Which parameter file should you use to configure the Oracle notification server on your RAC nodes?
A.
$ORACLE_HOME/opmn/conf/ons.config
B.
$ORA_CRS_HOME/opmn/conf/ons.config
C.
$ORA_CRS_HOME/racg/usrco/ons.config
D.
$ORACLE_HOME/racg/usrco/ons.config