Here is a collection of .Net 3.0 Interview Questions and Answers. I hope you find the list useful. Also, if you see any question un-answered feel free to answer it for the benefit of everyone. You can also Ask A Question using the link in the Menu above. Keep learning, keep sharing, keep posting.

What is the Windows Presentation Foundation?

What is Windows Communication Foundation?

What is Windows Presentation Foundation?

What is Windows Workflow Foundation?

What is Windows CardSpace?

1. Are there advantages to building workflows using only XAML? Are there disadvantages?
2. What are the pros and cons of using an ExternalDataExchange service versus going directly to the WorkflowQueuingService?
3. When are attached dependency properties useful in WF programming?
4. What behavior does the default scheduling service provide?
5. How can my code participate in a database transaction with a workflow instance?
6. Why would I use a tracking service?
7. Describe a scenario where the WF runtime will cancel an executing activity.