單項(xiàng)選擇題

You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set？（）

A. Enable the flash recovery area and specify it as the archived redo log destination.
B. Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
C. Enable the flash recovery area but do not specify it as the archived redo log destination.
D. Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

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多項(xiàng)選擇題

Examine the following command used to perform incremental level 0 backup：
RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE；
To enable the block change tracking， after the incremental level 0 backup you issued the following command：
SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ’/mydir/ rman_change_track.f’；To perform incremental level 1 cumulative backup， you issued the following command：
RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE；
Which two statements are true in the above situation？（）

A. The block change tracking data will be used only from the next incremental 0 backup.
B. The incremental backup will use change tracking data for accomplishing the backup.
C. The incremental backup will not use change tracking data for accomplishing the backup.
D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.

單項(xiàng)選擇題

To accomplish user-managed backup for the USERS tablespace， you issued the following command to put the database in backup mode：
SQL> ALTER TABLESPACE users BEGIN BACKUP；
While copying the file to the backup destination a power outage caused the instance to te minate abnormally.
Which statement is true about the next database startup and the USERS tablespace？（）

A. The database will open，and the tablespace automatically comes out of the backup mode.
B. The database will be mounted，and recovery must be performed on the USERS tablespace.
C. The database will be mounted，and data files in the USERS tablespace must be taken out of the backup mode.
D. The database will not be mounted，and you must restore all the data files for the USERS tablespace from the backup，and perform recovery.

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You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set？（）

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You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set？（）