A customer wants to purchase an IBM System Storage DS80……

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

单项选择题WhichIBMhost-baseddevicedriverallowsforpathfailover，whilealsoprovidingdynamicloadbalancingonaWindows2000-basedserver（）

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

单项选择题A global customer’s IT strategy is based upon two DS8000 systems and an N series gateway. They want to protect their  business by implementing a disaster recovery solution. The storage specialist has recommended cascaded mirroring.  Which of the following is the business benefit of cascaded replication（）

A.it is cost efficient， as a single N series or DS8000 can have its controllers split between the  primary and secondary site and use semi- synchronousmirroring while using asynchronous mirroring to a third site
B.the second site acts as a repeater station so that greater geographical distances can be achieved
C.ITprovides high availability together with disaster recovery by implementing Metro/Global Mirror across three geographically dispersed systems
D.it guarantees data protection by implementing two synchronous copies of the primary site data