42 Section 3A. Glossary
䢇 TCP — Transmission Control Protocol. A core protocol
for transmitting and receiving information over the
Internet.
䢇 TCP/IP — Transmission Control Protocol/Internet
Protocol. A communications protocol developed
under contract from the U.S. Department of Defense
to internetwork dissimilar systems.
䢇 Telnet — Telecommunication Network. A network
protocol used on the Internet or on local area
networks.
䢇 TFTP — Trivial File Transfer Protocol. A file transfer
protocol with a subset of FTP functionality.
䢇 UDP — User Datagram Protocol. A simple transport
protocol used to transfer information on the Internet.
䢇 VNC — Virtual Network Computing. A graphical
desktop sharing system that uses the RFB protocol
to remotely control another computer.
䢇 VPN — Virtual Private Network. A secure private
network that runs over the public Internet.
䢇 VPN Passthrough — A feature that allows a client to
establish a tunnel only with a specific VPN server.
䢇 WAN — Wide Area Network. A public network that
extends beyond architectural, geographical, or
political boundaries (unlike a LAN, which is usually a
private network located within a room, building, or
other limited area).
䢇 WEP — Wired Equivalent Privacy. An IEEE standard
security protocol for 802.11 networks. Superseded by
WPA and WPA2.
䢇 WiFi — Wireless Fidelity. Any system that uses the
802.11 standard developed and released in 1997 by
the IEEE (Institute of Electrical and Electronics
Engineers).
䢇 WiFi Client — A wireless device that connects to the
Internet via WiFi.
䢇 WLAN — WiFi LAN. A typically low-power network
that transmits a wireless signal over a span of a few
hundred feet and usually only to stationary devices.
䢇 WPA/WPA2 — WiFi Protected Access. A security
protocol for wireless 802.11 networks from the Wi-Fi
Alliance.
䢇 WWAN — Wireless Wide Area Network. Wireless
connectivity to the Internet achieved using cellular
tower technology. This service is provided through
cellular providers. WWAN connectivity allows a user
with a laptop and a WWAN device to surf the Internet,
check email, or connect to a virtual private network
(VPN) from anywhere within the regional boundaries
of the cellular service.
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