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Vinay • 28.75K Points
Instructor II 

Q. Data communication system spanning states, countries, or the whole world is

(A) lan
(B) wan
(C) man
(D) pan
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Explanation by: Vinay 
 wan is the abbreviation for wide area network. this network extends over a large geographical area. wans are used to connect cities, states or even countries. a wireless connection is required to build a wan. the best example of wan is the internet.

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