A company deploys an Office 365 tenant.
All employees in the human resources (HR) department must use multi-factor authentication. They must use only the Microsoft Outlook client to access their email
messages. User1 joins the HR department.
You need to help User1 configure his account.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the
correct order
Answer: 
Explanation:
http://msdn.microsoft.com/en-us/library/azure/dn383636.aspx#enablemfaoffice365
http://channel9.msdn.com/posts/Multi-Factor-Account-Setup