NETWORKS ARE MAINLY CLASSIFIED AS
1)LAN
2)MAN
3)WAN
I)LAN: (LOCAL AREA NETWORKS)
In this type of networking we mainly use to connect all of our device that is computers locally for eg.in most of the corporate offices,school or college building,we mainly connect our computers locally.
II)MAN: (METROPOLITAN AREA NETWORK)
In this type of networking we connect our computers according to cities for eg. if any office have four branches in all over india it'll connect all of their device acc. to cities in which their offices are placed.
III)WAN: (WIDE AREA NETWORK)
It is the most preffered networking which are used now days in this network is maintained world wide