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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

A system administrator wants to automatically eject the backup tape each night after the backup is complete. Which command can be used to eject the tape?() tar。 tctl。 rmdev。 backu。 混凝土的耐久性是指混凝土抵抗环境介质作用并长期保持其良好的使用性能和外观完整性的能力。它是一个综合性概念。包括()。 抗渗。 抗冻。 抗疲劳。 碳化。 碱骨料反应。 In addition to a POWER5 system and an HMC, what else is required to enable Micro-Partitions in an AIX environment?() AIX 5.3 and Dynamic Logical Partitioning。 AIX 5.2 and Dynamic Logical Partitioning。 AIX 5.2 and Advanced POWER Virtualization feature。 AIX 5.3 and Advanced POWER Virtualization feature。 A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?() Sequence。 Table Function。 Identity Column。 INSTEAD OF Trigger。 现代城市发展的规律。

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()

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