Which two tasks must be performed before launching the Oracle universal installer to install Oracle Database
Software for RAC? (Choose two.)
A.
SSH user equivalence for the Oracle software owner must be configured on all cluster nodes.
B.
Grid Infrastructure must be installed on all cluster nodes where the Database software will be installed.
C.
SSH user equivalence for the Oracle software owner must be configured on all cluster nodes where the
Database Software will be installed.
D.
Grid infrastructure must be installed on all cluster nodes.
E.
The Clusterware stack must be up on all cluster nodes where the Database software will be installed.
F.
The Clusterware stack must be up on all cluster nodes.
A,D
A) May not be correct as the OUI can set up the SSH (even by re using keys)
The option D and E are more suitable .
“Automatic Passwordless SSH configuration using OUI creates RSA encryption keys on all nodes of the cluster. If you have system restrictions that require you to set up SSH manually, such as using DSA keys, then use this procedure as a guide to set up passwordless SSH.”
https://docs.oracle.com/database/121/CWLIN/manpreins.htm#CWLIN407
So A&D looks good for me