Which three statements are true about Oracle Data Pump?

Which three statements are true about Oracle Data Pump? (Choose three)

A.
Oracle Data Pump export and import operations can be performed to move data across different database releases

B.
DBMS_DATAPUMP PL/SQL packages can be used independent of Data Pump clients

C.
A directory object must exist and a user performing an EXPDP or IMPDP operation must have read and write permission on that directory object

D.
Oracle Data Pump export and import operations can be performed only by users with the SYSDBA privilege.

E.
Oracle Data Pump export operations invoked from the clients that are connected remotely by using a connection string, create Data Pump files on the client file system

Explanation: