The quiz is wrong about #4. The quiz thinks that Dispose() is never called, but in fact, the Close() method calls Dispose(). According to the documentation anyw

The quiz is wrong about #4. The quiz thinks that Dispose() is never called, but in fact, the Close() method calls Dispose(). According to the documentation anyway: http://msdn.microsoft.com/en-us/library/system.io.stream.close.aspx http://msdn.microsoft.com/en-us/library/system.io.stream.clo... The supposed answers are at: http://newtechusa.com/csharp-dotnet-quiz-answers.htm http://newtechusa.com/csharp-dotnet-quiz-answers.htm