A customer has a requirement to keep periodic point-in-time copies of their most important
application on disk so that it can be restored quickly in the event of data corruption. What is the
most efficient and cost-effective way to achieve this requirement?

A.
Use Enhanced Remote Mirroring to mirror the data to SATA disk on a second DS4000 at a
remote site

B.
UseFlashcopy to make periodic point-in-time copies of the data that can be backed up to tape

C.
UseFlashcopy and Volume Copy to make periodic point-in-time copies of the data to SATA disk

D.
UseVolumeCopy to make periodic point-in-time copies of the data that can be backed up to
tape