Glossary
Rev 0.21 Dec.04 103
TCP Transmission Control Protocol—The common underlying
communication protocol used on the Internet. A connection
handshake establishes a point to point logical connection. In
contrast to UDP, TCP ensures both ends of the connection are
present and active on the network. TCP ensures delivery of
datagrams.
ToolTip Text that displays when you position the mouse pointer over
an area of the screen (for example, over an indicator).
TTY (TeleTYpe) A device that allows people who are deaf, hard of
hearing, or speech-impaired to use the telephone to commu-
nicate.
UDP User Datagram Protocol—A low overhead, connectionless,
packet delivery IP protocol. Unlike TCP, UDP does not
guarantee delivery of datagrams.
VPN Virtual Private Network
WEP Wired Equivalent Privacy—A WEP key is a security code
used to control access to a hotspot.
WiFi Wireless Fidelity—a high-frequency wireless local area
network (WLAN), known as 802.11.
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