What is Network and types of Network?

When two or more than two Computers connect with each other for sharing data is called a network.

                  1)      LAN(Local Area Network)

                  2)      MAN(Metropolitan Area Network)

                  3)    WAN(Wide Area Network)

                  1)    Building and surrounding (limited)

                  2)   City level by signal

                  3)   Word level (by satellite)