Microsoft Exam Questions

How can this be ensured?

DRAG DROP
There is MS Visual Studio 2010 and MS .NET Framework 4 application PassGuideApp.
PassGuideApp uses the ADO.NET Entity Framework.
POCO is used for entity modeling.
There is a POCO class.
The POCO class is to be used by change-tracking proxies and by an ObjectContext.
How can this be ensured?

Answer:

Explanation: