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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 

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出自：Oracle认证

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