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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

题目

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
参考答案和解析
正确答案:D
更多“The datafiles of&ensp”相关问题
  • 第1题:

    What information does the report schema command not provide?() 

    • A、 Size of the datafiles
    • B、 Size of the tempfiles
    • C、 Date of last backup for datafiles and tempfiles
    • D、 Filenames for each datafile
    • E、 Checkpoint SCN associated with the last RMAN backup

    正确答案:C,E

  • 第2题:

    Which of the following are included in a transportable tablespace set?()  

    • A、 The datafiles that make up a self-contained group of tablespaces required for copy
    • B、 The system tablespace
    • C、 An export of the tablespace metadata
    • D、 The spfile
    • E、 All of the above

    正确答案:A,C

  • 第3题:

    Which view provides information on the backup status of the datafiles in the database?()  

    • A、 V$BACKUP
    • B、 V$BACKUP_STATUS
    • C、 V$BACKUP_DATAFILE
    • D、 V$DATAFILE_BACKUP
    • E、 V$TABLESPCE_BACKUP

    正确答案:A

  • 第4题:

    When issuing the duplicate database command, you use the parameter DB_FILE_NAME_CONVERT. For what purpose do you use this parameter?()  

    • A、 To indicate the location of the auxiliary-instance online redo logs.
    • B、 To indicate the location of the target database datafiles.
    • C、 To indicate the location of the auxiliary-instance control file and online redo logs.
    • D、 To indicate the location of the auxiliary-instance database datafiles.
    • E、 This is not a valid parameter when duplicating a database.

    正确答案:D

  • 第5题:

    Which of the following statements is true when the database is in ARCHIVELOG mode and tablespaces are in hot backup mode?()

    • A、 Archive log generation is suspended until the tablespaces are taken out of hot backup mode. 
    • B、 Datafiles are not written to during hot backups.
    • C、 Changes to the database are cached during the backup and not written to the datafiles to ensure that the datafiles are consistent when recovered.
    • D、 The datafile headers are not updated during the backup.
    • E、 The way data is written to the online redo logs is unchanged during the backup.

    正确答案:D

  • 第6题:

    单选题
    Which of the following statements is true when the database is in ARCHIVELOG mode and tablespaces are in hot backup mode?()
    A

     Archive log generation is suspended until the tablespaces are taken out of hot backup mode. 

    B

     Datafiles are not written to during hot backups.

    C

     Changes to the database are cached during the backup and not written to the datafiles to ensure that the datafiles are consistent when recovered.

    D

     The datafile headers are not updated during the backup.

    E

     The way data is written to the online redo logs is unchanged during the backup.


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    What is the result of this command?() RMAN> Report need backup days 3;
    A

     Lists all datafiles created in the last three days that are not backed up.

    B

     Lists all datafiles not recoverable based on the current retention criteria.

    C

     Lists all datafiles not backed up in the last three days. The datafile is not recoverable. 

    D

     Lists all datafiles that need to be backed up due to unrecoverable operations.

    E

     Lists all datafiles not backed up in the last three days. It does not imply that the datafile is not recoverable.


    正确答案: E
    解析: 暂无解析

  • 第8题:

    单选题
    When exporting metadata for the transportable tablespaces, what is the correct next step after confirming endian format?()
    A

     Export the tablespaces using data pump.

    B

     Determine if the transportable set is self-contained.

    C

     Convert the datafiles using RMAN.

    D

     Copy the datafiles from source to destination.


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    Which view provides information on the backup status of the datafiles in the database?()
    A

    V$BACKUP

    B

    V$BACKUP_STATUS 

    C

    V$BACKUP_DATAFILE 

    D

    V$DATAFILE_BACKUP 

    E

    V$TABLESPCE_BACKUP


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? ()
    A

    restore datafiles until time '09/28/2008:21:03:11'

    B

    restore database files until time '09/28/2008:18:00:00'

    C

    restore database until time '09/28/2008:18:00:00'

    D

    recover database until time '09/28/2008:18:00:00'

    E

    recover database until timestamp '09/28/2008:18:00:00'


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following is not an advantage of block media recovery (BMR)?()
    A

     Reduced MTTR.

    B

     Datafiles remain offline while corrupt blocks are repaired.

    C

     Datafiles remain online while corrupt blocks are repaired.

    D

     A and C


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    You took the DATA1 tablespace offline at 10:00 A.M. At 12:30 P.M., a schema of a user is dropped and purged from the Recycle Bin. You noticed this at 2:00 P.M. and decided to perform an incomplete recovery.  Which datafiles will you recover?()
    A

     all the datafiles in the database

    B

     the datafiles associated with the SYSTEM tablespace

    C

     the datafiles associated with the DATA1 tablespace

    D

     all the datafiles in the database except those associated with the DATA1 tablespace


    正确答案: A
    解析: 暂无解析

  • 第13题:

    You are maintaining the database in Oracle10g. You are performing an incomplete recovery by using RMAN because an important table, EMPLOYEE, is dropped and purged from the Recycle Bin. Which statement is NOT true regarding an incomplete recovery?()

    • A、 The target database must be in the MOUNT mode to ensure restoration of the datafiles.
    • B、 You can restore the datafiles from the backup by using the RMAN utility only if the backups were taken using the RMAN utility.
    • C、 The control file must be recreated.
    • D、 The database must be opened with the RESETLOGS option.

    正确答案:C

  • 第14题:

    Your database is in NOARCHIVELOG mode. You start to do a backup, but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you?()  

    • A、 Put the database in hot backup mode and perform an online backup,including backing up the  archived redo logs.
    • B、 Just back up the database datafiles without shutting down the database.
    • C、 You will have to wait until you can shut down the database to perform the backup.
    • D、 Mark each datafile as backup in progress, back them up individually,and then mark them as backup not in progress. No archived redo logs will need to be backed up.
    • E、 Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing,you can shut down the database and back up the datafiles the user changed during the  course of the remaining backup

    正确答案:C

  • 第15题:

    In what state are the datafiles of a tablespace after a TSPITR has been successfully completed?()  

    • A、 The datafiles have an ONLINE status.
    • B、 The datafiles have an OFFLINE status.
    • C、 The datafiles have an ONLINE status and are in hot backup mode prepared for an online backup.
    • D、 The datafiles have an OFFLINE status and are in hot backup mode for an online backup.
    • E、 The datafiles are in STANDBY mode.

    正确答案:A

  • 第16题:

    You took the DATA1 tablespace offline at 10:00 A.M. At 12:30 P.M., a schema of a user is dropped and purged from the Recycle Bin. You noticed this at 2:00 P.M. and decided to perform an incomplete recovery.  Which datafiles will you recover?()

    • A、 all the datafiles in the database
    • B、 the datafiles associated with the SYSTEM tablespace
    • C、 the datafiles associated with the DATA1 tablespace
    • D、 all the datafiles in the database except those associated with the DATA1 tablespace

    正确答案:D

  • 第17题:

    单选题
    Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement:   SQL> DROP TABLE SCOTT.EMP PURGE;   After one hour, you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup?()
    A

     the datafiles associated with the SYSTEM tablespace

    B

     the datafiles associated to the DATA1 tablespace

    C

     the datafiles associated to the SYSTEM and DATA1 tablespaces

    D

     all the datafiles in the database


    正确答案: D
    解析: 暂无解析

  • 第18题:

    单选题
    In what state are the datafiles of a tablespace after a TSPITR has been successfully completed?()
    A

     The datafiles have an ONLINE status.

    B

     The datafiles have an OFFLINE status.

    C

     The datafiles have an ONLINE status and are in hot backup mode prepared for an online backup.

    D

     The datafiles have an OFFLINE status and are in hot backup mode for an online backup.

    E

     The datafiles are in STANDBY mode.


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    下列动态视图中,()是从控制文件中得到的所有表空间的名称和数量。
    A

    V$INSTANCE

    B

    V$DATABASE

    C

    V$TABLESPACE

    D

    V$DATAFILES


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    Your database is configured in NOARCHIVELOG mode. Due to a media failure, you have lost one of the datafiles belonging to a read-only tablespace. You know that the last backup was performed after the tablespace was made read-only. Which action should you take to restore the missing datafile in the minimum amount of time?()
    A

     Restore all the datafiles from the backup.

    B

     Restore only the lost datafile from the backup.

    C

     Restore all the datafiles for the lost tablespace from the backup.

    D

     Restore all the datafiles for the lost tablespace and all the SYSTEM and SYSAUX datafiles from the backup.


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    Your ARCHIVELOG-mode database has lost three datafiles and shut down. One is assigned to the SYSTEM tablespace and two are assigned to the USERS tablespace. You can choose from the following steps to recover your database:   a. Restore the three database datafiles that were lost.  b. Issue the Startup Mount command to mount the database.  c. Issue the alter database open command.  d. Issue the alter database open resetlogs command.  e. Recover the database using the recover database command. f. Recover the datafiles with the recover datafile command.  g. Take the datafiles offline.  Which is the correct order of these steps in this case?()
    A

    a, b, e, c

    B

    b, e, d

    C

    a, b, d, c

    D

    b, g, c, f

    E

    a, b, d, f


    正确答案: E
    解析: 暂无解析

  • 第22题:

    单选题
    Which of the following best describes a full backup? ()
    A

    All datafiles of a database 

    B

    All datafiles, archive logs, and control files 

    C

    All datafiles and control files 

    D

    All the used blocks in a datafile


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Examine the statement: DROP TABLESPACE IND2  INCLUDING CONTENTS  AND DATAFILES;   What is the result of the statement?()
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    You have lost datafiles 1 and 3 from your database,and the database has crashed.  In what order should you perform the following steps to recover your database?() 1. Take the datafiles that were lost offline.  2. startup mount the database  3. Issue the alter database open command. 4. Restore the datafiles that were lost  5. Recover the datafiles with the recover datafile command. 6. Bring the datafiles back online.  7. Recover the database with the recover database command.
    A

     2,1,3,4,5,6

    B

     2,4,5,3

    C

     4,7,3

    D

     2,4,7,3

    E

     2,7,3


    正确答案: E
    解析: 暂无解析