Assumeyoursituationcanbedescribedasfollows：xAfullbackuptakenusingRMANisavailableondisk.xThecurrentcontrolfileswereNOTdamagedanddonotneedtoberestored.xAlldatafilesaredamagedorlost.xThedatabaseisinNOARCHIVELOGmode.WhichRMANcommandwouldbemostappropriatetouseinline3ofthefollowingRMANcommandsettorestoreandfullyrecoveryourdatabase？（）1.RMANSTARTUPMOUNT2.RMANRESTOREDATABASE;3.RMAN（）4.RMANALTERDATABASEOPEN;A.RECOVERDATABASE；B.SWITCHDATAFILEALL；C.RESTORECONTROLFILE；D.RECOVERDATABASEUSINGBACKUPCONTROLFILE；
Assumeyoursituationcanbedescribedasfollows：xAfullbackuptakenusingRMANisavailableondisk.xThecurrentcontrolfileswereNOTdamagedanddonotneedtoberestored.xAlldatafilesaredamagedorlost.xThedatabaseisinNOARCHIVELOGmode.WhichRMANcommandwouldbemostappropriatetouseinline3ofthefollowingRMANcommandsettorestoreandfullyrecoveryourdatabase？（）1.RMAN>STARTUPMOUNT2.RMAN>RESTOREDATABASE;3.RMAN>（）4.RMAN>ALTERDATABASEOPEN;
A.RECOVERDATABASE；
B.SWITCHDATAFILEALL；
C.RESTORECONTROLFILE；
D.RECOVERDATABASEUSINGBACKUPCONTROLFILE；