AnadministratorhasaserverthatmustbeupgradedfromAIX5.2toAIX5.3.Theadministratoralsoneedstousethe64-bitkernelwithJFS2filesystemsinrootvg.Allcriticaldataresidesinanon-rootvgvolumegroup.Whichofthefollowingtypesofinstallcouldtheadministratorusetoaccomplishthis（）
A.MigrationInstallation
B.Update.AIIInstallation
C.PreservationInstallation
D.NewandCompleteOverwriteInstallation
参考答案：D
