You set the recovery window to seven days and the backup opt

第1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2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3题：

In Recovery Manager （RMAN）， you set the retention policy to NONE by executing the following command：  CONFIGURE RETENTION POLICY TO NONE;  What would be the impact of this setting？（）

• A、The retention policy is cleared.
• B、RMAN does not consider any backup as obsolete.
• C、The retention policy is set to its default setting of redundancy 1.
• D、The retention policy is set to its default setting of recovery window 7.

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：

After running the CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS command， what has been accomplished？（）

• A、Retain the data file backup for 7 days.
• B、Run the recover process every 7 days.
• C、Destroy the physical backup files every 7 days.
• D、Destroy the physical backup files older than 7 days.
• E、Retain one backup of each data file for at least 7 days.
• F、Keep the catalog information in the control file for 7 days.

第6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7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8题：

You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database：RMAN> REPORT NEED BACKUP days 3；What would be the output of this command？（）

• A、 a list of files that require a backup within three days
• B、 a list of files that have not been backed up for three days
• C、 a list of files that RMAN recommends be backed up only once in every three days， based on low volatility
• D、 a list of files for which a backup has already been performed and may need a backup after three days

第9题：

You executed the following command in the Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

• A、 A list of files that require a backup within 3 days
• B、 A list of files requiring more than 3 days of archivelogs to apply
• C、 A list of files that RMAN recommends be backed up only once in every three days，based on low volatility
• D、 A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

第10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.