.NET interview question crossword

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Across
  1. 4. DLL which can store images.
  2. 7. Web service+remoting+MSMQ+COM plus
  3. 9. make Objects to stream of bytes
  4. 11. Store DLL in a common place
  5. 12. most used architecture pattern with WPF and Silverlight
  6. 13. parent-child relationship
Down
  1. 1. Pointer to a function
  2. 2. Only one instance of a class
  3. 3. heart of .NET framework
  4. 5. hides complexity of classes
  5. 6. half defined classes
  6. 8. Value type to reference type
  7. 10. Encapsulation over delegates