You are developing a device driver for the on/off switch.

You include the following values in the registry for the driver.

[HKEY_LOCAL_MACHINE\Drivers\Builtin\OnOffDriver]
“Prefix”=”OOS”
“Dll”=”OnOffDriver.dll”

You need to ensure that the driver is successfully loaded by the device manager at boot time.

Which functions should you implement?

A.
OOS_Init, OOS_Deinit, OOS_Open, OOS_Close, OOS_IoControl

B.
XXX_Init, XXX_Deinit, XXX_Open, XXX_Close, XXX_IoControl

C.
OOS_Seek, OOS_Read, OOS_Write

D.
XXX_Seek, XXX_Read, XXX_Write