Disable
Obsolete reference to the Exclusion List.
Diversity Antenna
A type of antenna system that uses two antennas to maximize reception and transmission quality and reduce interference.
DMZ
Demilitarized Zone. A network layer added between the outside network (least secure) and internal network (most secure) in order to add an extra level of security protection. Many companies choose to locate Wireless Controllers, mail servers, Web servers, and remote access servers in the DMZ.
DNS
A program that translates URLs to IP Addresses by accessing a database maintained on a collection of Internet servers. The program works behind the scenes to facilitate surfing the Web with alpha versus numeric addresses. A DNS server converts a name like mywebsite.com to a series of numbers like 107.22.55.26. Every website has its own specific IP Address on the Internet.
DOS Attacks
Denial of Service Attacks. A network attack that creates enough congestion to block normal traffic.
DSCP
Differentiated Services Code Point. A packet header code from 0 - 63 that can be used to define quality of service across the Internet.
DSL
Various technology protocols for
DSSS
Direct Sequence Spread Spectrum. A carrier modulation technique used for 802.11b transmissions.
DTIM
Delivery Traffic Indication Map. A part of the TIM element in 802.11 beacons when a client has frames buffered in the AP for broadcasting or multicasting. The buffered frames are broadcasted or multicasted at each DTIM, when all
Dynamic Encryption Keys
EAP
Extensible Authentication Protocol. Used under 802.1X framework as a PPP extension to provide addi- tional authentication options.
EIRP
Effective Isotropic Radiated Power. The equivalent transmitted signal power relative to a hypothetical isotropic (omnidirectional) radiator, measured in dBi (decibels isotropic).
Encryption
A method of scrambling data to maintain privacy.
5/26/05 | Glossary |
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