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Data communication system within a building or campus is________(a) LAN(b) WAN(c) MAN(d) PANThis question was addressed to me in an interview for internship.My question is from Topology in division Security & Physical Layer of Computer Network

Answer»

The correct choice is (a) LAN

The best I can explain: LAN is an ABBREVIATION for Local AREA Network. This network interconnects COMPUTERS in a small area such as schools, offices, residence etc. It is the most VERSATILE kind of data communication system where most of the computer network CONCEPTS can be visibly used.



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