Which steps are part of the initial downloads of business objects from ERP to CRM?

You have to configure the download of business objects from SAP ERP to SAP CRM.

Which steps are part of the initial downloads of business objects from ERP to CRM? There are 2 correct answers to this question.
A . Monitor download via the download monitor (Transaction R3AS).
B . Define clock size for Adaptor objects (Transaction R3AC1).
C . Assign subscription in the Administration Console (Transaction SMOEAC).
D . Activate the replication & Realignment Queue (Transaction SMOHQUEUE).

Answer: A,B