What type of Networking ?

          1 PAN --PERSONAL AREA NETWORKING. LIKE BLUETOOTH. 

          2 LAN --LOCAL AREA NETWORKING. LIKE IN A ROOM, BUILDING .

          3 CAN --CAMPUS AREA NETWORKING. LIKE IN A PARTICULAR CAMPUS AREA.

          4 MAN --METROPOLITAN AREA NETWORKING. LIKE WITH IN METRO CITY.

          5 WAN --WIDE AREA NETWORKING. LIKE CROSS THE NATIONAL BOUNDARY.