单选题You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()ACreate a backup of the database and recover all corrupted blocks found in the backup.BRun a backup v

题目
单选题
You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()
A

 Create a backup of the database and recover all corrupted blocks found in the backup.

B

 Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.

C

 Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.

D

 Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.

E

 Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.


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更多“单选题You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()A  Create a backup of the database and recover all corrupted blocks found in the backup.B  Run a back”相关问题
  • 第1题:

    You have created a script in the recovery catalog called backup_database. Which of the following commands would successfully execute that script?()  

    • A、 run { open script backup_database; run script backup_database }
    • B、 run { engage script backup_database; }
    • C、 run { run script backup_database; }
    • D、 Run { execute script backup_database; }
    • E、 The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN would result in an error.

    正确答案:D

  • 第2题:

    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.

    正确答案:A,C

  • 第3题:

    You execute the following RMAN commands in the order shown below:  BACKUP VALIDATE DATABASE;  BLOCKRECOVER CORRUPTION LIST;  What will these commands do?()

    • A、create a backup of the database and recover all corrupted blocks found in the backup
    • B、run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database
    • C、run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view
    • D、run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view
    • E、run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired

    正确答案:D

  • 第4题:

    You issue this RMAN command:   RMAN> create script Level0Backup {   backup   incremental level 0   format ‘/u01/db01/backup/%d_%_Sp’   fileperset 5   (database include current controlfile);   sql ‘alter database archive log current’;   }  Which three statements are true about the Level0Backup script you just created?()

    • A、The script is stored only in the control file.
    • B、The script is stored only in the recover catalog.
    • C、The script can be executed only by using the RMAN RUN command.
    • D、The commands of the script can be displayed with the LIST command.
    • E、The commands of the script can be displayed with the PRINT command.
    • F、The commands of the script can be displayed with the REPORT command.

    正确答案:B,C,E

  • 第5题:

    You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()

    • A、 Create a backup of the database and recover all corrupted blocks found in the backup.
    • B、 Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.
    • C、 Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.
    • D、 Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.
    • E、 Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.

    正确答案:D

  • 第6题:

    You have lost all your database control files. To recover them, you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.  Which of the following is true regarding your recovery?()  

    • A、 You will need to open the database with the resetlogs command.
    • B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.
    • C、 You will use the resetlogs version of the create controlfile command.
    • D、 You will use the noresetlogs version of the create controlfile command.
    • E、 You will use the trace file to create a backup control file, and then you will recover the database with the recover database using backup controlfile command

    正确答案:D

  • 第7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: D,B
    解析: 暂无解析

  • 第8题:

    单选题
    You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()
    A

     Create a backup of the database and recover all corrupted blocks found in the backup.

    B

     Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.

    C

     Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.

    D

     Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.

    E

     Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.


    正确答案: A
    解析: 暂无解析

  • 第9题:

    多选题
    You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?()
    A

    Corrupted blocks, if any, are repaired.

    B

    Checks are performed for physical corruptions.

    C

    Checks are performed for logical corruptions.

    D

    Checks are performed to confirm whether all database files exist in correct locations

    E

    Backup sets containing both data files and archive logs are created.


    正确答案: C,A
    解析: 暂无解析

  • 第10题:

    单选题
    You execute the following RMAN commands in the order shown below:  BACKUP VALIDATE DATABASE;  BLOCKRECOVER CORRUPTION LIST;  What will these commands do?()
    A

    create a backup of the database and recover all corrupted blocks found in the backup

    B

    run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database

    C

    run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view

    D

    run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view

    E

    run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    You executed the following code:   BACKUP VALIDATE DATABASE;   BLOCKRECOVER CORRUPTION LIST;  What will be the result of executing the above code?()
    A

     The code will run a backup validation to populate the V$BACKUP_CORRUPTION view and repair corrupt blocks, if any, recorded in the view.

    B

     The code will run a backup validate to populate the V$COPY_CORRUPTION view and then repair any corrupt blocks recorded in the view.

    C

     The code will runs a backup validate to populate the V$DATABASE_BLOCK_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.

    D

     The code will run a backup validate to populate the RC_BACKUP_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, what RMAN command would you run to correct the problem?()
    A

     recover lost blocks

    B

     recover corrupt blocks

    C

     recover media corrupt blocks from list

    D

     recover corrupt blocks from list

    E

     recover corruption list


    正确答案: B
    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 observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files:  $ rman target /  What would be the effect of this command?()

    • A、RMAN would use the current operating system location to place the backup.
    • B、RMAN would use the control file of the target database to maintain the backup.
    • C、RMAN would use the recovery catalog of the target database to maintain the backup.
    • D、RMAN would use the control file of the target database to maintain the backup metadata. 
    • E、RMAN would use the recovery catalog of the target database to maintain the backup metadata.

    正确答案:D

  • 第15题:

    Your database is in ARCHIVELOG mode. On Friday evening, you perform an online database backup by using the BACKUP DATABASE command at the Recovery Manager (RMAN) prompt and close the  database. On Monday, the System Administrator informs you about the failure of two hard disks. One of the lost disks contains two datafiles, HR1.DBF and HR2.DBF, both of which belong to a read/write tablespace named HR. The disk also contains a datafile, USERS.DBF, which belongs to a read/write tablespace named USERS. You need to restore and recover the database backup that was performed on Friday evening. After mounting the database, you issue the following RMAN commands:        RMAN>RESTORE DATABASE;        RMAN>RECOVER DATABASE;   After successfully executing these RMAN commands, you issue the following statement using SQL*Plus:        SQL>ALTER DATABASE OPEN;   You receive the following errors when attempting to open the database:        ORA-01157: cannot identify/lock data file 10 see DBWR trace file        ORA-01110: data file 10: ’D:///USERS.DBF’   What is the cause of these errors?()

    • A、 The USERS.DBF datafile is corrupted and cannot be restored by RMAN.
    • B、 The USERS.DBF datafile was not backed up using the RMAN BACKUP DATABASE command.
    • C、 The USERS.DBF datafile was not restored using the RMAN RESTORE DATABASE command.
    • D、 The USERS.DBF datafile was not recovered using the RMAN RECOVER DATABASE command.

    正确答案:C

  • 第16题:

    You executed the following code:   BACKUP VALIDATE DATABASE;   BLOCKRECOVER CORRUPTION LIST;  What will be the result of executing the above code?()  

    • A、 The code will run a backup validation to populate the V$BACKUP_CORRUPTION view and repair corrupt blocks, if any, recorded in the view.
    • B、 The code will run a backup validate to populate the V$COPY_CORRUPTION view and then repair any corrupt blocks recorded in the view.
    • C、 The code will runs a backup validate to populate the V$DATABASE_BLOCK_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.
    • D、 The code will run a backup validate to populate the RC_BACKUP_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.

    正确答案:C

  • 第17题:

    If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, what RMAN command would you run to correct the problem?()

    • A、 recover lost blocks
    • B、 recover corrupt blocks
    • C、 recover media corrupt blocks from list
    • D、 recover corrupt blocks from list
    • E、 recover corruption list

    正确答案:E

  • 第18题:

    单选题
    You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files: % rman target / What would be the effect of this command?()
    A

     RMAN would use the current operating system location to place the backup.

    B

     RMAN would use the control file of the target database to maintain the backup.

    C

     RMAN would use the recovery catalog of the target database to maintain the backup.

    D

     RMAN would use the control file of the target database to maintain the backup metadata.

    E

     RMAN would use the recovery catalog of the target database to maintain the backup metadata.


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    You have created a script in the recovery catalog called backup_database. Which of the following commands would successfully execute that script?()
    A

     run { open script backup_database; run script backup_database }

    B

     run { engage script backup_database; }

    C

     run { run script backup_database; }

    D

     Run { execute script backup_database; }

    E

     The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN would result in an error.


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning, while querying the user1.employees table, you receive the following error message:  01578: ORACLE data block corrupted (file # 5, block # 51) ORA/x7f01110: data file 5: ’/u01/app/oracle/oradata/orcl/example01.dbf’  You need to rectify the corruption while ensuring the following: The data file should remain online.  The mean time to recover (MTTR) should be minimal.  You are not using a backup control file, and all the archived logs are accessible. Which option would you choose?()
    A

    flash back the corrupted blocks

    B

    use the DBMS_REPAIR package

    C

    use the RMAN TSPITR command

    D

    use the RMAN BLOCKRECOVER command

    E

    use the RESTORE DATABASE and RECOVER DATABASE commands

    F

    investigate the time at which the corruption occurred and perform a point­in­time recovery


    正确答案: F
    解析: 暂无解析

  • 第21题:

    单选题
    Your database is in ARCHIVELOG mode. On Friday evening, you perform an online database backup by using the BACKUP DATABASE command at the Recovery Manager (RMAN) prompt and close the  database. On Monday, the System Administrator informs you about the failure of two hard disks. One of the lost disks contains two datafiles, HR1.DBF and HR2.DBF, both of which belong to a read/write tablespace named HR. The disk also contains a datafile, USERS.DBF, which belongs to a read/write tablespace named USERS. You need to restore and recover the database backup that was performed on Friday evening. After mounting the database, you issue the following RMAN commands:        RMAN>RESTORE DATABASE;        RMAN>RECOVER DATABASE;   After successfully executing these RMAN commands, you issue the following statement using SQL*Plus:        SQL>ALTER DATABASE OPEN;   You receive the following errors when attempting to open the database:        ORA-01157: cannot identify/lock data file 10 see DBWR trace file        ORA-01110: data file 10: ’D:///USERS.DBF’   What is the cause of these errors?()
    A

     The USERS.DBF datafile is corrupted and cannot be restored by RMAN.

    B

     The USERS.DBF datafile was not backed up using the RMAN BACKUP DATABASE command.

    C

     The USERS.DBF datafile was not restored using the RMAN RESTORE DATABASE command.

    D

     The USERS.DBF datafile was not recovered using the RMAN RECOVER DATABASE command.


    正确答案: C
    解析: 暂无解析

  • 第22题:

    多选题
    You execute the following Recovery Manager (RMAN) commands in he following order:   BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST;   Which two tasks are performed by these commands?()
    A

    Repair the corrupted blocks. If any. In the backup created

    B

    Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks

    C

    Back up the database after checking whether array of the files have corrupted blocks

    D

    Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view

    E

    Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION


    正确答案: C,E
    解析: 暂无解析

  • 第23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24题:

    单选题
    You have lost all your database control files. To recover them, you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.  Which of the following is true regarding your recovery?()
    A

     You will need to open the database with the resetlogs command.

    B

     All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.

    C

     You will use the resetlogs version of the create controlfile command.

    D

     You will use the noresetlogs version of the create controlfile command.

    E

     You will use the trace file to create a backup control file, and then you will recover the database with the recover database using backup controlfile command


    正确答案: E
    解析: 暂无解析