Which three actions should you perform?

A company deploys an Office 365 tenant.
You need to configure single sign-on (SSO) for all user accounts.
Which three actions should you perform? Each correct answer presents part of the solution.

A.
Run the Windows PowerShell cmdlet Convert-MsolDomainToStandard.

B.
Run the Windows PowerShell cmdlet Enable-ADFSEndpoint

C.
Run the Windows PowerShell cmdlet Convert-MsolDomainToFederated.

D.
Deploy a federation server proxy.

E.
Run the Windows PowerShell cmdlet New-ADFSOrganization.

F.
Deploy a federation server farm.

Explanation:
There is an allmost identical question “Which two actions should you perform?” instead of one above.
http://technet.microsoft.com/en-us/library/dn194092.aspx