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Glossary
Broadcast Key
Broadcast keys are sent to stations using 802.1X dynamic keying. Dynamic broadcast
key rotation is often used to allow the access point to generate a random group key and
periodically update all key-management capable wireless clients.
CSMA/CA
Carrier Sense Multiple Access with Collision Avoidance.
Dynamic Host Configuration Protocol (DHCP)
Provides a framework for passing configuration information to hosts on a TCP/IP
network. DHCP is based on the Bootstrap Protocol (BOOTP), adding the capability of
automatic allocation of reusable network addresses and additional configuration options.
Encryption
Data passing between the access point and clients can use encryption to protect from
interception and evesdropping.
Extended Service Set (ESS)
More than one wireless cell can be configured with the same Service Set Identifier to
allow mobile users can roam between different cells with the Extended Service Set.
Extensible Authentication Protocol (EAP)
An authentication protocol used to authenticate network clients. EAP is combined with
IEEE 802.1X port authentication and a RADIUS authentication server to provide "mutual
authentication" between a client, the access point, and the a RADIUS server
Ethernet
A popular local area data communications network, which accepts transmission from
computers and terminals.
File Transfer Protocol (FTP)
A TCP/IP protocol used for file transfer.
Hypertext Transfer Protocol (HTTP)
HTTP is a standard used to transmit and receive all data over the World Wide Web.
IEEE 802.11b
A wireless standard that supports wireless communications in the 2.4 GHz band using
Direct Sequence Spread Spectrum (DSSS). The standard provides for data rates of 1, 2,
5.5, and 11 Mbps.
Glossary-2
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