Your network includes a legacy application named LegacyApp1. The application only runs in the
Microsoft .NET 3.5 Framework on Windows Server 2008. You plan to deploy to Azure Cloud
Services. You need to ensure that LegacyApp1 will run correctly in the new environment. What are
two possible ways to achieve this goal? Each correct answer presents a complete solution.

A.
Upload a VHD with Windows Server 2008 installed.

B.
Deploy LegacyApp1 to a cloud service instance configured with Guest OS Family 2.

C.
Deploy LegacyApp1 to a cloud service instance configured with Guest OS Family 1.

D.
Deploy LegacyApp1 to a cloud service instance configured with Guest OS Family 3.

Explanation:
Guest OS Family 1 and Guest OS Family 2 supports .NET 3.5 and .Net 4.0. Guest OS Family 3

and Guest OS Family 4 supports .NET 4.0 and .Net 4.5.
http://msdn.microsoft.com/en-us/library/azure/ee924680.aspx