By which contract are the WS-Addressing action and reply action elements of the soap envelope controllable when Windows Communication Foundation is used?

Which are true regarding the System.Collections.Generic.HashSet(Of T) class

Which statements do Expression Trees fit best?

Which one is true regarding the System.DateTimeOffset structure?

Which are true about System.GC under version 3.5 of the Framework?

To which contract is the SessionMode property to disallow, require, or permit applied when Windows Communication Foundation is used?

Which characteristics do classes in the System.Drawing namespace such as Brush,Font,Pen, and Icon share?

Which are not valid namespaces in the .NET framework?

Which one is not a standard service behavior supported by the System.ServiceProcess.ServiceController class members?

Custom non-fatal exceptions should be derived from:

Which code sample will cause a compilation error?