单项选择题

A customer is currently using EMC’s Mirrorview/A. Their primary site is 400 kilometers away fromthe secondary site， and they have an RPO of 4 hours. What is the IBM equivalent product？（）

A.Global Copy
B.Sync Mirror
C.Metro Mirror
D.TPC for Replication

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单项选择题

A customer would like to see the components needed to perform an upgrade on their DS5100system and get a list price of the cost. What tool can the storage specialist use to generate thisdocument？（）

A.eConfig
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Why is ProtecTIER’s HyperFactor technology superior to Data Domain’s hash-based deduplicationalgorithms？（）

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C.it looks for identical matches comparing chunks of data
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单项选择题

Moving data is one of the most common causes of planned downtime. For which of the followingpurposes might the data migration function of the SAN Volume Controller be used？（）

A.when replacing an SVC node due to a failure
B.when migrating from a Windows OS to a Linux OS
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