Which is a benefit of using the IBM DS8000 FlashCopy SE (PTC-SE)()
A.FlashCopy SE (PTC-SE) is much faster than the traditional DS8000 full-volume FlashCopy
B.FlashCopy SE (PTC-SE) also supports background copy
C.FlashCopy SE (PTC-SE) is optimized for use in cases where a high percentage of the source volume is updated during the life of the relationship
D.the additional capacity required forFlashCopy SE (PTC-SE) must only be planned for data which is changed on the source volume during host I/O transaction