Which two statements are true about roles in multitenant container databases (CDBs)?
A.
Local roles can be granted to local and common users.
B.
A common role can be granted only to a common user.
C.
A common user can create a local role by default in any pluggable database (PDB) that is plugged in to a CDB.
D.
A common role can be granted only system privileges.
E.
The root container can have both local and common roles.
F.
A local role can be assigned to a common role in a PDB.
Explanation:
Reference https://oracle-base.com/articles/12c/multitenant-manage-users-and-privileges-for-cdb-and-pdb-12cr1