ou are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big file tablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each. Which method would accomplish the task quickly and efficiently?（）

ou are implementing control file multiplexing. Which of the following choices identifies the method you can use in order to generate the control file copies that Oracle will maintain?（）

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Your database is in NOARCHIVELOG mode. After which two operations you should take the backup of control file？（）

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ou need to create a data block for query operations in the RETIRED_EMPLOYEES form module. Which three data sources can you use for this block?（）

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ou have backed up your database twice without connecting to the recovery catalog. What command do you issue to transfer the control-file metadata to the recovery catalog? （）

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You administer an Oracle Database 10g and a third-party database. You use Recovery Manager （RMAN） to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command？（）

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Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）

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Which  statements are true about checkpointing（）

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Which  statements are true regarding listeners（）

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Which statements are correct regarding indexes？ （）

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