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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.
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更多 “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.” 相关考题
考题
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.
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.
考题
hich of the following RMAN structures can data from a datafile span?（）A、RMAN backup-set pieces spanning backup sets B、RMAN backup-set pieces within a given backup sets C、RMAN backups D、RMAN channels E、None of the above
考题
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.
考题
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
考题
If a backup is expired， which of the following is true？（） A、 It can never be used for a restore/recover operation.B、 Oracle will remove the backup set pieces from the flash recovery area.C、 The backup has been used at least once to restore and recover the database.D、 The backup is no longer valid because of a resetlogs operation.E、 The physical backup set pieces are missing from the media.
考题
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.
考题
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
考题
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.
考题
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
考题
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
考题
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.
考题
Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database？（） A、 Yes， if the database is in ARCHIVELOG modeB、 Yes， if the database is in NOARCHIVELOG modeC、 No， the backup is not usable in any wayD、 Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE
考题
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.
考题
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.
考题
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
考题
单选题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
考题
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
考题
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.
考题
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.
考题
单选题You run the following commands： RMAN list expired backup； RMAN delete expired backup； What will happen to the backup set pieces associated with the backups that appear in the list expired backup command？（）A
They will be renamed.B
Nothing will happen to them. The backup set pieces do not exist.C
They will be deleted immediately since they are not in the flash recovery area.D
You will need to manually remove the physical files listed in the output of the commands.E
They will become hidden files and removed 10 days later.
考题
单选题Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database？（）A
Yes， if the database is in ARCHIVELOG modeB
Yes， if the database is in NOARCHIVELOG modeC
No， the backup is not usable in any wayD
Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE
考题
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.
考题
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.
考题
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？（）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.
考题
单选题If a backup is expired， which of the following is true？（）A
It can never be used for a restore/recover operation.B
Oracle will remove the backup set pieces from the flash recovery area.C
The backup has been used at least once to restore and recover the database.D
The backup is no longer valid because of a resetlogs operation.E
The physical backup set pieces are missing from the media.
考题
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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