Major Types of Networks

• LAN - Local Area Network

Confined to a limited geographical area, Basic building block of any computer network

• WAN - Wide Area Network

Has no geographical limit

A collection of LAN’s

The Internet is a WAN

• Internet – Public WAN using TCP/IP Protocol
• World Wide
• Common language (Protocol) so all platforms can connect

• Intranet – Private WAN using TCP/IP Protocol
• Has no geographical limit
• Works like an Internet site so everything that runs there runs here