题目内容

A UNIX customer has a Symmetrix DMX that has crashed three times in the past six months， causing data loss. The customer is shopping for an enterprise storage solution to provide point-in- time copy functionality without a fixed relationship to its primaries. Which IBM solution best meets this customer’s requirements（）

A. IBM System Storage DS8700 andVolumeCopy
B. IBM System Storage DS8700 andFlashCopy
C. IBM System Storage DS8700 andFlashCopy with the NoCopy option
D. IBM System Storage DS8700 andFlashCopy with the Persistent optio

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