Cisco Cisco Aironet 702i Access Point

A type of low-gain (2.2-dBi) antenna consisting of two (often internal) elements.

The text name that refers to a grouping of networks or network resources based 
on organization-type or geography; for example: name.com—commercial; 
name.edu—educational; name.gov—government; ISPname.net—network 
provider (such as an ISP); name.ar—Argentina; name.au—Australia; and so on.

Domain Name System server. A server that translates text names into IP 
addresses. The server maintains a database of host alphanumeric names and their 
corresponding IP addresses.

Direct sequence spread spectrum. A type of spread spectrum radio transmission 
that spreads its signal continuously over a wide frequency band.

Extensible Authentication Protocol. An optional IEEE 802.1x security feature 
ideal for organizations with a large user base and access to an EAP-enabled 
Remote Authentication Dial-In User Service (RADIUS) server.

The most widely used wired local area network. Ethernet uses carrier sense 
multiple access (CSMA) to allow computers to share a network and operates at 
10, 100, or 1000 Mbps, depending on the physical layer used.

A repository for files so that a local area network can share files, mail, and 
programs.

Software that is programmed on a memory chip.

A device that connects two otherwise incompatible networks together.

Gigahertz. One billion cycles per second. A unit of measure for frequency.

Institute of Electrical and Electronic Engineers. A professional society serving 
electrical engineers through its publications, conferences, and standards 
development activities. The body responsible for the Ethernet 802.3 and wireless 
LAN 802.11 specifications.

The wired Ethernet network.

The Internet Protocol (IP) address of a station.