Technician a Says That When Computer-Controlled,electronically Variable Steering (EVS)is Used

Multiple Choice

Technician A says that when computer-controlled,electronically variable steering (EVS) is used on current trucks,it must have a full redundancy to mechanical operation.Technician B says that an advantage of EVS is that hydraulic-assist pressure can be managed independently from engine speed.Who is correct?

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