What is a distinguishing feature of flash-backed write cache (FBWC)?

A.
It enables disk drive write cache with error checking and correcting (ECC) flash memory.

B.
It uses a fixed read-ahead caching scheme to increase sequential read performance.

C.
It returns write completion status to the operating system after it writes data to the drives.

D.
It uses a capacitor and flash memory to hold data rather than a battery and a DIMM.

Explanation: