单项选择题

CompanycomisplanningonupgradingfromapSeriesS85runningAIX4.3.3toap5570withanHMC.ThenewserverwillrunAIX5L5.2.Whatshouldbeperformedpriortothemigration?()

A.VerifytheISVapplicationrunsonAIX5.2
B.Power4toPOWER5upgradesarenotsupportedwithoutaapplicationrecompile
C.ChecktheplacementandsizeofthebootlogicalvolumeanddiskspacerequirementsontheS85
D.AIX4.3.3toAIX5L5.2migrationsareperfectlycompatiblesonothingneedstobechecked
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