1. Network

2. What is a Network? A network is an intricately connected system of objects or people. Networks are all around us, even inside us. Your own nervous system and cardiovascular system are networks. A network is simply a group of two or more computers linked together. An endpoint of a network connection is referred as a node . That is, any device attached to a network, including computer terminals or workstations, peripherals such as printers, and file servers , is a node on a computer network.

8. Network Hardware

9. Network Transmission Hardware

10. Network Transmission Hardware

11. Types of Networks Local Area Network A local area network (LAN) is generally confined to limited geographical area.

12. Types of Networks Wide Area Network A wide area network (WAN) is made up of several connected local area networks.