You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to develop an application.
You use the ADO.NET Entity Framework Designer to model entities. You need to create a Plain Old
CLR Object (POCO) class that can be used with the ObjectContext.CreateObject method to create a
proxy. What should you do?
A.
Create a custom data class that has a Protected constructor that does not have parameters.
B.
Create a custom data class in which all properties and methods are Overridable.
C.
Create a custom data class that is Mustlnherit.
D.
Create a custom data class that is Notlnheritable.
Explanation:
Requirements for Creating POCO Proxies
(http://msdn.microsoft.com/en-us/library/dd468057.aspx)