Which sequence should you run the commands?

You have an Exchange Server 2013 organization.
You create a script named New-CustomMailbox.ps1 to create mailboxes based on your company’s requirements.
You create a role group named Mailbox Provisioning.
You need to ensure that the members of Mailbox Provisioning can create new mailboxes only by using New-CustomMailbox.ps1.
In which sequence should you run the commands? (To answer, move all of the commands from the list of commands to the answer area and arrange them in the correct order.)
Select and Place:

Correct Answer:

Explanation/Reference:
http://technet.microsoft.com/en-gb/library/dd876886(v=exchg.150).aspx
http://technet.microsoft.com/en-gb/library/dd298116(v=exchg.150).aspx#UnScoped
The Organization Management role group doesn’t, by default, have permissions to create or manage unscoped role groups. This is to prevent unscoped role groups from mistakenly being created or modified. The Organization Management role group can delegate the Unscoped Role Management management role to itself and other role assignees. For more information about how to create an unscoped top-level management role.
STEP 1: Grant Organization Management group access to to create unscoped roles.
New-ManagementRoleAssignment "Unscoped Role Management-Organization Management" -Role
"Unscoped Role Management" -SecurityGroup "Organization Management"
STEP 2: Create the Management Role
New-ManagementRole "Helpdesk Provisioning Script" -UnScopedTopLevel
STEP 3: Add management role entry to empty unscoped role.
Add-ManagementRoleEntry "Helpdesk Provisioning ScriptNew-CustomMailbox.ps1" -Parameters Name -UnScopedTopLevel
STEP 4: Assign management role to user group
New-ManagementRoleAssignment "Helpdesk Provisioning Script-Helpdesk Provisioning" -Role
"Helpdesk Provisioning Script" -SecurityGroup "Helpdesk Provisioning"