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[主观题]

YouhaveenabledbackupoptimizationinRMAN.YouissuethefollowingRMANcommandtoconfigurearedundancy-basedretentionpolicy：CONFIGURERETENTIONPOLICYTOREDUNDANCY3；Whichstatementistrue？（）

A.Thecommandfailsbecauseyoucannotconfigurearedundancy-basedretentionpolicywhenbackupoptimizationisenabled

B.Backupoptimizationisperformed，butRMANconsiderstheredundancy-basedretentionpolicywhenit determineswhichdatafilesshouldbebackedup

C.Backupoptimizationispermanentlydisabled

D.Backupoptimizationistemporarilydisabledbecausearedundancy-basedretentionpolicyisspecified

提问人：网友wsguojin 发布时间：2022-01-07

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