Explain why the Standby Power Supply (SPS) maintains power to the Storage Processors (SP) and the first [ist] Disk Enclosure (DAE2) during a power failure.

A.
To supply power to the Standby Data Mover

B.
To flush the write cache to disks 0-4 which houses the “Vault Area”

C.
To keep the first DAE2 and SPS running until power is restored

D.
To read the cache “Vault Area” regarding how to power down the NS600