When performing an installation recovery of VNX OE File to pre-VIA initialization state what impact should be considered?

A.
Reboot the primary DM to force a configuration backup to the standby DM prior to the cleanup.

B.
The back-end cleanup process destroys all file systems and back-end storage.

C.
File systems are preserved but the Control Station and Data Movers must be reconfigured.

D.
File systems are preserved but exports and share configuration must be restored.