Technician a Says That a Scan Tool Should Be Disconnected

Multiple Choice

Technician A says that a scan tool should be disconnected from the DLC with the ignition switch on. Technician B says that on some computer-controlled air suspension systems, the scan tool may be used to command the computer to fill and vent each air spring. Who is correct?

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