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You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups.  Which three statements are true about these backups（）
A:The backups would be consistent.
B:The backups would be inconsistent.
C:The backups would be possible only if the database is running in ARCHIVELOG mode.
D:The backups would be possible only if the database is running in NOARCHIVELOG mode.
E:The backups need to be restored and the database has to be recovered in case of a media failure

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出自：Oracle认证

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