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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 and adjustable coordination time

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单项选择题A customer wants to purchase an IBM System Storage DS8000. The proposed location is in a data center on the third floor of an office building.  Which document should the storage specialist consult to ensure that the DS8000 can be installed in the proposed location（）

A.IBM Announcement Letters
B.IBM DS8000 Installation Guide
C.IBM DS8000 Introduction and Planning Guide
D.IBM Systems Storage Solutions Handbook

单项选择题An international company has a heterogeneous IBM storage environment with two IBM DS8700 systems in a Metro Mirror relationship. They also have a virtualized environment with two SVC clusters in a Global Mirror relationship. The storage administrator complains about the monitoring of copy services.  Which solution should the IBM storage specialist propose for this pain point（）

A.System Storage Productivity Center
B.Tivoli Storage Productivity Center for Replication
C.Tivoli Storage Productivity Center for Disk
D.DS8000 Storage Manager

单项选择题Two DS8700 systems have been proposed for a disk-to-disk BC solution. Each system has 200 TB installed， with a data change rate of 18% per day. Two 2 Gbps CWDM links are in place between the remote data centers with an average utilization rate of 55%. The proposed solution   includes additional CWDM ports.  Which of the following should justify the additional CWDM ports（）

A.the Disk Magic configuration report
B.an engineer from thetelcom providing the dark fiber
C.the bandwidth calculations
D.aCompeteLine analysis

单项选择题WhichofthefollowingstatementsaboutDS8000harddrivetechnologyiscorrect（）

A.All types of the 2.5" disk drives offered by the DS8800 system have higher performance than the 3.5" disk drives supported by DS8700
B.The 2.5" disk drives included on the DS8800 support 6Gbps SAS； the 3.5" disk drives in DS8700 are 4 Gbps FC
C.The 2.5" disk drives included on the DS8800 support 8Gbps SAS； the 3.5" disk drives in DS8700 are 4 Gbps FC
D.The 2.5" 15k rpm drives offered by the DS8800 system support 6Gbps SAS-2

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A.PowerPath
B.MPIO
C.RDAC
D.SDD