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Glossary E-2

Bridge A hardware device that links two or more physical networks and manages the

transfer of data between these networks. The two networks connected can be alike

or dissimilar.

Broadband A transmission media that can handle the transmission of multiple messages at

different frequencies, at one time. Broadband signals use analog carriers.

BSS (Basic Service

Set)

A group of wireless clients and an AP using the same ID (SSID).

Channel A channel is a separate path through which signals can flow.

Client A program or computer that is connected to a wired or wireless network.

dBm (Decibels Per

Milliwatt)

A unit of measurement used to express relative difference in power or intensity,

relative to 1 mW.

DHCP (Dynamic

Host Configuration

Protocol)

A method of assigning a temporary IP address to a host, such as a computer,

connected on a specific network. With dynamic addressing, a particular host may

have a different IP address each time it connects to the network.

Digital Data expressed as a string of 0s and 1s. Each of these digits is referred to as a bit

(and a string of 8 bits that a computer can address individually as a group is a

byte).

DNS (Domain

Name System)

This allows you to specify a symbolic name, a meaningful and easy-to-remember

“handle”, instead of an IP address. The DNS is the way that Internet domain

names are located and translated into IP addresses.

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Creative Blaster Modem Guia do Utilizador Página 55