单项选择题 IBMDS5000systemssupportsRAID6.RAID6supporthastwoparitybitssothatthesystemcansupporttwodrivefailures.WhichofthefollowingitemsistheIBMdesignationforthisfeatureontheDS5000？（）

单项选择题 AcustomerisinterestedinpurchasinganewIBMSystemStorageDS8000solutiontoconsolidateolderESSandF20storagesystems.Whatshouldbedonefirst,priortofinalproposaldevelopment?（）

单项选择题 Whichofthefollowingusescompression／decompressiontoincreasethememoryavailableforclient workloads?（）

单项选择题 Acustomerrequiresoff-sitestoragefor500GBpernightinbackuptapes.Thebackupsiteis560kilometers（350miles）away.Thecustomerdoesnotrequirethebackupsitetoruntheapplicationintheeventoffailureatthemainsite.Whatistheleastexpensivestrategyforthedatacentertoimplement？（）A.makeonlineimagebackupsB.installGlobalMirroratthebackupsiteC.shipnightlybackuptapestotheremotesiteD.installTivoliStorageManager（TSM）andatapedriveatthebackupsite

单项选择题 APower720hasAIX6.1andLinuxpartitions.DuringnormalworkloadsthereismorethanenoughmemoryavailabletotheLPARs.Duringmonth-endprocessingonepartitionbecomesmemoryconstrained.Whatcanhelpovercomethissituation？（）A.ActiveMemorySharing（AMS）B.ActiveMemoryExpansion（AME）C.IntegratedVirtualMemory（IVM）D.MemoryCapacityonDemand（CoD）