niusouti.com

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 issuing this command?（）A After two days, a backup will be marked obsoleteB After two days, a back

题目
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 issuing this command?（）
A

After two days, a backup will be marked obsolete

B

After two days, a backup will be deleted from the media

C

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.

相似考题

1.Multiple RMAN sessions are connected to the database instance.Examine the following output when backup commands are running in server sessions:What could have helped you to correlate server sessions with channels?（）A. Implement RMAN multiplexingB. Set the DEBUG ON in the RMAN scriptC. Specify the command ID in the RMAN scriptD. Use a tag with the RMAN BACKUP command

2. 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

3.How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog？（）  A、 Issue the grant command from the SYS user （or equivalent） of the target database.B、 Issue the grant command from the SYS user （or equivalent） of the recovery-catalog database.C、 Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog.D、 Issue the grant command from RMAN when connected to the recovery catalog-owning schema.E、 Issue the grant command from RMAN when connected to the target database.

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“You issue the following RMAN command to set a retention poli”相关问题

  • 第1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.

    正确答案:B

  • 第2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 2
    • B、 DEVICE TYPE DISK PARALLELISM 2
    • C、 RETENTION POLICY TO REDUNDANCY 2
    • D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2

    正确答案:C

  • 第3题：

    You issue the following command：   RMAN>CONFIGURE 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.

    正确答案:B

  • 第4题：

    You issue the following command on the RMAN prompt.   RMAN> REPORT NEED BACKUP DAYS = 5 DATABASE；   Which statement is true about executing this command？（）

    • A、 It will display a list of files that need incremental backup.
    • B、 It will display a list of files that need backup after five days.
    • C、 It will display a list of files that were backed up in the last five days.
    • D、 It will display a list of files that have not been backed up in the last five days.
    • E、 It will apply the current retention policy to determine the files that need to be backed up.

    正确答案:D

  • 第5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 enabled

    B

     Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up

    C

     Backup optimization is permanently disabled

    D

     Backup optimization is temporarily disabled because a redundancy-based retention policy is specified


    正确答案： D
    解析： 暂无解析

  • 第6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： A
    解析： 暂无解析

  • 第7题：

    单选题
    You executed the following command in Recovery Manager （RMAN）：  RMAN> RESTORE CONTROLFILE；  Which operation must you perform before this command is executed？（）
    A

     back up the control file to trace

    B

     bring database to the MOUNT state

    C

     open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database

    D

     set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog


    正确答案： C
    解析： 暂无解析

  • 第8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 2

    B

     DEVICE TYPE DISK PARALLELISM 2

    C

     RETENTION POLICY TO REDUNDANCY 2

    D

     DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    You have control-file autobackups enabled. When starting your database from SQL*Plus， you receive the following error message：   SQL> startup ORA-01078： failure in processing system parameters LRM-00109：  could not open parameter file ，  C:///ORACLE/PRODUCT/11.1.0/DB_1/DATABASE/INITORCL.ORA Using RMAN，   how would you respond to this error？（）
    A

     Issue the startup nomount command and then issue the restore parameter file command from the RMAN prompt.

    B

     Issue the startup nomount command and then issue the restore spfile command from the RMAN prompt.

    C

     Issue the startup nomount command and then issue the restore spfile from autobackup command from the RMAN prompt.

    D

     Issue the startup nomount command and then issue the restore spfile from backup command from the RMAN prompt.

    E

     Issue the restore spfile from autobackup command from the RMAN prompt.


    正确答案： A
    解析： 暂无解析

  • 第10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：   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.


    正确答案： C
    解析： 暂无解析

  • 第11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？ （）
    A

    when you change the name of a datafile

    B

    when you drop a table from the database

    C

    when you take an export of the database

    D

    when you back up the database using OS utilities

    E

    when you issue an ALTER SYSTEM SWITCH LOGFILE statement

    F

    when you issue a BACKUP command from inside the RMAN run block


    正确答案： C,B
    解析： 暂无解析

  • 第12题：

    单选题
    You issue the following command on the RMAN prompt.   RMAN> REPORT NEED BACKUP DAYS = 5 DATABASE；   Which statement is true about executing this command？（）
    A

     It will display a list of files that need incremental backup.

    B

     It will display a list of files that need backup after five days.

    C

     It will display a list of files that were backed up in the last five days.

    D

     It will display a list of files that have not been backed up in the last five days.

    E

     It will apply the current retention policy to determine the files that need to be backed up.


    正确答案： E
    解析： 暂无解析

  • 第13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？ （）

    • A、 when you change the name of a datafile
    • B、 when you drop a table from the database
    • C、 when you take an export of the database
    • D、 when you back up the database using OS utilities
    • E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
    • F、 when you issue a BACKUP command from inside the RMAN run block

    正确答案:A,E,F

  • 第14题：

    You executed the following command in Recovery Manager （RMAN）： RMAN> RESTORE CONTROLFILE; Which operation must you perform before this command is executed？（）

    • A、back up the control file to trace
    • B、bring database to the MOUNT state
    • C、open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database
    • D、set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

    正确答案:C

  • 第15题：

    You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command：       RMAN>BACKUP DATABASE；  At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）

    • A、 Start the database in the MOUNT stage.
    • B、 Back up the control file to trace.
    • C、 Set the DBID
    • D、 Issue the RECOVER DATABASE command.

    正确答案:C

  • 第16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 enabled

    B

    Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up

    C

    Backup optimization is permanently disabled

    D

    Backup optimization is temporarily disabled because a redundancy-based retention policy is specified


    正确答案： D
    解析： 暂无解析

  • 第17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 issuing this command？（）
    A

     After two days，a backup will be marked obsolete

    B

     After two days，a backup will be deleted from the media

    C

     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.


    正确答案： D
    解析： 暂无解析

  • 第18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： D
    解析： 暂无解析

  • 第19题：

    单选题
    How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog？（）
    A

     Issue the grant command from the SYS user （or equivalent） of the target database.

    B

     Issue the grant command from the SYS user （or equivalent） of the recovery-catalog database.

    C

     Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog.

    D

     Issue the grant command from RMAN when connected to the recovery catalog-owning schema.

    E

     Issue the grant command from RMAN when connected to the target database.


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    You issue the following command on the RMAN prompt.   REPORT NEED BACKUP DAYS 5；   Which statement is true about executing this command？（）
    A

     It will display a list of files that need incremental backup

    B

     It will display a list of files that need backup after five days

    C

     It will display a list of files that were backed up in the last five days

    D

     It will display a list of files that have not been backed up in the last five days

    E

     It will apply the current retention policy to determine the files that need to be backed up


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    You issue the following command：   RMAN>CONFIGURE 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.


    正确答案： E
    解析： 暂无解析

  • 第22题：

    单选题
    You enable block change tracking. You issue the following command：   BACKUP INCREMENTAL LEVEL 0 DATABASE；   The next day，you issue the following command：   BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE；   Which statement about the use of the change tracking file is true？（）
    A

     RMAN reads the block change tracking file only when it performs the incremental level 0 backup.

    B

     RMAN reads the block change tracking file when it performs both incremental backups.

    C

     RMAN reads the block change tracking file only when it performs the incremental level 1 backup.

    D

     RMAN does not read the block change tracking file when it performs either incremental backup.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB.  You issue the following command from the RMAN prompt to perform a backup of the tablespace：   RMAN> BACKUP TABLESPACE TS1 MAXSETSIZE 100M；  Which statement is true about executing this command？（）
    A

     The command generates an error.

    B

     The command backs up the tablespace and creates a backup set of size 200 MB

    C

     The command backs up the tablespace and creates two backup sets of size 100 MB each.

    D

     The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.


    正确答案： B
    解析： 暂无解析

相关内容