You have lost all your RMAN backup set pieces due to a disk 

第1题：

You want to take a complete database backup using RMAN. The backup should consist onlythe used blocks from your database. Which two statements are true about this backup operation？（） 

• 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

第2题：

Why would you run the delete obsolete command？（）  

• A、 To remove missing backup set pieces physically from disk
• B、 To remove metadata related to backup set pieces in the control file and the recovery catalog
• C、 To mark as deleted records in the control file and the recovery catalog associated with obsolete backup sets
• D、 To delete backup set pieces associated with backups that are no longer needed due to retention criteria
• E、 To remove old versions of RMAN backups

第3题：

第4题：

You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately， you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape.  What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again？（）  

• A、 register database
• B、 recover catalog
• C、 load backupset
• D、 synch metadata
• E、 catalog start with

第5题：

You configured the default backup device type as disk for RMAN backups. In your database，because of business requirements，you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used.  What must you set using the RMAN CONFIGURE command to achieve this？（）  

• A、 MAXSETSIZE TO 2
• B、 DEVICE TYPE DISK PARALLELISM 2
• C、 RETENTION POLICY TO REDUNDANCY 2
• D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2

第6题：

hich of the following RMAN structures can data from a datafile span?（）

• A、RMAN backup-set pieces spanning backup sets 
• B、RMAN backup-set pieces within a given backup sets 
• C、RMAN backups 
• D、RMAN channels 
• E、None of the above

第7题：

Consider the following scenario for your database: - Backup optimization is enabled in RMAN. - The recovery window is set to 7 days in RMAN. - The most recent backup to disk for the TOOLS tablespace was taken on November 3, 2007. - The TOOLS tablespace is read-only since November 4, 2007. On November 23, 2007, you issue the RMAN command to back up the database to disk. Which statement is true regarding the backup of the TOOLS tablespace?（）

• A、The RMAN backup fails because the TOOLS tablespace is read-only
• B、The RMAN skips the backup of the tablespace because backup optimization is enabled
• C、The RMAN makes backup because optimization can be enabled only for backups to disk
• D、The RMAN makes the backup because no backup of the tablespace exists within the seven day window

第8题：

第9题：

If a backup set is expired， what can you do to correct the problem？（）  

• A、 Change the retention criteria.
• B、 Make the lost backup set pieces available to RMAN again.
• C、 Run the crosscheck command to correct the location for the backup set piece contained in the metadata.
• D、 Nothing. The backup set piece is lost forever.
• E、 Call Oracle support，their assistance is required.

第10题：

Which of the following RMAN structures can data from a datafile span？（）

• A、 RMAN backup-set pieces spanning backup sets
• B、 RMAN backup-set pieces within a given backup set
• C、 RMAN backups
• D、 RMAN channels
• E、 None of the above