An other beta exam from Microsoft has been announced for testing period recently.
Microsoft 071-503 : TS: Microsoft .NET Framework 3.5 - Windows Communication Foundation is the beta version of certification exam 70-503
Beta of 70-503 certification exam will be available till 14th of Devember, 2007
70-503 Windows Communication Foundation certification exam is expected to be realeased by the end of February 2008.
Passing the beta exam 71-503 as its original version 70-503 will grant Microsoft Certified Technology Specialist (MCTS): Windows Communication Foundation certification to whom manages to be successfull in the exam.
You may expect the 71-503 to be a long exam as it is usual for every beta certification exam.
If you are working with .NET Framework 3.5 and Microsoft Visual Studio 2008 (which is still in Beta 2 version but the RTM version will be released by the end of November), and if you are working on distributed applications then you are supposed to have hand-on experience the 71-503 exam requires.
You can find more information on the exam and skills measured in the 71-503 at
Preparation Guide for Exam 70-503
You can register the beta certification exam 71-503 on the Prometric site with promotion code 503B1
Here you can find the team who has formed the Windows Communication Foundation (WFC) exam in the
Alfred Myers blog