单选题What is an obsolete backup set？（）AA backup set that is missing one or more backup set piecesBA backup that has exceeded the retention criteria and is no longer neededCA backup set that does not include archived redo logsDA backup set that can not be re

题目
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 A backup set superceded by a datafile copy

相似考题

1.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

2.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

3.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.

4. 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.

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 n”相关问题

  • 第1题：

    Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）

    • A、Backup retention policy
    • B、Default backup device type
    • C、Default destinations for backups
    • D、Multiple backup device types for single backup
    • E、Default section size for backups

    正确答案:A,B,C

  • 第2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.

    正确答案:E

  • 第3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

    正确答案:B

  • 第4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 policy
    • B、Default backup device type
    • C、Default destinations for backups
    • D、Multiple backup device types for single backup
    • E、Default section size for backups

    正确答案:A,B,C

  • 第5题：

    Which 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 set
    • C、 RMAN backups
    • D、 RMAN channels
    • E、 None of the above

    正确答案:B

  • 第6题：

    Why would you execute the report obsolete command？（）  

    • A、 To list all backups that were no longer available for restore operations
    • B、 To list all backups that had aged beyond the RMAN retention criteria
    • C、 To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup media
    • D、 To list all datafiles that are no longer part of the database and thus do not need to be backed up
    • E、 To list all archived redo logs that are no longer needed for any database recovery

    正确答案:B

  • 第7题：

    多选题
    Why would you run the delete obsolete command？（）
    A

    To remove missing backup set pieces physically from disk

    B

    To remove metadata related to backup set pieces in the control file and the recovery catalog

    C

    To mark as deleted records in the control file and the recovery catalog associated with obsolete backup sets

    D

    To delete backup set pieces associated with backups that are no longer needed due to retention criteria

    E

    To remove old versions of RMAN backups


    正确答案： B,C
    解析： 暂无解析

  • 第8题：

    多选题
    Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）
    A

    Backup retention policy

    B

    Default backup device type

    C

    Default destinations for backups

    D

    Multiple backup device types for single backup

    E

    Default section size for backups


    正确答案： A,E
    解析： 暂无解析

  • 第9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. 


    正确答案： B
    解析： 暂无解析

  • 第10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.


    正确答案： C
    解析： 暂无解析

  • 第11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.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Why would you execute the report obsolete command？（）
    A

     To list all backups that were no longer available for restore operations

    B

     To list all backups that had aged beyond the RMAN retention criteria

    C

     To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup media

    D

     To list all datafiles that are no longer part of the database and thus do not need to be backed up

    E

     To list all archived redo logs that are no longer needed for any database recovery


    正确答案： E
    解析： 暂无解析

  • 第13题：

    Why would you run the delete obsolete command？（）  

    • A、 To remove missing backup set pieces physically from disk
    • B、 To remove metadata related to backup set pieces in the control file and the recovery catalog
    • C、 To mark as deleted records in the control file and the recovery catalog associated with obsolete backup sets
    • D、 To delete backup set pieces associated with backups that are no longer needed due to retention criteria
    • E、 To remove old versions of RMAN backups

    正确答案:C,D

  • 第14题：

    You issue the following RMAN command to set a retention policy on a database：       RMAN>CONFIGURE 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.

    正确答案:D

  • 第15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$BACKUPSET
    • B、RC_DATABASE
    • C、V$BACKUP_SET
    • D、RC_BACKUP_SET

    正确答案:C

  • 第16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.

    正确答案:B

  • 第17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. 

    正确答案:D

  • 第18题：

    单选题
    You issue the following RMAN command to set a retention policy on a database：       RMAN>CONFIGURE 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.


    正确答案： C
    解析： 暂无解析

  • 第19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.


    正确答案： E
    解析： 暂无解析

  • 第20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


    正确答案： E
    解析： 暂无解析

  • 第21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$BACKUPSET

    B

    RC_DATABASE

    C

    V$BACKUP_SET

    D

    RC_BACKUP_SET


    正确答案： A
    解析： 暂无解析

  • 第22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.


    正确答案： E
    解析： 暂无解析

  • 第23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.


    正确答案： E
    解析： 暂无解析

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