单项选择题

WhichIBMSystemStorageDS8000copyfunctionprovidesathree－siteorthree－copysolutionusingbothsynchronousandasynchronousreplication?（）

A.FlashCopy
B.Metro/GlobalMirror
C.MetroMirror
D.GlobalMirror
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单项选择题
Acustomerplanstoaddhighperformancesharedstoragewiththreeserversandusingdirectattach.Costisaminorissuecomparedtoperformance.Whichofthedevicesmeetsthisrequirement？（）
A.DS3200
B.EXP3000
C.DS3300
D.DS3400
单项选择题
AcustomerhasastoragerequirementforamixedIBMSystempandSystemzenvironment.Theyrequireapproximately2TBofhighperformancediskfortheirSystemzenvironment.Theyrequireapproximately25TBoflow-performancediskfortheirSystempenvironment.ThestoragespecialistisusingCapacityMagictoconfigureanIBMSystemStorageDS8300.Whichconfigurationismostappropriateforthiscustomer（）A.4x73GB15krpmdiskdrivesetsforSystemz；and4x500GB7.2krpmdiskdrivesetsforSystempB.4x146GB15krpmdiskdrivesetsforSystemz；and2x500GB7.2krpmdiskdrivesetsforSystempC.2x300GB10krpmdiskdrivesetsforSystemz；and4x300GB10krpmdiskdrivesetsforSystempD.2x73GB15krpmdiskdrivesetsforSystemz；and2x500GB7.2krpmdiskdrivesetsforSystemp
A.Theyrequireapproximately2TBofhighperformancediskfortheirSystemzenvironment.Theyrequireapproximately25TBoflow-performancediskfortheirSystempenvironment.ThestoragespecialistisusingCapacityMagictoconfigureanIBMSystemStorageDS8300.Whichconfigurationismostappropriateforthiscustomer（）
A.4x73GB15krpmdiskdrivesetsforSystemz；and4x500GB7.2krpmdiskdrivesetsforSystemp
B.4x146GB15krpmdiskdrivesetsforSystemz；and2x500GB7.2krpmdiskdrivesetsforSystemp
C.2x300GB10krpmdiskdrivesetsforSystemz；and4x300GB10krpmdiskdrivesetsforSystemp
D.2x73GB15krpmdiskdrivesetsforSystemz；and2x500GB7.2krpmdiskdrivesetsforSystemp
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