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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： RMAN>CHANGE 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.
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更多 “ 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.” 相关考题
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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.
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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
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Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）A、 when you change the name of a datafileB、 when you drop a table from the databaseC、 when you take an export of the databaseD、 when you back up the database using OS utilitiesE、 when you issue an ALTER SYSTEM SWITCH LOGFILE statementF、 when you issue a BACKUP command from inside the RMAN run block
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Examine the following command used to perform incremental level 0 backup： RMAN BACKUP INCREMENTAL LEVEL 0 DATABASE； To enable the block change tracking， after the incremental level 0 backup you issued the following command： SQL ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ’/mydir/ rman_change_track.f’；To perform incremental level 1 cumulative backup， you issued the following command： RMAN BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE； Which two statements are true in the above situation？（）A、 The block change tracking data will be used only from the next incremental 0 backup.B、 The incremental backup will use change tracking data for accomplishing the backup.C、 The incremental backup will not use change tracking data for accomplishing the backup.D、 The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
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You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）A、 The backup will not be performed at all.B、 three timesC、 four timesD、 six times
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You issued the following RMAN command： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； What is NOT an impact of using the above command？（）A、 When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.B、 When a structural change is made to the database， then a backup of the current control file is performed.C、 When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.D、 When a structural change is made to the database， then a backup of the alert log file will be performed.
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You are maintaining your database in Oracle10g. You are performing the backup by using the BACKUP AS BACKUPSET command at the RMAN prompt. Which file cannot be backed up by using the BACKUP AS BACKUPSET command？（）A、DatafilesB、 Current control fileC、 Server parameter file （spfile）D、 Password file
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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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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 daysB、a list of files that have not been backed up for three daysC、a list of files that RMAN recommends be backed up only once in every three days， based on low volatilityD、a list of files for which a backup has already been performed and may need a backup after three days
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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 backupsB、 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 consumedD、 Using this command to create backups improves the performance of the backup process
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You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario？（）A、The backup status will be marked expired in RMAN recovery catalog.B、The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.C、The backup will be deleted physically from the OS （Operating system）and the backup information is removed from the recovery cataloglD、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）.E、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）， if you are not using Oracle Managed Files （OMF）.
考题
A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java. Knowing that your database is in danger，which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression？（）A、 backup database allB、 backup compressed databaseC、 backup as compressed backupset databaseD、 backup as compressed backup database plus archivelog allE、 backup as compressed backupset database plus compress archivelog all
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You are performing a backup of your database across the network. While taking the backup， you want to save space on the storage media and reduce the network bandwidth. Which command will you issue to configure the required type of backup？（）A、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO BACKUPSET；B、 CONFIGURE DEVICE TYPE TO disk BACKUP TYPE TO COPY；C、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED BACKUPSET；D、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED COPY；
考题
单选题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 daysB
a list of files that have not been backed up for three daysC
a list of files that RMAN recommends be backed up only once in every three days， based on low volatilityD
a list of files for which a backup has already been performed and may need a backup after three days
考题
单选题You are performing a backup of your database across the network. While taking the backup， you want to save space on the storage media and reduce the network bandwidth. Which command will you issue to configure the required type of backup？（）A
CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO BACKUPSET；B
CONFIGURE DEVICE TYPE TO disk BACKUP TYPE TO COPY；C
CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED BACKUPSET；D
CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED COPY；
考题
多选题Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）Awhen you change the name of a datafileBwhen you drop a table from the databaseCwhen you take an export of the databaseDwhen you back up the database using OS utilitiesEwhen you issue an ALTER SYSTEM SWITCH LOGFILE statementFwhen you issue a BACKUP command from inside the RMAN run block
考题
单选题You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）A
The backup will not be performed at all.B
three timesC
four timesD
six times
考题
多选题You performed an incremental level 0 backup of a database: RMAN BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable block change tracking after the incremental level 0 backup, you issued this command: SQL ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’; To perform an incremental level 1 cumulative backup, you issued this command: RMAN BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which three statements are true?（）ABackup change tracking will sometimes reduce I/O performed during cumulative incremental backups.BThe change tracking file must always be backed up when you perform a full database backup.CBlock change tracking will always reduce I/O performed during cumulative incremental backups.DMore than one database block may be read by an incremental backup for a change made to a single block.EThe incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.
考题
单选题You are maintaining your database in Oracle10g. You are performing the backup by using the BACKUP AS BACKUPSET command at the RMAN prompt. Which file cannot be backed up by using the BACKUP AS BACKUPSET command？（）A
DatafilesB
Current control fileC
Server parameter file （spfile）D
Password file
考题
单选题You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario？（）A
The backup status will be marked expired in RMAN recovery catalog.B
The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.C
The backup will be deleted physically from the OS （Operating system）and the backup information is removed from the recovery cataloglD
The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）.E
The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）， if you are not using Oracle Managed Files （OMF）.
考题
单选题A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java. Knowing that your database is in danger，which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression？（）A
backup database allB
backup compressed databaseC
backup as compressed backupset databaseD
backup as compressed backup database plus archivelog allE
backup as compressed backupset database plus compress archivelog all
考题
单选题You issued the following RMAN command： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； What is NOT an impact of using the above command？（）A
When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed.B
When a structural change is made to the database， then a backup of the current control file is performed.C
When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed.D
When a structural change is made to the database， then a backup of the alert log file will be performed.
考题
单选题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 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.
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