Understanding Networks for Students

Front

Network

Back

collection of interconnected devices that communicate with each other.

Front

LAN

Back

Area Network; covers a small geographical area like a home or office.

Front

WAN

Back

Area Network; spans large geographical areas, often a country or continent.

Front

Protocol

Back

set of rules governing data communication.

Front

IP Address

Back

unique identifier for a device on a network.

Front

Router

Back

device that forwards data packets between networks.

Front

Bandwidth

Back

maximum data transfer rate of a network.

Front

Ethernet

Back

common method of networking computers in a LAN.

Front

Wi-Fi

Back

networking technology using radio waves.

Front

Firewall

Back

security system that controls incoming and outgoing network traffic.