You are managing an Oracle Database 11g ASM instance with a disk group dg01 having three disks. One of the disks in the disk group becomes unavailable because of power failure. You issued the following command to change the DISK_REPAIR_TIME attribute fro

题目

You are managing an Oracle Database 11g ASM instance with a disk group dg01 having three disks. One of the disks in the disk group becomes unavailable because of power failure. You issued the following command to change the DISK_REPAIR_TIME attribute from 3.6 hours to 5 hours: ALTER DISKGROUP dg01 SET ATTRIBUTE 'disk_repair_time' = '5h'; To which disks in the disk group will the new value be applicable?()

  • A、all disks in the disk group
  • B、all disks that are currently in OFFLINE mode
  • C、all disks that are not currently in OFFLINE mode
  • D、all disks in the disk group only if all of them are ONLINE

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参考答案和解析
正确答案:C
更多“You are managing an Oracle Data”相关问题
  • 第1题:

    You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback?()

    • A、Oracle Flashback uses undo information to construct consistent data. 
    • B、You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session. 
    • C、You can only use Oracle Flashback view of the data if the required records are still in the online redo log files. 
    • D、Oracle Flashback lists the DML that was executed during the period you identify when initiating your session. 

    正确答案:A,B

  • 第2题:

    You want to estimate the size of a table by using the Oracle Enterprise Manager.  On which data is the size of the table NOT based?()

    • A、 column sizes
    • B、 column data types
    • C、 PCTFREE
    • D、 projected number of row
    • E、 PCTUSED

    正确答案:E

  • 第3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4题:

    Which tasks can be accomplished using the Enterprise Manager Support Workbench in Oracle Database 11g?() 

    • A、 Generate reports on data failure such as data file failures.
    • B、 You can track the Service Request (SR) and implement repairs.
    • C、 You can package and upload diagnostic data to Oracle Support.
    • D、 You can manually run health checks to gather diagnostic data for a problem.

    正确答案:B,C,D

  • 第5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: B
    解析: 暂无解析

  • 第6题:

    多选题
    You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback?()
    A

    Oracle Flashback uses undo information to construct consistent data.

    B

    You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session.

    C

    You can only use Oracle Flashback view of the data if the required records are still in the online redo log files.

    D

    Oracle Flashback lists the DML that was executed during the period you identify when initiating your session.


    正确答案: D,C
    解析: 暂无解析

  • 第7题:

    单选题
    You are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big filetablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each.Which method would accomplish the task quickly and efficiently?()
    A

    parallel image copy backup

    B

    backup with MAXPIECESIZE configured for the channel

    C

    parallel backup with MAXPIECESIZE configured for the channel

    D

    intrafile parallel backup


    正确答案: C
    解析: 暂无解析

  • 第8题:

    多选题
    You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?()
    A

    BFILE

    B

    REF column

    C

    Object table

    D

    Column object

    E

    INSTEAD-OF trigger


    正确答案: E,A
    解析: 暂无解析

  • 第9题:

    单选题
    You are managing an Oracle Database 10g database that uses Oracle Managed Files (OMF). You enabled the block change tracking feature for the database. Which statement regarding the change tracking file is true?()
    A

     One block change tracking file is created for each data file. By default, the file is created in DB_CREATE_FILE_DEST.

    B

     One block change tracking file is created for each data file. By default, the file is created in BACKGROUND_DUMP_DEST.

    C

     One block change tracking file is created for the database. By default, the file is created in DB_CREATE_FILE_DEST.

    D

     One block change tracking file is created for the database. By default, the file is created in BACKGROUND_DUMP_DEST.


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    You want to estimate the size of a table by using the Oracle Enterprise Manager.  On which data is the size of the table NOT based?()
    A

     column sizes

    B

     column data types

    C

     PCTFREE

    D

     projected number of row

    E

     PCTUSED


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables.  While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?()
    A

    use the external table population

    B

    use the Oracle Data Pump export and import utility

    C

    use the conventional path data load of SQL*Loader utility

    D

    use the direct path data load of Oracle export and import utility


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    In which situation would you use the Oracle Shared Server configuration?()
    A

    when performing export and import using Oracle Data Pump

    B

    when performing backup and recovery operations using Oracle Recovery Manager

    C

    when performing batch processing and bulk loading operation in a data warehouse environment 

    D

    in an online transaction processing (OLTP) system where large number of client sessions are idle most of the time


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Which three statements are true about Oracle Data Pump export and import operations?()

    • A、You can detach from a data pump export job and reattach later.
    • B、Data pump uses parallel execution server processes to implement parallel import.
    • C、Data pump import requires the import file to be in a directory owned by the oracle owner.
    • D、The master table is the last object to be exported by the data pump.
    • E、You can detach from a data pump import job and reattach later.

    正确答案:A,B,D

  • 第14题:

    You are using Oracle Enterprise Manager to estimate the size of a table to be created. You have typed data regarding the column names, data types, sizes of the columns, and the projected number of rows in the table. Which additional information does the Oracle Enterprise Manager return?()

    • A、 space allocated in the tablespace
    • B、 space required for the bitmap index on a column of the table
    • C、 space remaining in the tablespace after creating the table
    • D、 estimated value of the PCTFREE storage parameter

    正确答案:A

  • 第15题:

    Which two statements are true regarding the Oracle Data Pump export and import operations()

    • A、You cannot export data from a remote database.
    • B、You can rename tables during an import operation.
    • C、You can overwrite existing dump files during an export operation.
    • D、You can compress the data during export but not the metadata because it is not supported.

    正确答案:B,C

  • 第16题:

    单选题
    You are about to create your Oracle data dictionary for use with the database. Which of the following users would you connect to the database as for this purpose in Oracle9i and later releases?()
    A

    SYSTEM 

    B

    OUTLN 

    C

    INTERNAL 

    D

    SYS


    正确答案: A
    解析: 暂无解析

  • 第17题:

    单选题
    You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group ,you issued the following ASMCMD command:   ASMCMD> lsdsk -I -d DATA   Which statement is true regarding the outcome of this command?()
    A

     The command succeeds but it retrieves only the disk names.

    B

     The command produces an error because the ASM instance is down.

    C

     The command succeeds but it shows only the status of the ASM instance.

    D

     The command succeeds and retrieves information by scanning the disk headers based on an  ASM_DISKSTRING  value.


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance, you plan to move the data from the flat files toclustered tablesin an Oracle database.  While migrating the data, you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database()
    A

    Use the external table population.

    B

    Use the Oracle Data Pump export and import utility.

    C

    Use the conventional path data load of the SQL*Loader utility.

    D

    Use the INSERT INTO...SELECT command to load the data.


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    You are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big file tablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each.  Which method would accomplish the task quickly and efficiently?()
    A

     parallel image copy backup

    B

     backup with MAXPIECESIZE configured for the channel

    C

     parallel backup with MAXPIECESIZE configured for the channe

    D

     intrafile parallel backup


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    You are managing the APPPROD database as a DBA which is not using the Oracle-managed files. You plan to duplicate this database in the same system with the name DUPDB.You want to create the same directory structure for duplicate database files as of the target database. You executed the following RMAN commands:   RMAN> CONNECT TARGET sys/sys@APPPROD RMAN> CONNECT AUXILIARY sys/sys@DUPDB RMAN> DUPLICATE TARGET DATABASE TO dupdb  FROM ACTIVE DATABASE PASSWORD FILE SPILE  NOFILENAMECHECK;   What are the implications of this command?()
    A

     It creates database files for the duplicate database under the Oracle base with a different directory for the duplicate database.

    B

     It overwrites data files of the target database because a different location for data files is not mentioned for the duplicate database.

    C

     It creates database files for the duplicate database under the same Oracle home as that of the target database with the same directory structure.

    D

     It creates database files for the duplicate database under the same Oracle home as that of the target but with a different directory for the duplicate database.


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    You are managing the Oracle database. Which of the following choices correctly identifies when Oracle reads the contents of the init.ora file?()
    A

    When the instance is started 

    B

    When the database is mounted 

    C

    When the database is opened 

    D

    When the database is closed


    正确答案: D
    解析: 暂无解析

  • 第22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: B
    解析: 暂无解析

  • 第23题:

    单选题
    ou are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big file tablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each. Which method would accomplish the task quickly and efficiently?()
    A

    parallel image copy backup 

    B

    backup with MAXPIECESIZE configured for the channel 

    C

    parallel backup with MAXPIECESIZE configured for the channel 

    D

    intrafile parallel backup


    正确答案: A
    解析: 暂无解析

  • 第24题:

    单选题
    You are managing an Oracle Database 11g instance with ASM storage. The ASM instance is down. To know the details of the disks in the DATA disk group , you issued the following ASMCMD command: ASMCMD> lsdsk -I -d DATA Which statement is true regarding the outcome of this command?()
    A

    The command succeeds but it retrieves only the disk names.

    B

    The command produces an error because the ASM instance is down.

    C

    The command succeeds but it shows only the status of the ASM instance.

    D

    The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value.


    正确答案: A
    解析: 暂无解析