拘役的期限为1个月以上6个月以下，数罪并罚时，时间不得超过（)。A．6个月B．1年C．2年D．18个月

A. Backup compression should be enabled

B. Parallelism for the channel should be set to 2

C. All the files must be backed up as backup sets

D. The backup may be stored either on disk or on media with media manager

, a big filetablespace 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？（）

A. parallel image copy backup

B. backup with MAXPIECESIZE configured for the channel

C. parallel backup with MAXPIECESIZE configured for the channel

D. intrafile parallel backup

t backup is taken every Sunday.-On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted-The disk having active online redo log files is also corrupted.-The hardware is repaired and the paths for online redo log files and control files are still valid.Which option would you use to perform the recovery of database till the point of failure？（）

A. Restore the latest whole backup, perform complete recovery, and open the database normally

B. Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS option

C. Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS option

D. Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

You are using a recovery catalog to maintain Recovery Manager (RMAN) backup information for yourproduction database. You have registered your production database and are performing regular backups.Because of a new requirement you have added a few new tablespaces to your production database and youwant them to be included in backups.Identify two options for completing this task. （）(Choose two.)

A. Reregistering the target database in recovery catalog

B. Transporting the new tablespaces to the recovery catalog database

C. Syncronizing the recovery catalog with the target database control file

D. Performing a fresh backup of the target database to include the new data files in the catalog database

A. A different procedure is required to restore a database from compressed backups

B. The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.

C. Using this command to create backups minimizes the bandwidth consumed

D. Using this command to create backups improves the performance of the backup process

er each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;Which action should you perform immediately after using this command？（）

A. You should perform a log switch

B. You should make a backup of the database

C. You should switch the database to the NONARCHIVELOG mode

D. You should shut down the database instance and perform a complete database recovery

EVER option. After some days, you want to change the status of the database backup and you issued the following command:RMAN>CHANGE BACKUPSET 231 NOKEEP;What is the implication of this command？（）

A. The backup is deleted.

B. The backup is marked unavailable.

C. The backup overrides the backup retention policy.

D. the backup becomes eligible for deletion according to the existing retention policy