A national bank is saving scanned check images on a CLARiiON. Due to government regulation changes, the bank needs to maintain a copy of the checks on tapes. In addition, the bank policies require that the check images are maintained on the primary storage as long as possible without adding capacity.
How should you configure EMC DiskXtender for Windows to achieve this requirement?

A.
Do not create purge rules so that files remain on the CLARiiON

B.
Exclude the files from being migrated to secondary storage

C.
Purge the images from the CLARiiON based on their last access date

D.
Purge the images from the CLARiiON based on watermarks