which of the following Microsoft SQL Server database roles must the group login be added in Microsoft Dynamics AX 2012?

You are setting up the Active Directory group login for the Application Object Server (AOS) accounts
on the database server. To which of the following Microsoft SQL Server database roles must the
group login be added in Microsoft Dynamics AX 2012? (Choose all that apply.)

A.
db_accessadmin

B.
db_datareader

C.
db_datawriter

D.
db_ddladmin

E.
db_owner

F.
db_securityadmin