You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLStablespace to disk was taken on January 3. The TOOLStablespace is read-only.On February 

第1题：

You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLS tablespace to disk was taken on January 3. The TOOLS tablespace is read/x7fonly.  On February 21， when you execute a command to back up all the tablespaces to disk， you find that RMAN backs up the TOOLS tablespace also， even though the contents of the tablespace have not changed after the backup on January 3.  Because there are no changes made to the TOOLS tablespace， you decide that the tablespace should not be backed up by RMAN. What can you to do skip backing up the TOOLS tablespace without changing the current backup optimization setting？（）

• A、configure a default device for RMAN backups
• B、temporarily disable the retention policy for RMAN backups
• C、configure automatic channel allocation for RMAN backups
• D、use the CONFIGURE command to reconfigure the recovery window to 60 days

第2题：

You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? （）(Choose two.)

• A、The backup piece size will be limited to 300 MB
• B、The RMAN uses multiplexing to perform backup
• C、The operation is accomplished using the default channel available
• D、The RMAN parallelizes the backup although the parallelism is not set for a channel

第3题：

You defined the Recovery Manager （RMAN） retention policy to recovery window of 7 days by executing the following command：  RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS；  When a backup is performed， what would be the status of this backup after seven days？（）

• A、 The backup would be marked as invalid.
• B、 The backup would be marked as obsolete.
• C、 The backup would be removed from the media.
• D、 The backup would be removed from the RMAN repository.

第4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5题：

You have issued the following command：    RMAN>CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 100 DAYS；   What will be the result of using the above command？（）

• A、 The backup metadata will be maintained in the control file for 100 days.
• B、 The backup metadata will be maintained in the recovery catalog for 100 days.
• C、 The backup metadata will be maintained in the flash recovery area for 100 days.
• D、 After 100 days， the backup sets and image copies will be deleted from the media.

第6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）.

第7题：

You performed a backup of the flash recovery area by using the following command for the first time： RMAN> BACKUP RECOVERY AREA;  Which files in the flash recovery area are backed up？（）

• A、flashback logs
• B、current control file
• C、control file autobackups
• D、incremental backup sets

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第13题：

In which scenario， will you issue the following command？（） RMAN> REPORT NEED BACKUP DAYS 7；

• A、 to configure RMAN to maintain backup information in the RMAN repository for seven days
• B、 to configure RMAN to maintain backup information in the control file for at least seven days
• C、 to display the list of files that have not been backed up for the last seven days
• D、 to display the list of files that must be backed up within seven days

第14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15题：

It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager （RMAN）. How would you make use of this consistent backup in RMAN？（）

• A、cannot be used in RMAN
• B、by starting up the database again
• C、by using the CATALOG command of RMAN
• D、by using the RECOVER CATALOG command in RMAN
• E、by re-creating the target control file to rebuild the RMAN repository

第16题：

In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON； Which two events would cause the control file to be backed up automatically？ （）

• A、 A tablespace is taken offline.
• B、 The database instance is restarted.
• C、 A new data file is added to an existing tablespace.
• D、 A successful backup is recorded in the RMAN repository.
• E、 The RMAN connection is disconnected from the target database.

第17题：

In the parameter file of your production database， the CONTROL_FILE_RECORD_KEEP_TIME parameter is set to 31. What would be the impact of this setting on the backup that is being performed by using Recovery Manager （RMAN）？（）

• A、 The backup would be retained on the media for 31 days.
• B、 The backup would be maintained in the recovery catalog for 31 days.
• C、 The backup metadata would be retained in the control file for 31 days.
• D、 The backup metadata would be maintained in the recovery catalog for 31 days.
• E、 Automatic backups of the control file will be retained in the flash recovery area for 31 days.

第18题：

Using the LIST command in Recovery Manager （RMAN）， which two pieces of information from the RMAN repository can be listed？ （）

• A、backups that can be deleted
• B、stored scripts in the recovery catalog
• C、backup sets and image copies that are obsolete
• D、only the most recent backup sets or image copies
• E、backups that do not have the AVAILABLE status in RMAN repository

第19题：

Your database is configured on non-ASM disk storage. You need to migrate your database to ASM disk storage.  Which statement is true about migrating from non-ASM disk storage to ASM disk storage？（） 

• A、 You can use the operating system utility to migrate from non-ASM disk storage to ASM disk storage.
• B、 You cannot perform a database backup from non-ASM disk storage to tape and then move it to ASM disk storage.
• C、 You can use the SWITCH DATABASE TO COPY Recovery Manager （RMAN） command to switch back to non-ASM disk storage if you have not deleted your original datafiles.
• D、 You cannot use Recovery Manager （RMAN） to migrate from non-ASM disk storage to ASM disk storage if you are not using RMAN for your backup and recovery strategies.

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