Dr Bill, your boss at YourDomain is curios about WANs. She asks what part of a WAN is characterized by:
* handling most of the traffic * provides thee highest-speed transmission paths in the network * Operates over the longest distance? What should you tell her?

A.
This would be the Frame Relay.

B.
This would be the PSTN.

C.
This would be the Backbone.

D.
This would be the Access point.

E.
This would be the Edge.