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Which application drove the adoption of Ethernet in vehicles?

  • A.Cameras, radar and driver assistance data
  • B.The engine management system, whose data volume exceeded the capacity of the controller area network in use
  • C.Lighting
  • D.High bandwidth sensor data from cameras and radar together with software updates over the air to the control units

Answer: A

Camera and radar data and large software downloads both exceed what a controller area network can carry. The last option names both drivers, which makes it a correct and fuller statement of the same answer. Checking which component actually carries the load settles most questions of this kind at once. Naming what changes and what stays the same is the reliable route through questions of this shape. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision.

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