Linksys WUSB54GR, Руководство пользователя

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47 Appendix E: Glossary
Wireless-G USB Network Adapter with RangeBooster
OFDM ( O rthogonal F requency D ivision M ultiplexing) - Frequency transmission that separates the data stream
into a number of lower-speed data streams, which are then transmitted in parallel to prevent information from
being lost in transit.
Packet - A unit of data sent over a network.
Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically
generating the WEP encryption keys for Linksys products.
PEAP ( P rotected E xtensible A uthentication P rotocol) - A mutual authentication method that uses a combination
of digital certificates and another system, such as passwords.
Ping ( P acket IN ternet G roper) - An Internet utility used to determine whether a particular IP address is online.
POP3 ( P ost O ffice P rotocol 3 ) - A standard mail server commonly used on the Internet.
Port - The connection point on a computer or networking device used for plugging in cables or adapters.
P ower o ver E thernet ( PoE ) - A technology enabling an Ethernet network cable to deliver both data and power.
PPPoE ( P oint to P oint P rotocol o ver E thernet) - A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP ( P oint-to- P oint T unneling P rotocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be
tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.
Preamble - Part of the wireless signal that synchronizes network traffic.
QoS ( Q uality o f S ervice) - QoS ensures better service to high-priority types of network traffic, which may involve
demanding, real-time applications, such as videoconferencing.
RADIUS ( R emote A uthentication D ial- I n U ser S ervice) - A protocol that uses an authentication server to control
network access.
RJ-45 ( R egistered J ack -45 ) - An Ethernet connector that holds up to eight wires.
Roaming - The ability to take a wireless device from one access point's range to another without losing the
connection.
Router - A networking device that connects multiple networks together.