Network Definitions

Front

A network is a collection of computers, servers, mainframes, network devices, and other devices connected to one another for sharing data and resources.

Back

What is a network?

Front

Twisted-pair cable

Back

Consists of two copper wires

twisted together, used inside most

homes for telephone

communications.

Front

Consists of a single copper wire

surrounded by insulating

material, woven metal, and a

plastic outer coating.

Back

Coaxial cable

Front

Consists of numerous thin glass

or plastic strands that transmit

signals using light.

Back

Fibre-optic

cable

Front

A network device used to connect a computer to a

network.

Back

Network adapter (NIC)

Front

to connect a computer to a network over telephone lines

Back

Modem

Front

Provides a central point for cables in a network.

Back

Switches/Hub

Front

Connects multiple networks and allows the networked

devices and users to access the Internet.

Back

Routers

Front

Allows computers and devices to transfer data

wirelessly among themselves or to a wired network.

Back

Wireless Access Point

Front

Extend transmissions so that the signal can cover

longer distances.

Back

Repeaters