單項選擇題

Tape streaming is not happening while performing RMAN tape backup. On investigation， you find that it is not because of the incremental backup or the empty file backup and that RMAN is sending data blocks to the tape drive fast enough. What could be a solution to make tape streaming happen during the backup？（）

A. Configure backup optimization
B. Configure the channel to increase MAXOPENFILES
C. Configure the channel to increase the capacity with the RATE parameter
D. Configure the channel to adjust the tape buffer size with the BLKSIZE option

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多項選擇題

Which three tasks can be performed using a duplicate database？（）

A. Testing the backup and recovery procedures
B. Testing the upgrade of an Oracle database to a new release
C. Testing the effect of an application changes on database performance
D. Continuously updating archive log files from the target database to support failover

單項選擇題

Examine the CREATE DISKGROUP command used to create a disk group：
SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCY
DISK ’ORCL： FRA3’ NAME misc1， ’ORCL： FRA4’ NAME misc2；
In which situation would you use this method of disk group creation？（）

A. When two-way disk mirroring is required for the allocation units
B. When three-way disk mirroring is required for the allocation units
C. When using hardware mirroring or RAID
D. When disk mirroring is required for the Automatic Storage Management （ASM） disks

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Which three tasks can be performed using a duplicate database？（）

Examine the CREATE DISKGROUP command used to create a disk group： SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCY DISK ’ORCL： FRA3’ NAME misc1， ’ORCL： FRA4’ NAME misc2； In which situation would you use this method of disk group creation？（）

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Which three tasks can be performed using a duplicate database？（）

Examine the CREATE DISKGROUP command used to create a disk group：
SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCY
DISK ’ORCL： FRA3’ NAME misc1， ’ORCL： FRA4’ NAME misc2；
In which situation would you use this method of disk group creation？（）