As a DBA, you need to perform control file backup of INFY database. Which of the following commands will be used to take backup of the control file?

(i) $ export ORACLE_SID=INFY

    $ rman target /

    RMAN > BACKUP CURRENT CONTROLFILE;

(ii) $ export ORACLE_SID=INFY

     $ rman target /

     RMAN > BACKUP AS COPY CURRENT CONTROLFILE;

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