Motorola WE800G Manuel d'utilisateur télécharger pdf (Page 61)

GLOSSARY SECTION 5

SECTION 5, GLOSSARY 5-3

DNS

The Domain Name System is the Internet system for converting

domain names (like www.motorola.com

) to IP addresses. A DNS

server contains a table matching domain names such as

Internetname.com to IP addresses such as 192.169.9.1. When

you access the world-wide web, a DNS server translates the URL

displayed on the browser to the destination website IP address.

The DNS lookup table is a distributed Internet database; no one

DNS server lists all domain name to IP address matches.

Domain Name

A unique name, such as motorola.com, that maps to an IP

address. Domain names are typically much easier to remember

than are IP addresses. See DNS.

Download

To copy a file from one computer to another. You can use the

Internet to download files from a server to a computer.

Driver

Software that enables a computer to interact with a network or

other device. For example, there are drivers for printers, monitors,

graphics adapters, modems, Ethernet, USB, HPNA, and many

others.

DSL

Digital Subscriber Line

DSSS

Direct-Sequence Spread Spectrum. DSSS is a transmission

technology used in WLAN transmissions where a data signal at

the sending station is combined with a higher data rate bit

sequence, or chipping code, that divides the user data according

to a spreading ratio. The chipping code is a redundant bit pattern

for each bit that is transmitted, which increases the signal's

resistance to interference. If one or more bits in the pattern are

damaged during transmission, the original data can be recovered

due to the redundancy of the transmission.

Dynamic IP Address

An IP address that is temporarily leased to a host by a DHCP

server. The opposite of Static IP Address.

ESS

An Extended Service Set (ESS) is a set of two or more BSSs that

form a single subnetwork. See also BSS.

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Motorola WE800G Manuel d'utilisateur Page 61