Contoso uses Office 365 for collaboration services. You implement single sign-on (SSO) with Office 365 by using Active Directory Federation Services (AD FS).
You need to implement Windows Azure multi-factor authentication.
Which three actions should you perform? Each correct answer presents part of the solution.

A.
On the AD FS federation server, run PhoneFactorAgentSetup.exe.

B.
On the AD FS Federation server, run WindowsAzureSDK-x64.exe.

C.
On the AD FS Federation server, run the Windows PowerShell cmdlet Register- AdfsAuthenticationProvider.

D.
On the AD FS Federation server, run FsConfigWizard.exe.

E.
Run the Active Directory Domains and Trusts MMC snap-in. Register Windows Azure Multi- Factor Authentication Server as an additional authentication
provider.

F.
Run the Windows Azure Multi-Factor Authentication Server Authentication Configuration Wizard.

Explanation:

http://blogs.technet.com/b/cbernier/archive/2013/12/02/multi-factor-authentication-the-simple-way.aspx