为自己加油

Examine this configuration:

1-CDB1 is a container database.

2-COMMON_USER_PREFIX is C##.

3-PDB1 is a pluggable database contained in CDB1.

4-APP1_ROOT is an application container contained in CDB1.

5-APP1_PDB1 is an application PDB contained in APP1_ROOT.

You execute these commands successfully:

Which two are true? (Choose two.)

A.
APP1_USER1 can be created in PDB1.
B.
APP1_USER1 can be created in CDB1.
C.
APP1_USER1 can have different privileges in each Application PDB contained
In APP1_ROOT.
D.
C##_APP_USER1 can be created in CDB1.
E.P1_USER1 can be created in CDB1.
F.C##_USER1 will have the same privileges and roles granted in all PDBs in
CDB1.