A computer network is an arrangement of two or more nodes—such as computers, servers, or mobile devices—connected by physical cables or wireless links to exchange information and share data.

Computer Network

A Local Area Network (LAN) is a network classification describing interconnected devices contained within a single localized physical area, such as an office or a home.

Local Area Network

A Wide Area Network (WAN) is a network classification describing networks that span expansive geographic distances, connecting geographically separated sites and devices.

Wide Area Network

The Internet is the world's largest Wide Area Network, consisting of a decentralized network of millions of independent networks that interconnect and communicate through standardized, shared protocols.

The Internet

A network protocol is an agreed-upon set of rules that defines how data is formatted, transmitted, and exchanged across a network, enabling disparate devices to communicate reliably.

Learn Before

Related

Learn After