Understanding Networks and the Internet

Front

Network

Back

A group of interconnected devices

Front

Internet

Back

Global network of interconnected networks

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

Protocol

Back

Set of rules for data communication

Front

TCP/IP

Back

Core protocols of the Internet

Front

DNS

Back

Domain Name System, translates domain names to IP addresses

Front

HTTP

Back

Hypertext Transfer Protocol, used for web communication

Front

Firewall

Back

Security system that controls incoming and outgoing network traffic