You are the Office 365 administrator for your company.
You must use Windows PowerShell to manage cloud identities in Office 365. You must use a
computer that runs Windows 8 to perform the management tasks.
You need to ensure that the Windows 8 computer has the necessary software installed.
What should you install first?

A.
Microsoft Office 365 Best Practices Analyzer for Windows PowerShell

B.
Windows PowerShell 4.0

C.
Remote Server Administration Tools for Windows

D.
Microsoft Online Services Sign-in Assistant

Explanation:
http://technet.microsoft.com/en-us/magazine/hh750396.aspx