单选题You issue the following command：   RMAN>CONFIGURE BACKUP OPTIMIZATION ON；   What is the result of this command on your backups？（）AAn incremental backup strategy will be used automatically.BRead-only datafiles will not be backed up as long as backups of

题目
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.

相似考题

1. You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLS tablespace to disk was taken on January 3. The TOOLS tablespace is read/x7fonly.  On February 21， when you execute a command to back up all the tablespaces to disk， you find that RMAN backs up the TOOLS tablespace also， even though the contents of the tablespace have not changed after the backup on January 3.  Because there are no changes made to the TOOLS tablespace， you decide that the tablespace should not be backed up by RMAN. What can you to do skip backing up the TOOLS tablespace without changing the current backup optimization setting？（）A、configure a default device for RMAN backupsB、temporarily disable the retention policy for RMAN backupsC、configure automatic channel allocation for RMAN backupsD、use the CONFIGURE command to reconfigure the recovery window to 60 days

2. Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt：     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF；   RMAN> BACKUP DATABASE；   Which files from the database will be backed up as a result of this BACKUP command？（）A、 control fileB、 all datafilesC、 password fileD、 online redo log fileE、 archive redo log fileF、 server parameter fileG、 only the SYSTEM datafile

3. Consider the following scenario for your database: - Backup optimization is enabled in RMAN. - The recovery window is set to 7 days in RMAN. - The most recent backup to disk for the TOOLS tablespace was taken on November 3, 2007. - The TOOLS tablespace is read-only since November 4, 2007. On November 23, 2007, you issue the RMAN command to back up the database to disk. Which statement is true regarding the backup of the TOOLS tablespace?（）A、The RMAN backup fails because the TOOLS tablespace is read-onlyB、The RMAN skips the backup of the tablespace because backup optimization is enabledC、The RMAN makes backup because optimization can be enabled only for backups to diskD、The RMAN makes the backup because no backup of the tablespace exists within the seven day window

4. In which scenario， will you issue the following command？（） RMAN> REPORT NEED BACKUP DAYS 7；A、 to configure RMAN to maintain backup information in the RMAN repository for seven daysB、 to configure RMAN to maintain backup information in the control file for at least seven daysC、 to display the list of files that have not been backed up for the last seven daysD、 to display the list of files that must be backed up within seven days

参考答案和解析
正确答案： C
解析： 暂无解析
更多“You issue the following command：   RMAN>CONFIGURE BACKUP OPT”相关问题

  • 第1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:B

  • 第2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3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.

    正确答案:D

  • 第4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5题：

    单选题
    In which scenario， will you issue the following command？（） RMAN> REPORT NEED BACKUP DAYS 7；
    A

     to configure RMAN to maintain backup information in the RMAN repository for seven days

    B

     to configure RMAN to maintain backup information in the control file for at least seven days

    C

     to display the list of files that have not been backed up for the last seven days

    D

     to display the list of files that must be backed up within seven days


    正确答案： B
    解析： 暂无解析

  • 第6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7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8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9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： C
    解析： 暂无解析

  • 第10题：

    单选题
    You issued the following commands to configure setting in RMAN; RMAN> CONFIGURE DEVICE TYPE sbt PARALLELISM 1; RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt; RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2; Then you issued the following command to take the backup: RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which statement is true about the execution of the above command?（）
    A

    The backup will terminate because the FORMAT clause was not configured for the channel

    B

    It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

    C

    It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

    D

    It backs up the data files and archived log files to tape, making two copies of each data file and archived log file


    正确答案： A
    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 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： D
    解析： 暂无解析

  • 第13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：

    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16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；

    正确答案:C

  • 第17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18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.


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN> CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN> RUN 2> { 3> ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4> BACKUP DATABASE; 5> } Which statement is true about the outcome?（）
    A

    Only one channel is allocated and the backup is created in the flash recovery area

    B

    Only one channel is allocated and the backup is created in the destination specified for channel 1

    C

    Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2

    D

    Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA


    正确答案： C
    解析： 暂无解析

  • 第20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21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22题：

    单选题
    You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLStablespace to disk was taken on January 3. The TOOLStablespace is read-only.On February 21， when you execute a command to back up all the tablespaces to disk， you find that RMAN backs up the TOOLS tablespace also， even though the contents of the tablespace have not changed after the backup on January 3. Because there are no changes made to the TOOLStablespace， you decide that the tablespace should not be backed up by RMAN. What can you do to skip backing up the TOOLStablespace without changing the current backup optimization setting？（）
    A

     configure a default device for RMAN backups

    B

     temporarily disable the retention policy for RMAN backups

    C

     configure automatic channel allocation for RMAN backups

    D

     use the CONFIGURE command to reconfigure the recovery window to 60 days


    正确答案： A
    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

  • 第24题：

    多选题
    Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt：     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF；   RMAN> BACKUP DATABASE；   Which files from the database will be backed up as a result of this BACKUP command？（）
    A

    control file

    B

    all datafiles

    C

    password file

    D

    online redo log file

    E

    archive redo log file

    F

    server parameter file

    G

    only the SYSTEM datafile


    正确答案： G,F
    解析： 暂无解析

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