单选题ou are implementing control file multiplexing. Which of the following choices identifies the method you can use in order to generate the control file copies that Oracle will maintain?（）A Issue ALTER DATABASE BACKUP CONTROLFILE TO filenameB Make a copy 

第1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

第2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.

第3题：

You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）

• A、A text copy of the control file.
• B、A binary copy of the control file.
• C、A file containing a SQL statement which will re-create the database.
• D、A file containing a SQL statement which will re-create the control file.

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

第5题：

You issued the following statement：  SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What will be the result of issuing the statement？（）  

• A、 The control file will be multiplexed.
• B、 The control file will be recreated.
• C、The script containing the CREATE CONTROLFILE statement will be created.
• D、 The binary backup of the control file will be created.

第6题：

You configured the flash recovery area in the database. Which two files would you expect to find in the flash recovery area？（）

• A、 backup pieces
• B、 copies of all the parameter files
• C、 trace file generated using BACKUP CONTROLFILE TO TRACE
• D、 control file autobackups

第7题：

ou are implementing control file multiplexing. Which of the following choices identifies the method you can use in order to generate the control file copies that Oracle will maintain?（）

• A、Issue ALTER DATABASE BACKUP CONTROLFILE TO filename
• B、Make a copy of the control file with the database shut down
• C、Issue ALTER DATABASE BACKUP CONTROLFILE TO trace
• D、Make a copy of the control file with the database still running 

第8题：

You have discovered that one of three control files has been lost. What steps would you follow to recover that control file？（）   a. Shut down the database.  b. Restore a control-file copy from backup media.  c. Use the create control file command to create a new control file.  d. Copy the backup control file into place.  e. Create a new copy of the control file from one of the surviving control files.  f. Recover the database using the recover database using backup control file command.  g. Start up the database. 

• A、a， b， f， g
• B、c， f， g
• C、a， d， f， g
• D、a， f， g
• E、a， e， g

第9题：

You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）

• A、 online redo log files
• B、 alert log files
• C、 control file
• D、 datafiles associated with the SYSTEM tablespace

第10题：

You observe that the senior database administrator always uses the following command when connecting to Recovery Manager （RMAN）， and then starts executing commands to backup the database files：  $ rman target /  What would be the effect of this command？（）

• A、RMAN would use the current operating system location to place the backup.
• B、RMAN would use the control file of the target database to maintain the backup.
• C、RMAN would use the recovery catalog of the target database to maintain the backup.
• D、RMAN would use the control file of the target database to maintain the backup metadata. 
• E、RMAN would use the recovery catalog of the target database to maintain the backup metadata.