-play interface that allows the user to attach a
device without having to add an adapter card and turning off the computer.
A computer network that spans a relatively large geographical area. Typically, a WAN
consists of two or more local-area networks (LANs).
A wireless security policy defined by the IEEE 802.11 working group. WEP uses the
RC-4 40-bit encryption algorithm to scramble all data before it is transmitted.
Vendors add proprietary encryption features to their software, taking the encryption
level up to 128 bits.
Wi-Fi is promoted by the Wireless Ethernet Compatibility Alliance (WECA) — a
collection of companies that places a stamp of certification on Wi-Fi products. It
ensures the equipment's interoperability will all 802.11b compliant devices.
Glossary
D-9
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