Data corruption of an application, running on a UNIX host, has occurred. However, this data is available on Symmetrix BCV Devices due to a previous point in time copy. Which two steps should be carried out prior to a TimeFinder Restore operation being initiated? (Choose two)

A.
Ensure that the BCVs are not mapped to any Symmetrix Front End Ports.

B.
Convert the Standard Devices to BCVs.

C.
Unmap the Standard Devices on which the application is stored.

D.
Stop the production application, unmount the filesystem.

E.
Ensure that the BCVs are unmounted and not in use.