Which option represents the steps to add a multiplexed copy of the current control file or to rename a control file in Oracle Database 12c?
a - Shut down the database.
b - Restart the database.
c - Copy an existing control file to a new location by using operating system commands.
d - Edit the CONTROL_FILESparameter in the database initialization parameter file to add the new control file name, or to change the existingcontrol file name.