Which two statements are true about Oracle Imaging and Process Management 11g?

Which two statements are true about Oracle Imaging and Process Management 11g?

A.
11g release still supports MS IIS as a backward compatibility.

B.
11g release has been completely rewritten in Java.

C.
11g release leverages MS SharePoint services for metadata and document storage

D.
11g release leverages Oracle Content Server for metadata and document storage