单选题What is the output of this command?（）AA list of files that require a backup within 3 daysBA list of files requiring more than 3 days of archivelogs to applyCA list of files that RMAN recommends be backed up only once in every three days, based on low volatilityDA list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them
单选题
What is the output of this command?（）
A
A list of files that require a backup within 3 days
B
A list of files requiring more than 3 days of archivelogs to apply
C
A list of files that RMAN recommends be backed up only once in every three days, based on low volatility
D
A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them
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