Which two operations are NOT performed by the DUPLICATE command in Recovery Manager （RMAN） while duplicating a running database？（）

Which command creates an image copy？（）

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？（）

View the Exhibit and examine the disk groups created at the time of migrating the database storage to Automatic Storage Management （ASM）. Why does the FRA disk group initially have more free space even though both DATA and FRA disk groups are provided with the same size？（）

To enable faster incremental backups， you enabled block change tracking for the database. Which two statements are true about the block change tracking file？（） 

What does the DB_FLASHBACK_RETENTION_TARGET parameter configure？（）  

Indentify two advantages of using recovery catalog instead of the control file of the database in Recovery Manager （RMAN）.（）

User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA， which commands must you execute to enable SCOTT to flash back the transactions？（）

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？（）  

Which two commands never trigger an implicit rebalancing within the disk group？（）