单选题The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility.   What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility？（）AThe block c

题目
单选题
The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility.   What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility？（）
A

 The block change tracking feature must be enabled.

B

 OMF must be configured on your database.

C

 The database must be in ARCHIVELOG mode.

D

 A USERID must be supplied.

相似考题

1.You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;

2.You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）A、 You must use automatic undo management in the database.B、 You must configure OMF in your database.C、 You must configure ASM for storing the datafiles.D、 You must multiplex the online redo log file.

3. The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility.   What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility？（）  A、 The block change tracking feature must be enabled.B、 OMF must be configured on your database.C、 The database must be in ARCHIVELOG mode.D、 A USERID must be supplied.

4.You want to check the EMP table in the user， Scott’s schema for block corruption. You also want to fix the corrupted blocks， if any. How will you accomplish the required task？（）A、by using the ANALYZE utilityB、by using the DBVERIFY utilityC、by using the DB_BLOCK_CHECKING parameterD、by using the DBMS_REPAIR package

参考答案和解析
正确答案： B
解析： 暂无解析
更多“单选题The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility.   What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility？（）A  The block”相关问题

  • 第1题：

    You are using the Block Media Recovery feature to recover the blocks that are marked corrupt since the last backup. Which view will you query to display information about the data blocks that are marked corrupt since the last backup？（）

    • A、 V$BACKUP_CORRUPTION
    • B、 V$COPY_CORRUPTION
    • C、 V$DATABASE_BLOCK_CORRUPTION
    • D、 RC_BACKUP_CORRUPTION

    正确答案:C

  • 第2题：

    You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement will you use to enable the block change tracking feature？（）

    • A、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING；
    • B、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING；
    • C、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE ；
    • D、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ；

    正确答案:D

  • 第3题：

    There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database？（） 

    • A、the DBNEWID utility
    • B、the DBVERIFY utility
    • C、the ANALYZE command
    • D、the RMAN REPORT command
    • E、the RMAN CROSSCHECK command
    • F、the CHECK_OBJECT procedure of the DBMS_REPAIR package

    正确答案:B

  • 第4题：

    While querying the EMPLOYEES table， you receive an ORA-01578 message indicating block corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified.  Which RMAN command do you use to perform BMR and repair the corrupt block？（）  

    • A、 RECOVER FILE=1201 BLOCK=1968
    • B、 RECOVER CORRUPTION LIST
    • C、 RECOVER DATAFILE 1201 BLOCK 1968
    • D、 RECOVER BLOCK CORRUPTION LIST
    • E、 None of the above

    正确答案:B,C

  • 第5题：

    You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes.   Which action will you perform to check the data blocks？（）

    • A、 Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUE
    • B、 Use the ANALYZE utility.
    • C、 Use the DBVERIFY utility.
    • D、 Use the DBMS_REPAIR package.

    正确答案:A

  • 第6题：

    单选题
    You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）
    A

    ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;

    B

    ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;

    C

    ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;

    D

    ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database？（）
    A

    the DBNEWID utility

    B

    the DBVERIFY utility

    C

    the ANALYZE command

    D

    the RMAN REPORT command

    E

    the RMAN CROSSCHECK command

    F

    the CHECK_OBJECT procedure of the DBMS_REPAIR package


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）
    A

     You must use automatic undo management in the database.

    B

     You must configure OMF in your database.

    C

     You must configure ASM for storing the datafiles.

    D

     You must multiplex the online redo log file.


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    While working on the database， you receive the following error：        01578： ORACLE data block corrupted （file# 6， block # 54）        ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’   You decide to recover the corrupted data block by using the Block Media Recovery feature. Which option is NOT a disadvantage of using block media recovery？（）
    A

     Block Media Recovery must be used with RMAN.

    B

     You must perform complete recovery of individual blocks.

    C

     You must have a full RMAN backup， not an incremental backup.

    D

     You must use the DBVERIFY utility before using the Block Media Recovery feature.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    You issued the following command to analyze the SCOTT.EMP table for block corruption：   ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE；  You received the following error：   ORA-01578： ORACLE data block corrupted  （file # %s， block # %s）   How will you resolve the block corruption problem？（）
    A

     by using the DBMS_REPAIR package

    B

     by using the DB_BLOCK_CHECKING parameter

    C

     by using the DBVERIFY utility

    D

     will not be completely resolved until the hardware fault is corrected


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility.   What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility？（）
    A

     The block change tracking feature must be enabled.

    B

     OMF must be configured on your database.

    C

     The database must be in ARCHIVELOG mode.

    D

     A USERID must be supplied.


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes.   Which action will you perform to check the data blocks？（）
    A

     Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUE

    B

     Use the ANALYZE utility.

    C

     Use the DBVERIFY utility.

    D

     Use the DBMS_REPAIR package.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    While working on the database， you receive the following error：        01578： ORACLE data block corrupted （file# 6， block # 54）        ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’   You decide to recover the corrupted data block by using the Block Media Recovery feature. Which option is NOT a disadvantage of using block media recovery？（）

    • A、 Block Media Recovery must be used with RMAN.
    • B、 You must perform complete recovery of individual blocks.
    • C、 You must have a full RMAN backup， not an incremental backup.
    • D、 You must use the DBVERIFY utility before using the Block Media Recovery feature.

    正确答案:D

  • 第14题：

    You are using the DBVERIFY utility to check the datafiles for any block corruption. You want to write the output of the dbv command to a file not to the screen.  Which parameter of the DBVERIFY utility will you use？（）

    • A、 FILE
    • B、 PARFILE
    • C、 LOGFILE
    • D、 FEEDBACK

    正确答案:C

  • 第15题：

    You issued the following command to analyze the SCOTT.EMP table for block corruption：   ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE；  You received the following error：   ORA-01578： ORACLE data block corrupted  （file # %s， block # %s）   How will you resolve the block corruption problem？（）

    • A、 by using the DBMS_REPAIR package
    • B、 by using the DB_BLOCK_CHECKING parameter
    • C、 by using the DBVERIFY utility
    • D、 will not be completely resolved until the hardware fault is corrected

    正确答案:D

  • 第16题：

    You issue the following statement：   SQL> SELECT FIRSTNAME， LASTNAME FROM HR.EMPLOYEE；  You receive the following error：         01578： ORACLE data block corrupted （file# 6， block # 54）        ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’   How will you resolve this problem of data block corruption by reducing the mean time to recover （MTTR）？（）

    • A、 by using the DBMS_REPAIR package
    • B、 by using the DBVERIFY utility
    • C、 by using Block Media Recovery
    • D、 by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command

    正确答案:C

  • 第17题：

    Your database is configured on non-ASM disk storage. You need to migrate your database to ASM disk storage.  Which statement is true about migrating from non-ASM disk storage to ASM disk storage？（） 

    • A、 You can use the operating system utility to migrate from non-ASM disk storage to ASM disk storage.
    • B、 You cannot perform a database backup from non-ASM disk storage to tape and then move it to ASM disk storage.
    • C、 You can use the SWITCH DATABASE TO COPY Recovery Manager （RMAN） command to switch back to non-ASM disk storage if you have not deleted your original datafiles.
    • D、 You cannot use Recovery Manager （RMAN） to migrate from non-ASM disk storage to ASM disk storage if you are not using RMAN for your backup and recovery strategies.

    正确答案:C

  • 第18题：

    单选题
    You issue the following statement：   SQL> SELECT FIRSTNAME， LASTNAME FROM HR.EMPLOYEE；  You receive the following error：         01578： ORACLE data block corrupted （file# 6， block # 54）        ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’   How will you resolve this problem of data block corruption by reducing the mean time to recover （MTTR）？（）
    A

     by using the DBMS_REPAIR package

    B

     by using the DBVERIFY utility

    C

     by using Block Media Recovery

    D

     by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    You want to check the EMP table in the user， Scott’s schema for block corruption. You also want to fix the corrupted blocks， if any. How will you accomplish the required task？（）
    A

    by using the ANALYZE utility

    B

    by using the DBVERIFY utility

    C

    by using the DB_BLOCK_CHECKING parameter

    D

    by using the DBMS_REPAIR package


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.Which statement should you use to enable the block change tracking feature?（）
    A

    ALTER DATABASE ENABLE BLOCK CHANGE TRACKING

    B

    ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE

    C

    ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE

    D

    ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Matthew has recently joined NetFx Corporation as a junior-level Database Administrator （DBA）. He is asked by his supervisor to verify the database for data block corruptions. He uses the DBVERIFY utility and finds that two data blocks are corrupted in the database.   What should Matthew use to identify the corrupted blocks as well as datafiles containing these blocks？（）
    A

     datafile

    B

     alert log

    C

     dynamic views

    D

     control file script


    正确答案： B
    解析： 暂无解析

  • 第22题：

    多选题
    While querying the EMPLOYEES table， you receive an ORA-01578 message indicating block corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified.  Which RMAN command do you use to perform BMR and repair the corrupt block？（）
    A

    RECOVER FILE=1201 BLOCK=1968

    B

    RECOVER CORRUPTION LIST

    C

    RECOVER DATAFILE 1201 BLOCK 1968

    D

    RECOVER BLOCK CORRUPTION LIST

    E

    None of the above


    正确答案： C,E
    解析： 暂无解析

  • 第23题：

    单选题
    You are using the DBVERIFY utility to check the datafiles for any block corruption. You want to write the output of the dbv command to a file not to the screen.  Which parameter of the DBVERIFY utility will you use？（）
    A

     FILE

    B

     PARFILE

    C

     LOGFILE

    D

     FEEDBACK


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    You are using the Block Media Recovery feature to recover the blocks that are marked corrupt since the last backup. Which view will you query to display information about the data blocks that are marked corrupt since the last backup？（）
    A

     V$BACKUP_CORRUPTION

    B

     V$COPY_CORRUPTION

    C

     V$DATABASE_BLOCK_CORRUPTION

    D

     RC_BACKUP_CORRUPTION


    正确答案： B
    解析： 暂无解析

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