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Which two are true about the use of DBFS in a Database Machine environment?

A.
DBFS must be used to bulk load data into a database on the Database Machine if the staging
area requires Exadata based shared storage.

B.
DBFS must be used to have a POSIX compliant shared storage solution that is accessible from
the database servers on a Database Machine.

C.
DBFS must be used to bulk load data into a production database on the Database Machine.

D.
DBFSmust use the DBFS_DG diskgroup for any DBFS store.

E.
DBFS must be used to have a POSIX-compliant Exadata-based shared storage solution.

Explanation:
Note:

*external tables on DBFS file-systems provide the probably the most high-performance way to
bulk load data into your database.

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