单选题You executed the following command in Recovery Manager (RMAN): RMAN RESTORE CONTROLFILE; Which operation must you perform before this command is executed?()A back up the control file to traceB bring database to the MOUNT stateC open a connection to the

题目
单选题
You executed the following command in Recovery Manager (RMAN): RMAN> RESTORE CONTROLFILE; Which operation must you perform before this command is executed?()
A

back up the control file to trace

B

bring database to the MOUNT state

C

open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target database

D

set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

参考答案和解析
正确答案: C
解析: 暂无解析
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相似问题和答案

第1题:

You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation? ()(Choose two)

A. You must configure block change tracking file

B. You must have first level 1 backups for RMAN to restore blocks

C. You must ensure that the SALES database is mounted or open

D. You must have full or level 0 backups for RMAN to restore blocks

E. You must take the tools01.dbf data file offline before you start a block media recovery


参考答案:C, D

第2题:

You executed the following command to back up the control file: ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What do you find in the trace file?()

  • A、Image of the control file
  • B、Location of the control file
  • C、Contents of the control file in text format
  • D、SQL command to re-create the database
  • E、SQL command to re-create the control file
  • F、Contents of the control file in binary format

正确答案:E

第3题:

You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation?()

A. You must configure block change tracking file

B. You must have first level 1 backups for RMAN to restore blocks

C. You must ensure that the SALES database is mounted or open

D. You must have full or level 0 backups for RMAN to restore blocks

E. You must take the tools01.dbf data file offline before you start a block media recovery


参考答案:C, D

第4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5题:

You executed the following command in Recovery Manager (RMAN):  RMAN> RESTORE CONTROLFILE;  Which operation must you perform before this command is executed?() 

  • A、back up the control file to trace
  • B、bring database to the MOUNT state
  • C、open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target database
  • D、set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

正确答案:C

第6题:

In Recovery Manager (RMAN), you have set control file autobackup to ON by using the following command:  CONFIGURE CONTROLFILE AUTOBACKUP ON;  Which two events would cause the control file to be backed up automatically? ()

  • A、a tablespace is taken offline
  • B、the database instance is restarted
  • C、a new data file is added to an existing tablespace
  • D、a successful backup is recorded in the RMAN repository
  • E、the RMAN connection is disconnected from the target database

正确答案:C,D

第7题:

In Recovery Manager (RMAN), you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged, you want to place the d ata file in a different location while restoring the file. Which option must you consider for this task?()

  • A、using only the RMAN SWITCH command to set the new location for the data file
  • B、placing the database in the MOUNT state for the restore and recovery operations.
  • C、using an RMAN RUN block with the SET NEWNAME and then the SWITCH command.
  • D、configuring two channels: one for the restore operation and the other for the recovery operation

正确答案:C

第8题:

View the Exhibit to examine the error during the database startup.You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:RMAN> REPAIR FAILURE;Which statement describes the consequence of the command?()

A. The command performs the recovery and closes the failures.

B. The command only displays the advice and the RMAN script required for repair.

C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command.

D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).


参考答案:C

第9题:

You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN). Which two are the prerequisites to perform this operation? ()(Choose two)

  • A、You must configure block change tracking file
  • B、You must have first level 1 backups for RMAN to restore blocks
  • C、You must ensure that the SALES database is mounted or open
  • D、You must have full or level 0 backups for RMAN to restore blocks
  • E、You must take the tools01.dbf data file offline before you start a block media recovery

正确答案:C,D

第10题:

You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP;   How does RMAN find the control file autobackup?()

  • A、 By using the trace file.
  • B、 By using the alert log file.
  • C、 By using the database ID
  • D、 By using the server parameter file.
  • E、 By using the V$CONTROLFILE view.
  • F、 By using the autobackup format configuration setting.

正确答案:C,F

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