A backbone network is:

A backbone network is:
A) a high speed central network that connects other networks in a distance spanning up to several miles.
B) a group of personal computers or terminals located in the same general area and connected by a common cable (communication circuit) so they can exchange information.
C) a network spanning a geographical area that usually encompasses a city or county area (3 to 30 miles).
D) a network spanning a large geographical area (up to 1000s of miles).
E) a network spanning exactly 200 miles with common carrier circuits.
Answer :

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