Which three statements are true?

Exhibit: Which three statements are true?

A.
It creates a multitenant container database with the root database opened and the seed
database mounted.

B.
It creates a multitenant container database with a root and a seed pluggable database
(PDB) that are opened in read-write and read-only modes, respectively.

C.
The files created for both the root and seed databases use Oracle Managed Files (OMF).

D.
It creates a multitenant container database with the root and seed databases opened and
one PDB mounted.

E.
It sets the users tablespace as the default for both the root and seed databases.

F.
undotbs1 is used as the undo tablespace for both the root and seed databases.