单项选择题
A customer needs a remote data copy， data migration， and off-site backup solution. The solution cannot impact application performance. The sites are over continental distances.
Which characteristic of DS8700 Global Mirror makes it a good fit for this customer（）
A.it provides synchronous mirroring on both sides
B.it can be implemented withoutFlashCopy volumes at the target site
C.with Global Mirror， the Metro Mirror functions can be used over continental distances
D.it has almost no impact on application performance because of its extremely short andadjustable coordination time
相关考题
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单项选择题
A current IBM System Storage DS8000 open systems customer needs a temporary copy of data that will be needed for only 12 hours. Which DS8000 function best satisfies this requirement（）
A.Multiple RelationshipFlashCopy
B.IncrementalFlashCopy
C.FlashCopy SE
D.Data SetFlashCopy -
单项选择题
A customer requires an infrastructure to support disaster recovery of critical applications between two remote data centers. One data center is in Tokyo and one is in Beijing. The customer’s Recovery Point Objective （RPO） requires a six-hour window for a bandwidth of 100 MB/s and a new storage system for a total of 4 TB of data. They estimate 100 MB of new data produced hourly. What data synchronization method would be recommended to meet the requirements（）
A.Metro Mirror
B.FlashCopy
C.Global Mirror
D.Snapshot -
单项选择题
A customer has no available floor space for expansion and room for only one disk enclosure pair in their DS8700. Four disk enclosure pairs are required to meet the current I/O needs of a data warehousing application. They are only utilizing 10% of their total capacity. Another application workload needs to be added to the system but requires two disk enclosure pairs. The customer is considering SSD and Easy Tier. Which of the following is the primary function of Easy Tier（）
A.reduce power consumption per unit of storage
B.balance the total workload with other DAs
C.automatically moves hot spots to the appropriate resource
D.SANtiering permits more flexibility by adding additional data paths
