单选题The database is being restored from a closed backup. The data files， control files， password file， and parameter file are available， but the online redo logs are not. Because the online redo logs are not available， you must simulate recovery and alter 

题目
单选题
The database is being restored from a closed backup. The data files， control files， password file， and parameter file are available， but the online redo logs are not. Because the online redo logs are not available， you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation？（）
A

until SCN

B

until time

C

until cancel

D

using backup control file

相似考题

1.Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN)while duplicating a running database?()A. Creating the control file for the duplicate databaseB. Restoring the target data files to the duplicate databaseC. Performing complete recovery using all available backupsD. Generating a new, unique DBID for the duplicate databaseE. Copying the online redo log files from the target database to the duplicate database

2. You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands： STARTUP MOUNT； BACKUP  FORMAT ’/BACKUP/df_%d_%s_%p.bus’  DATABASE filesperset = 2；  Which components are included in the backup？（）A、Only the data files.B、Only the data files and the online logs.C、The data files， control files， and the online logs.D、The data files and control files， but not the online logs.

3. You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement：       SQL>ALTER DATABASE OPEN RESETLOGS；   Which of the following options is true about using the RESETLOGS option？（）A、 The log sequence is reset to 0.B、 All the online redo logs are deleted.C、 All the archived redo logs from a previous incarnation become useless.D、 The full database backup taken from a previous incarnation can be used in future.E、 Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.

4. Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup.  What would you do to recover the data file（）A、Take the USERS tablespace offline and re-create the lost data file.B、Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.C、Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.D、Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online

更多“单选题The database is being restored from a closed backup. The data files， control files， password file， and parameter file are available， but the online redo logs are not. Because the online redo logs are not available， you must simulate recovery and alter ”相关问题

  • 第1题：

    Which files will you need to perform a full recovery of a database backed up in NOARCHIVELOG mode？（） 

    • A、 Database datafiles
    • B、 Control files
    • C、 Archived redo logs
    • D、 Online redo logs
    • E、 Flashback logs

    正确答案:A,B,D

  • 第2题：

    Which two file types must be included in a closed database backup taken with operating system commands？（）

    • A、data files
    • B、control file
    • C、password file
    • D、online redo log files
    • E、initialization parameter file

    正确答案:A,B

  • 第3题：

    After performing a clean shut down of the database instance for maintenance， you mount thedatabase and then execute a command to open the database： SQL> ALTER DATABASE OPEN；  Which two statements are true（）

    • A、The online redo log files and online data files are opened.
    • B、All the online data file headers are checked for consistency.
    • C、Instance recovery is performed before opening the database.
    • D、The path and existence of all the log file members are checked

    正确答案:A,B

  • 第4题：

    Your database is running in ARCHIVELOG mode, and the database is open. You execute an RMAN backupand specify the KEEP clause.Which components are backed up when this option is specified?（）

    • A、only the control file, the current SPFILE, and data files
    • B、only the current SPFILE and data files if autobackup is disabled
    • C、only the data files and the archived redo logs
    • D、the control file, current SPFILE file, data files, and archived redo logs

    正确答案:D

  • 第5题：

    our database is in the MOUNT state and you execute the following command to open it：  ALTER DATABASE OPEN  What two actions are performed as a result of this command？（）

    • A、All control files are opened.
    • B、All redo log files are opened
    • C、The password file is opened.
    • D、The parameter file is opened.
    • E、All online data files are opened.

    正确答案:B,E

  • 第6题：

    The database is being restored from a closed backup. The data files， control files， password file， and parameter file are available， but the online redo logs are not. Because the online redo logs are not available， you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation？（）

    • A、until SCN
    • B、until time
    • C、until cancel
    • D、using backup control file

    正确答案:C

  • 第7题：

    Which two files in the database can be configured for automatic backups by using the autobackupfeature in Recovery Manager （RMAN）（）

    • A、data files
    • B、control files
    • C、parameter file
    • D、online redo log files
    • E、server parameter file

    正确答案:B,E

  • 第8题：

    Which two operations are NOT performed by the DUPLICATE command in Recovery Manager （RMAN） while duplicating a running database？（）

    • A、 Creating the control file for the duplicate database
    • B、 Restoring the target data files to the duplicate database
    • C、 Performing complete recovery using all available backups
    • D、 Generating a new， unique DBID for the duplicate database
    • E、 Copying the online redo log files from the target database to the duplicate database

    正确答案:C,E

  • 第9题：

    多选题
    our database is in the MOUNT state and you execute the following command to open it：  ALTER DATABASE OPEN  What two actions are performed as a result of this command？（）
    A

    All control files are opened.

    B

    All redo log files are opened

    C

    The password file is opened.

    D

    The parameter file is opened.

    E

    All online data files are opened.


    正确答案： D,E
    解析： 暂无解析

  • 第10题：

    单选题
    Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup.  What would you do to recover the data file（）
    A

    Take the USERS tablespace offline and re-create the lost data file.

    B

    Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.

    C

    Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.

    D

    Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Your database is running in ARCHIVELOG mode, and the database is open. You execute an RMAN backupand specify the KEEP clause.Which components are backed up when this option is specified?（）
    A

    only the control file, the current SPFILE, and data files

    B

    only the current SPFILE and data files if autobackup is disabled

    C

    only the data files and the archived redo logs

    D

    the control file, current SPFILE file, data files, and archived redo logs


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Your database is running in ARCHIVELOG mode， and the database is open. You execute an RMAN backup and specify the KEEP clause.  Which components are backed up when this option is specified？（）
    A

     only the control file， the current SPFILE， and data files

    B

     only the current SPFILE and data files if autobackup is disabled

    C

     only the data files and the archived redo logs

    D

     the control file，current SPFILE file，data files，and archived redo logs


    正确答案： D
    解析： 暂无解析

  • 第13题：

    After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL> ALTER DATABASE OPEN； Which two statements are true（）

    • A、The online redo log files and online data files are opened.
    • B、All the online data file headers are checked for consistency.
    • C、Instance recovery is performed before opening the database.
    • D、The path and existence of all the log file members are checked

    正确答案:A,B

  • 第14题：

    You work as a database administrator for Certkiller .com. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN； What two actions are performed as a result of this command？（）

    • A、All control files are opened
    • B、All redo files are opened
    • C、The password file is opened
    • D、The parameter file is opened
    • E、All online data files are opened

    正确答案:B,E

  • 第15题：

    You have configured the flash recovery area to store online redo log files， control files， archived redo logs and RMAN backups. Which of the following files can you successfully delete from the flash recovery area if you want to reclaim the space within it？（）

    • A、 multiplexed control files
    • B、 RMAN obsolete backups
    • C、 multiplexed online redo log files
    • D、 archived redo logs that have not been copied to tape

    正确答案:B

  • 第16题：

    Which files are required for a full recovery of the database in ARCHIVELOG mode？（）

    • A、 Database datafiles
    • B、 Online redo logs
    • C、 Archived redo logs
    • D、 Backup control file
    • E、 Control file from a backup

    正确答案:A,C,D

  • 第17题：

    You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）

    • A、Database Datafiles 
    • B、Database Control Files 
    • C、Online redo logs
    • D、Archived redo logs 
    • E、The database SPFILE 
    • F、None of the above, all these files are backed up. 

    正确答案:C

  • 第18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19题：

    Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN) whileduplicating a running database? （）(Choose Two)

    • A、Creating the control file for the duplicate database
    • B、Restoring the target data files to the duplicate database
    • C、Performing complete recovery using all available backups
    • D、Generating a new, unique DBID for the duplicate database
    • E、Copying the online redo log files from the target database to the duplicate database

    正确答案:C,E

  • 第20题：

    单选题
    You have configured the flash recovery area to store online redo log files， control files， archived redo logs and RMAN backups. Which of the following files can you successfully delete from the flash recovery area if you want to reclaim the space within it？（）
    A

     multiplexed control files

    B

     RMAN obsolete backups

    C

     multiplexed online redo log files

    D

     archived redo logs that have not been copied to tape


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands： STARTUP MOUNT； BACKUP  FORMAT ’/BACKUP/df_%d_%s_%p.bus’  DATABASE filesperset = 2；  Which components are included in the backup？（）
    A

    Only the data files.

    B

    Only the data files and the online logs.

    C

    The data files， control files， and the online logs.

    D

    The data files and control files， but not the online logs.


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement：       SQL>ALTER DATABASE OPEN RESETLOGS；   Which of the following options is true about using the RESETLOGS option？（）
    A

     The log sequence is reset to 0.

    B

     All the online redo logs are deleted.

    C

     All the archived redo logs from a previous incarnation become useless.

    D

     The full database backup taken from a previous incarnation can be used in future.

    E

     Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    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： A
    解析： 暂无解析

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