Technician a Says That a High Bus Backbone Consists of a Twisted

Multiple Choice

Technician A says that a high bus backbone consists of a twisted wire pair wound with bare copper wire and wrapped with a foil shield.Technician B says that the bare copper wire used in a high bus backbone is known as the drain.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B