A mainframe customer with a 2105-800 storage subsystem will be migrating to a new data center.They will be replacing existing servers with newer hardware and the 2105 subsystem with an IBMSystem Storage DS8100. The data centers are 613 kilometers apart. The data migration andproduction cutover must be accomplished with minimal disruption. Which solution best meetsthese requirements?（）

单项选择题AbankhasrequestedproposalsforastoragesolutiontoupgradetheirdisasterrecoveryprocessesfortheirSystemz,UNIX,andMicrosoftWindowsenvironment.Thesolutionmustsimulateamulti-siteenvironmentandprovidethecustomertheabilitytoexploreMetroMirror,GlobalMirror,GlobalMirrorforz OS,andFlashCopy.Floorspaceislimited.Whichsolutionbestmeetsthespecifiedrequirements?（）

A.Two IBM System Storage DS8100 systems
B.One IBM System Storage DS8300 with two LPARs
C.Two IBM System Storage DS6800 systems in a single rack
D.One IBM System Storage DS6800 for System z, and SVC for UNIX and Windows

单项选择题ASystemzcustomerisplanningtodeploytheIBMSystemStorageDS6800ineachofthreesmalldatacenterslocatedaroundalargecity.AbackupdatacenterwithanIBMSystemStorageDS8100willserveasthedisasterrecoveryfacility.Whichadvancedfunctioncanthecustomerimplementtomeetdisasterrecoveryrequirements?（）

A.Global Mirror for zSeries
B.Metro Mirror
C.Global Copy
D.Metro/Global Mirror

单项选择题WhichuseridandpasswordcombinationisusedtoaccesstheIBMSystemStorageDS8000StorageManagerConsoleasanadministratorforthefirsttime?（）

A.Admin/admin
B.Admin/password
C.Administator/st0rage (with a zero (0) for the letter "o")
D.Admin/passw0rd (with a zero (0) for the letter "o")

单项选择题WhichconfigurationactionscanbeperformedbyusingtheDSCLIonIBMSystemStorageDS6000andDS8000servers?（）

A.Assign RAID ranks to extent pools and combine storage extent pools
B.Assign RAID ranks to extent pools and create and assign volumes to hosts
C.Combine storage extent pools and invoke a server failover/fallback
D.Invoke a server failover/fallback and create and assign volumes to hosts

单项选择题AcustomerplanstoimplementanewOLTPanddatabaseapplication.Therecordsaresmallandaccessisrandom,withalotofwriteactivity.WhichRAIDlevelisthebestsolutionforthisapplication?（）

A.RAID 1
B.RAID 3
C.RAID 5
D.RAID 10