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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 CONTROLFILE command. g. Start up the database.