Consider this RMAN command：   RMAN> CONFIGURE RETENTION POLICY CLEAR；   What is the effect of this command？（）

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• You issue the following command on the RMAN prompt. REPORT NEED BACKUP DAYS 5; Which statement is true about executing this command?（）

  A . It will display a list of files that need incremental backup B . It will display a list of files that need backup after five days C . It will display a list of files that were backed up in the last five days D . It will display a list of files that have not been backed up in the last five days E . It will apply the current retention policy to determine the files that need to be backed u

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• 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 day

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• Examine this statement：  RMAN >BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus1 DATABASE filesperset = 2；  What state must the target database be in for you to use this RMAN command？（）

  A . The target database must be open. B . The target database must be closed. C . The target database must be mounted. D . The target database must be mounted or open.

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• You issue the following command on the RMAN prompt.   REPORT NEED BACKUP DAYS 5；   Which statement is true about executing this command？（）  

  A .  It will display a list of files that need incremental backup B .  It will display a list of files that need backup after five days C .  It will display a list of files that were backed up in the last five days D .  It will display a list of files that have not been backed up in the last five days E .  It will apply the current retention policy to determine the files that need to be backed u

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• You issued the RMAN>SHOW ALL； command. The output of this command is as follows： https://assets.asklib.com/images/image2/2018080116074760626.jpg After analyzing the output， which conclusion will you draw？（）

  A .  The current control file is not automatically backed up every time you perform a backup. B .  The backups save space on the storage media. C .  While performing backups across a network， the network bandwidth is reduced. D .  The backups consist of backup pieces.

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• 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 proce

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• 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

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• You observe that the senior database administrator always uses the following command when connecting to Recovery Manager （RMAN）， and then starts executing commands to backup the database files：  $ rman target /  What would be the effect of this command？（）

  A . RMAN would use the current operating system location to place the backup. B . RMAN would use the control file of the target database to maintain the backup. C . RMAN would use the recovery catalog of the target database to maintain the backup. D . RMAN would use the control file of the target database to maintain the backup metadata.  E . RMAN would use the recovery catalog of the target database to maintain the backup metadata.

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• View the Exhibit. https://assets.asklib.com/images/image2/2018080210291676439.jpg You executed the following command to perform a backup of the USERS tablespace： RMAN> BACKUP TABLESPACE USERS; Which type of backup would this command perform？（）

  A . backup set B . image copy C . incremental backup D . None; the user receives an error indicating that the backup type must be specified.

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• What is the result of this command？（） RMAN> Report need backup days 3；

  A .  Lists all datafiles created in the last three days that are not backed up. B .  Lists all datafiles not recoverable based on the current retention criteria. C .  Lists all datafiles not backed up in the last three days. The datafile is not recoverable.  D .  Lists all datafiles that need to be backed up due to unrecoverable operations. E .  Lists all datafiles not backed up in the last three days. It does not imply that the datafile is not recoverable.

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• You executed the following command in 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 three days B .  a list of files requiring more than 3 days of archive logs 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 has 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

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• 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&e

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• You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace：  RMAN> BACKUP TABLESPACE DETTBS；  Under which conditions would this command execute successfully？ （）

  A . The database is in NOMOUNT state. B . The database is in ARCHIVELOG mode and the tablespace is online. C . The database is in ARCHIVELOG mode and the tablespace is offline. D . The database is in NOARCHIVELOG mode and the tablespace is online. E . The database is in NOARCHIVELOG mode and the tablespace is offline.

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• You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（） 

  A . back up the control file to trace B . bring database to the MOUNT state C . open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database D . set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

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• 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

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• You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace： RMAN> BACKUP TABLESPACE DETTBS；  Under which conditions would this command execute successfully？ （）

  A .  The database is in NOMOUNT state. B .  The database is in NOARCHIVELOG mode and the tablespace is online. C .  The database is in NOARCHIVELOG mode and the tablespace is offline. D .  The database is in ARCHIVELOG mode and the tablespace is offline. E .  The database is in ARCHIVELOG mode and the tablespace is online.

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• You issue the following command：   RMAN>CONFIGURE BACKUP OPTIMIZATION ON；   What is the result of this command on your backups？（）

  A .  An incremental backup strategy will be used automatically. B .  Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria. C .  RMAN will configure itself for maximum performance at the cost of CPU. D .  RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database. E .  RMAN will automatically compress backups.

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• You issue the following RMAN command to set a retention policy on a database：   RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2；   What will be the outcome of issuing this command？（）  

  A .  After two days，a backup will be marked obsolete B .  After two days，a backup will be deleted from the media C .  If the RMAN repository has records of two or more recent backups of a file，then older backups will be deleted from the media. D .  If the RMAN repository has records of two or more recent backups of a file then older backups will be marked obsolete.

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• 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 day

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• You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（）

  A .  back up the control file to trace B .  bring database to the MOUNT state C .  open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database D .  set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

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• You issued the RMAN>SHOW ALL； command. The output of the command is as follows： https://assets.asklib.com/images/image2/2018080116014456210.jpg After analyzing this output， what conclusion can you draw？ （）

  A .  If you perform a backup across a network， then the backup will reduce the bandwidth. B .  If you perform a backup of a datafile， then the backup will be the same as the operating system copy of the datafile. C .  If you perform a backup of a single datafile， then the control file will not be backed up.  D .  The maximum size of each backup set is 10MB E .  The backups will be performed on the disk.

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• You issue the following command on the RMAN prompt.   RMAN> REPORT NEED BACKUP DAYS = 5 DATABASE；   Which statement is true about executing this command？（）

  A .  It will display a list of files that need incremental backup. B .  It will display a list of files that need backup after five days. C .  It will display a list of files that were backed up in the last five days. D .  It will display a list of files that have not been backed up in the last five days. E .  It will apply the current retention policy to determine the files that need to be backed up.

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• You issue the following RMAN command to set a retention policy on a database: RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2; What will be the outcome of issuing this command? （）

  A . After two days, a backup will be marked obsolete B . After two days, a backup will be deleted from the media C . If the RMAN repository has records of two or more recent backups of a file, then older backups will be deleted from the media. D . If the RMAN repository has records of two or more recent backups of a file, then older backups will be marked obsolete.

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• 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 proce

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