The types of network are divided on the basis of the number of systems or devices that are in the networked area. Computer Networking is one of the most significant parts of computing. Networking is the procedure by which two or more systems are connected with each other for a communication. By building a network, devices like printers and scanners, software, and files and data that are saved in the computer can be shared. It helps the communication among a number of computers easy. By computer networking the user access possibly restricted when required.

There are two types of network:

• Local Area Network (LAN): This system use for a small area like a small office or home. The computer systems are connected with cables. In LAN system computers on the same site could be connected.

• Wide Area Network (WAN): WAN is a type of networking where several resources are installed across a large area like multinational business. Through WAN offices in different countries can be interconnected. The best example of a WAN is the largest network in the world. In WAN computer on different locations can be connected.