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Chapter 8


A high-speed network that connects local area networks in a metropolitan area and handles the bulk of communications activity across that region

communications device

For successful communications, you must have a ____ that connects a communications channel to a receiving device.

hot spot

An area with the capability of wireless Internet capability


A type of communications device that connects multiple computers together and transmits data to its correct destination

FTP software

Type of application software used for communications


Another name for a cable modem


Network topology that consists of a single central cable tow hich all computers and other network devices are connected


Type of wireless home network that can send signals over distances up to 1,500 feet in some configurations


An Internet network on which users connect directly to each other's hard disks and exchange files

wireless access point

A central communications device that allows computers and devices to transfer data wirelessly among themselves

network topology

The layout of the computers and devices in a communications network


A communications device that converts analog and digital signals


A type of network that covers a large geographic area, such as a city, country, or the world, using a communications channel that combines many types of media such as telephone lines, cables, and radio waves


A collection of computers and devices connected via communications devices and transmission media


Coaxial cable is often referred to as ____.

public Internet access point

Allows users to connect wirelessly to the Internet using their mobile computers or devices


The most common type of network card

communications channel

Data, instructions, and information travel on a ____


Serves as both a sending and receiving device in a communications system


A place that provides computers with Internet access to its customers


A temporary connection that uses one or more analog telephone lines for communications

digital signal

Consists of individual electrical pulses that represent bits grouped together into bytes

token ring

Technology that ensures only one computer transmits data at a time

Bluetooth port

Enables devices to transfer data via infrared light waves at rates from 115 kbps to 4Mbps


The maximum amount of data, instructions, or information that can travel over a communications channel


The amount of data, instructions, or information that can travel over a communications channel at one time

optical fiber

The core consists of dozens or hundreds of thin strands of glass or plastic that use light to transmit signals

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