You need to ensure that members of a group named Relecloudadmins can create user accounts and mailboxes for new employees after the planned upgrade.
What should you do first?
A. Run the New-ManagementRole cmdlet.
B. Run the New-ManagementRoleAssignment cmdlet.
C. Run setup.exe and specify the /PrepareDomain parameter.
D. Run setup.exe and specify the /prepareAD parameter.