Two technicians are discussing scan-tool use. Technician A says that a special diagnostic interface device is needed to connect the vehicle to the laptop computer. Technician B says that all of the computers in a modern vehicle are connected through an SAE-standard J1939 CAN (Central Area Network) or LAN (Local Area Network) connection. Who is correct?
A. Technician B only
B. Neither Technician A nor B
C. Both Technicians A and B
D. Technician A only
ANSWER: Both technicians are correct, I have taken the test.