Which statement regarding Clusterware is false? (Choose the false statement.)
A.
Oracle Clusterware is installed using the Oracle Universal Installer (OUI).
B.
The ORA_CRS_HOME directory must not be the same as the ORACLE_HOME directory.
C.
The Oracle Database 10g Clusterware stack is compatible with Oracle 9i Group Services (GSD) processes.
D.
The installation of Oracle Clusterware is mandatory even if you have installed vendor-specific clusterware.