You have used the CROSSCHECK BACKUP command to verify that t

第1题：

Which RMAN command do you use to verify that the RMAN repository information is synchronized with the actual files that exist on disk？（）

• A、LIST
• B、CHANGE
• C、CATALOG
• D、CROSSCHECK

第2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3题：

You need to check the EMP_EAST partition in the EMPLOYEES table for physical corruptions. You also need to verify that the rows belong to the correct partition. Which option could you use？（）

• A、 LogMiner
• B、 The DBNEWID utility
• C、 The DBVERIFY utility
• D、 The ANALYZE command
• E、 The RMAN REPORT command
• F、 The RMAN CROSSCHECK command.
• G、 The RMAN BLOCKRECOVER command.

第4题：

You perform a backup using the following BACKUP command：   RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE；   Which statement is true of this command？（）  

• 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

第5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6题：

Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt：   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；   After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）

• A、 when you change the name of a datafile
• B、 when you drop a table from the database
• C、 when you take an export of the database
• D、 when you back up the database using OS utilities
• E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
• F、 when you issue a BACKUP command from inside the RMAN run block

第7题：

Your company decided to start using RMAN in its backup strategy. Previously your company used operating system file copies. Which command is used to make RMAN aware of existing backups made by copying files at the operating system？（）

• A、CHANGE
• B、RESYNC
• C、CATALOG
• D、CROSSCHECK

第8题：

You are using the control file to maintain information about the database backups that are being performed by Recovery Manager (RMAN). Identify two scenarios is which you must have a recovery catalog.（）

• A、To store the backup information of multiple database
• B、To restrict the amount of space that is used by the backups
• C、To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.
• D、To list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.

第9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10题：

You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario？（）

• A、The backup status will be marked expired in RMAN recovery catalog.
• B、The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.
• C、The backup will be deleted physically from the OS （Operating system）and the backup information is removed from the recovery catalogl
• D、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）.
• E、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）， if you are not using Oracle Managed Files （OMF）.