Which steps are relevant?

In a newly installed ABAP-based SAP system, you want to support HTTPS communication between Web browsers and the ICM process(es) .

Which steps are relevant? There are 2 correct answers to this question.
A . Maintain system profile parameters for metadata exchange.
B . Maintain the system PS
D . Maintain the SSL server standard PS
F . Maintain system profile parameters for SS

Answer: C,D