网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
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 A backup set superceded by a datafile copy


参考答案

参考解析
解析: 暂无解析
更多 “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set that does not include archived redo logsD  A backup set that can not be recovered due to corruptionE  A backup set superceded by a datafile copy” 相关考题
考题 Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.() A. Backup retention policyB. Default backup device typeC. Default destinations for backupsD. Multiple backup device types for single backupE. Default section size for backups

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 Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.()A、Backup retention policyB、Default backup device typeC、Default destinations for backupsD、Multiple backup device types for single backupE、Default section size for backups

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 Where can you obtain information about full database backup set created using RMAN, if the control file was used as the repository?()A、V$BACKUPSETB、RC_DATABASEC、V$BACKUP_SETD、RC_BACKUP_SET

考题 Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.() (Choose all that apply.)A、Backup retention policyB、Default backup device typeC、Default destinations for backupsD、Multiple backup device types for single backupE、Default section size for backups

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 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 While performing the backup of the flash recovery area, you notice that one of the archived redo log files is missing. You have multiple destinations for archived redo log files. What implications does it have on the backup of the flash recovery area?()A、The backup fails because one of the archived redo log files is missing. B、The backup succeeds but it would be without the missing archived log. C、During backup, you are prompted for the alternative destination for the missing archived redo log file. D、The backup succeeds because it fails over to one of the alternative archived redo log destinations. 

考题 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

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 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 多选题Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.()ABackup retention policyBDefault backup device typeCDefault destinations for backupsDMultiple backup device types for single backupEDefault section size for backups

考题 单选题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 单选题While performing the backup of the flash recovery area, you notice that one of the archived redo log files is missing. You have multiple destinations for archived redo log files. What implications does it have on the backup of the flash recovery area?()A The backup fails because one of the archived redo log files is missing. B The backup succeeds but it would be without the missing archived log. C During backup, you are prompted for the alternative destination for the missing archived redo log file. D The backup succeeds because it fails over to one of the alternative archived redo log destinations. 

考题 单选题Where can you obtain information about full database backup set created using RMAN, if the control file was used as the repository?()A V$BACKUPSETB RC_DATABASEC V$BACKUP_SETD RC_BACKUP_SET

考题 单选题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.

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