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單項選擇題

Which of the following roles provides the privileges to maintain and query the recovery catalog schema？（）

A.EXECUTE_CATALOG_ROLE
B.CONNECT
C.RESOURCE
D.RECOVERY_CATALOG_OWNER
E.RECOVERY_CATALOG_USER

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單項選擇題

Which of the following files cannot be cataloged using the CATALOG command？（）

A.Data files
B.Control files
C.Archived log files
D.Files storing RMAN scripts

單項選擇題

To perform a database point-in-time recovery using RMAN， after database restoration， you must ensure that the database is in which of the following states？（）

A.OPEN
B.MOUNT
C.NOMOUNT
D.CLOSE

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