Which prerequisites must be fulfilled before adding hosts to an SAP HANA scale-out system? Note: There are 2 correct answers to this question.

Which prerequisites must be fulfilled before adding hosts to an SAP HANA scale-out system? Note: There are 2 correct answers to this question.
A . The SAP HANA system installation is on a shared file system
B. The additional host is placed in a different data center
C. The SAP HANA database server IS shut down.
D. The host has access to the Installation directories

Answer: A,D