多項選擇題

You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB.
You issued the following RMAN commands to create a duplicate database:

Which three are the prerequisites for the successful execution of the above command?（）

A. The source database should be open
B. The target database should be in ARCHIVELOG mode if it is open
C. RMAN should be connected to both the instances as SYSDBA
D. The target database backups should be copied to the source database backup directories
E. The password file must exist for the source database and have the same SYS user password as the target

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多項選擇題

Which two statements are true regarding an Automatic Storage Management (ASM) instance? （）

A. As ASM instance mounts an ASM control file
B. An ASM instance uses the ASMB process for rebalancing of disks within a disk group
C. Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly
D. An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started

單項選擇題

Which statement is true regarding the VALIDATE DATABASE command?（）

A. It checks the database for intrablock corruptions only.
B. It checks for block corruption in the valid backups of the database.
C. It checks the database for both intrablock and interblock corruptions.
D. It checks for only those corrupted blocks that are associated with data files.

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You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB. You issued the following RMAN commands to create a duplicate database: Which three are the prerequisites for the successful execution of the above command?（）

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Which two statements are true regarding an Automatic Storage Management (ASM) instance? （）

Which statement is true regarding the VALIDATE DATABASE command?（）

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You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB.
You issued the following RMAN commands to create a duplicate database:

Which three are the prerequisites for the successful execution of the above command?（）