What task must be performed before installing the Grid Infrastructure?

You are preparing two Oracle Linux nodes, node1 and node2, for the installation of Oracle Grid
Infrastructure, you plan to use the existing Linux users “grid” as Grid Infrastructure software.
What task must be performed before installing the Grid Infrastructure?

A.
Change the user “grid” initial login group to “dba”.

B.
No task must be performed.

C.
Change the user ID of the grid user in node1, node2, or both nodes to guarantee that the user IDs
are equal.

D.
Add “users” to supplementary groups of “grid” in node1. Or, alternatively remove “users” from
supplementary groups of node2 “grid.”

E.
Use another Linux user as “grid” might be used for other purposes.