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单选题
Consider this RMAN command： RMAN> CONFIGURE RETENTION POLICY CLEAR； What is the effect of this command？（）
A
Backups will never expire.
B
It removes any retention policy.
C
The DELETE OBSOLETE command will fail with an error.
D
It sets the retention policy to the default of REDUNDANCY 1.
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更多 “单选题Consider this RMAN command： RMAN CONFIGURE RETENTION POLICY CLEAR； What is the effect of this command？（）A Backups will never expire.B It removes any retention policy.C The DELETE OBSOLETE command will fail with an error.D It sets the retention policy to the default of REDUNDANCY 1.” 相关考题
考题
Examine the following RMAN command:Which two statements are true regarding the backup taken by using the above RMAN command?()
A. Only data files and the control file are backed up.B. Archived redo logs are backed up only I f the database is open during the backup.C. The backup is deleted after one day, regardless of the default retention policy settings.D. The backup becomes obsolete after one day, regardless of the default retention policy settings.
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
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy:CONFIGURE RETENTION POLICY TO REDUNDANCY 3;Which statement is true?（）A. The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB. Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC. Backup optimization is permanently disabledD. Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
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
The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN REPORT OBSOLETE； What would you see in the output？（）A、 a list of all those files that have been deleted in the last two daysB、 a list of all those files that have been recovered within the last two daysC、 a list of all the expired backups and copiesD、 a list of backups and copies that are outside the range covered by the current retention policy
考题
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy: CONFIGURE RETENTION POLICY TO REDUNDANCY 3; Which statement is true?（）A、The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB、Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC、Backup optimization is permanently disabledD、Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
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
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.
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
Examine the following RMAN command： BACKUP DATABASE TAG TESTDB KEEP UNTIL ’SYSDATE+1’ RESTORE POINT TESTDB06； Which two statements are true regarding the backup taken by using the above RMAN command？（） A、 Only data files and the control file are backed up.B、 Archived redo logs are backed up only if the database is open during the backup.C、 The backup is deleted after one day，regardless of the default retention policy settings. D、 The backup becomes obsolete after one day，regardless of the default retention policy settings.
考题
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 2B、 DEVICE TYPE DISK PARALLELISM 2C、 RETENTION POLICY TO REDUNDANCY 2D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2
考题
You issue the following command： RMANCONFIGURE 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.
考题
Consider this RMAN command： RMAN CONFIGURE RETENTION POLICY CLEAR； What is the effect of this command？（）A、Backups will never expire.B、It removes any retention policy.C、The DELETE OBSOLETE command will fail with an error.D、It sets the retention policy to the default of REDUNDANCY 1.
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
You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days， you want to change the status of the database backup and you issued the following command： RMANCHANGE BACKUPSET 231 NOKEEP； What is the implication of this command？（）A、 The backup is deleted.B、 The backup is marked unavailable.C、 The backup overrides the backup retention policy.D、 the backup becomes eligible for deletion according to the existing retention policy.
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You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy： CONFIGURE RETENTION POLICY TO REDUNDANCY 3； Which statement is true？（）A
The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB
Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC
Backup optimization is permanently disabledD
Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
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
多选题Examine the following RMAN command： BACKUP DATABASE TAG TESTDB KEEP UNTIL ’SYSDATE+1’ RESTORE POINT TESTDB06； Which two statements are true regarding the backup taken by using the above RMAN command？（）AOnly data files and the control file are backed up.BArchived redo logs are backed up only if the database is open during the backup.CThe backup is deleted after one day，regardless of the default retention policy settings.DThe backup becomes obsolete after one day，regardless of the default retention policy settings.
考题
单选题You issue the following command： RMANCONFIGURE 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.
考题
单选题Consider this RMAN command： RMAN CONFIGURE RETENTION POLICY CLEAR； What is the effect of this command？（）A
Backups will never expire.B
It removes any retention policy.C
The DELETE OBSOLETE command will fail with an error.D
It sets the retention policy to the default of REDUNDANCY 1.
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You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy: CONFIGURE RETENTION POLICY TO REDUNDANCY 3; Which statement is true?（）A
The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB
Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC
Backup optimization is permanently disabledD
Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
考题
单选题The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN REPORT OBSOLETE； What would you see in the output？（）A
a list of all those files that have been deleted in the last two daysB
a list of all those files that have been recovered within the last two daysC
a list of all the expired backups and copiesD
a list of backups and copies that are outside the range covered by the current retention policy
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.
考题
单选题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 2B
DEVICE TYPE DISK PARALLELISM 2C
RETENTION POLICY TO REDUNDANCY 2D
DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2
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