单选题What is an obsolete backup set？（）A A backup set that is missing one or more backup set piecesB A backup that has exceeded the retention criteria and is no longer neededC A backup set that does not include archived redo logsD A backup set that can not be recovered due to corruptionE A backup set superceded by a datafile copy
单选题
What is an obsolete backup set？（）
A
A backup set that is missing one or more backup set pieces
B
A backup that has exceeded the retention criteria and is no longer needed
C
A backup set that does not include archived redo logs
D
A backup set that can not be recovered due to corruption
E
A backup set superceded by a datafile copy
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相关考题：
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.
What is the purpose of the catalog command？（） A、 To review RMAN control file and recovery catalog metadata and ensure that its correctB、 To delete RMAN backup-related metadata from the recovery catalogC、 To create metadata in the control file and the recovery catalog related to backup set pieces D、 To create a report that lists database backupsE、 To rebuild the recovery catalog
Why would you run the delete obsolete command？（） A、 To remove missing backup set pieces physically from diskB、 To remove metadata related to backup set pieces in the control file and the recovery catalogC、 To mark as deleted records in the control file and the recovery catalog associated with obsolete backup setsD、 To delete backup set pieces associated with backups that are no longer needed due to retention criteriaE、 To remove old versions of RMAN backups
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.
When youre performing active database duplication，a backup of what kind is required？（） A、 A current RMAN backup-set backup is required.B、 No backup is required.C、 An RMAN image backup is required.D、 A manual backup is required.E、 A "duplicate" preparatory backup is required.
You issue the following RMAN command to set a retention policy on a database： RMANCONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of the above command？（）A、 After two days， the backup will be marked obsolete.B、 After two days， the backup will be deleted from the media.C、 If the RMAN repository has records of two or more recent backups of a file， then the older backup will be deleted from the media.D、 If the RMAN repository has records of two or more recent backups of a file， then the older backup will be marked obsolete.
What is an obsolete backup set？（） A、 A backup set that is missing one or more backup set piecesB、 A backup that has exceeded the retention criteria and is no longer neededC、 A backup set that does not include archived redo logsD、 A backup set that can not be recovered due to corruptionE、 A backup set superceded by a datafile copy
Which of the following commands will fail？（） A、 report schemaB、 report need backupC、 report need backup days 3D、 report userE、 report obsolete
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.
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 databaseB、 recover catalogC、 load backupsetD、 synch metadataE、 catalog start with
Which phrase best describes RMAN multiplexed backup sets？（）A、Stripes a single backup set across multiple channels.B、Identical copies of backup pieces within a backup set.C、Multiple backup sets with multiple channels configured.D、Simultaneous reads from multiple files and writes into the same backup piece.
Which of the following RMAN structures can data from a datafile span？（）A、 RMAN backup-set pieces spanning backup setsB、 RMAN backup-set pieces within a given backup setC、 RMAN backupsD、 RMAN channelsE、 None of the above
What does it mean if a backup is expired?（）A、The backup set has exceeded the retention criteria set in RMAN and is eligible for removal. B、The backup set has one or more invalid blocks in it and is not usable for recovery. C、The backup set contains one or more tablespaces no longer in the database. D、The backup set contains one or more missing backup set pieces.E、The backup set is from a previous version of RMAN and was not upgraded.
When issuing the CROSSCHECK command in RMAN， if a backup file CANNOT be found， to what status is that file set？（）A、DELETEDB、OBSOLETEC、EXPIREDD、UNKNOWN
Why would you execute the report obsolete command？（） A、 To list all backups that were no longer available for restore operationsB、 To list all backups that had aged beyond the RMAN retention criteriaC、 To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup mediaD、 To list all datafiles that are no longer part of the database and thus do not need to be backed upE、 To list all archived redo logs that are no longer needed for any database recovery
单选题You issue the following RMAN command to set a retention policy on a database： RMANCONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of issuing this command？（）A After two days，a backup will be marked obsoleteB After two days，a backup will be deleted from the mediaC 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.
多选题Why would you run the delete obsolete command？（）ATo remove missing backup set pieces physically from diskBTo remove metadata related to backup set pieces in the control file and the recovery catalogCTo mark as deleted records in the control file and the recovery catalog associated with obsolete backup setsDTo delete backup set pieces associated with backups that are no longer needed due to retention criteriaETo remove old versions of RMAN backups
单选题What does it mean if a backup is expired？（）A The backup set has exceeded the retention criteria set in RMAN and is eligible for removal. B The backup set has one or more invalid blocks in it and is not usable for recovery.C The backup set contains one or more tablespaces no longer in the database.D The backup set contains one or more missing backup set pieces.E The backup set is from a previous version of RMAN and was not upgraded.
单选题You issue the following RMAN command to set a retention policy on a database： RMANCONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of the above command？（）A After two days， the backup will be marked obsolete.B After two days， the backup will be deleted from the media.C If the RMAN repository has records of two or more recent backups of a file， then the older backup will be deleted from the media.D If the RMAN repository has records of two or more recent backups of a file， then the older backup will be marked obsolete.
单选题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.
单选题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？（）AThe retention policy is cleared.BRMAN does not consider any backup as obsolete.CThe retention policy is set to its default setting of redundancy 1.DThe retention policy is set to its default setting of recovery window 7.
单选题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 databaseB recover catalogC load backupsetD synch metadataE catalog start with
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