Cisco AIR-AP1231G-A-K9 Hardware Installation Guide - Page 117
Extensible Authentication Protocol. An optional IEEE 802.1x security feature
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Glossary DHCP dipole domain name DNS DSSS Dynamic host configuration protocol. A protocol available with many operating systems that automatically issues IP addresses within a specified range to devices on the network. The device retains the assigned address for a specific administrator-defined period. 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. E EAP Ethernet 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. F file server firmware A repository for files so that a local area network can share files, mail, and programs. Software that is programmed on a memory chip. G gateway GHz A device that connects two otherwise incompatible networks together. Gigahertz. One billion cycles per second. A unit of measure for frequency. OL-8371-05 Cisco Aironet 1240AG Series Access Point Hardware Installation Guide GL-3