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YouareusingRMANtoperformacloseddatabasebackupofyourdatabase.YouissuetheseRMANcommands:STARTUPMOUNT;BACKUPFORMAT’／BACKUP／df_%d_%s_%p.bus’DATABASEfilesperset=2;Whichcomponentsareincludedinthebackup?()

A.Onlythedatafiles.

B.Onlythedatafilesandtheonlinelogs.

C.Thedatafiles，controlfiles，andtheonlinelogs.

D.Thedatafilesandcontrolfiles，butnottheonlinelogs.

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