Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx-preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.) 

Answer options:

A. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met
B. creating the oracle OS user
C. creating the OSDBA (dba) group
D. creating the oraInventory (oinstall) group
E. creating the grid OS user
F. configuring the OS for Oracle Automatic Storage Management shared storage access

CDF

Reference: https://docs.oracle.com/cd/E11882_01/install.112/e41961/prelinux.htm#CWLIN2932