27 terms

Networks & Communication

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