DEFINITION	LOCAL AREA NETWORK (LAN)
AREAS OF COVERAGE	ADVANTAGES DISADVANTAGES 1.hardware and software can be share 1.a virus can spread more easily 2.all the users work can be stored in a central place 2. printing can be slow ,long print queues may develop
OWNERSHIP	METROPOLITAN AREA NETWORK (MAN) ADVANTAGES DISADVANTAGES 1.MAN can enhance data transfer efficiently because its connects many LANS together and increases area coverage. 1.as the network connects many computers over networks, the connection become quite slowly
ADVANTAGES AND DISADVANTAGES	WIDE AREA NETWORK (WAN) ADVANTAGES DISADVANTAGES 1.messages can be sent very quickly  to anyone else in the network 1.encryption  of secure data  such as financial transaction s is necessary  because it is even easier  to capture data. 2.sharing of data or information is private and confidential 2.hackers could break into a computer  system from anywhere  in the world  rather than having to psysically be in the building.
EXAMPLES OF APPLICATION