Study tips 70-516

How can ensure this?

Which code should be used?

Which code should be used?

There is MS Visual Studio 2010 and MS .NET Framework 4 application PassGuideApp

Which code should be used?

What should be done?

Which code do you need to add?

Which code can you use?

Which code do you need to add a collection EmployeeRelatives, with deferred loading, to Employee class?

What should be done?