AcustomerhasastoragerequirementforamixedIBMSystempandSystemzenvironment.Theyrequireapproximately2TBofhighperformancediskfortheirSystemzenvironment.Theyrequireapproximately25TBoflow-performancediskfortheirSystempenvironment.ThestoragespecialistisusingCapacityMagictoconfigureanIBMSystemStorageDS8300.Whichconfigurationismostappropriateforthiscustomer（）
A.4x73GB15krpmdiskdrivesetsforSystemz；and4x500GB7.2krpmdiskdrivesetsforSystemp
B.4x146GB15krpmdiskdrivesetsforSystemz；and2x500GB7.2krpmdiskdrivesetsforSystemp
C.2x300GB10krpmdiskdrivesetsforSystemz；and4x300GB10krpmdiskdrivesetsforSystemp
D.2x73GB15krpmdiskdrivesetsforSystemz；and2x500GB7.2krpmdiskdrivesetsforSystemp
参考答案：A
