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Microsoft 70-503 Exam Syllabus Topics:

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to insert an additional header in a response message.
What should you do?

A) Implement the BeforeSendRequest method of the IClientMessagelnspector interface.
B) Implement the BeforeSendReply method of the IDispatchMessagelnspector interface.
C) Implement the AfterReceiveRequest method of the IDispatchMessagelnspector interface.
D) Implement the AfterCall method of the IParameterlnspector interface.

2. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You add the following code segment to the service.

You add the following code segment to the client application.
01 Public Function PerformCalculations(ByVal numberl As Double, _ ByVal number2 As Double) As Double
03 End Function
You need to ensure that the DisposeCalculator operation is always called.
Which code segment should you insert at line 02?

A) Option B
B) Option D
C) Option C
D) Option A

3. You create a client application by using Microsoft .NET Framework 3.5. The client application uses a Windows Communication Foundation (WCF) service. You plan to implement inspection handling on the client application and the WCF service. You need to add error handling to the WCF service. What should you do?

A) Modify the BeforeSendRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
B) Modify the AfterReceiveRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
C) Modify the AfterReceiveReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
D) Modify the BeforeSendReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.

4. You want to upgrade a ASMX webservice to WCF, but you want to support legacy client applications.
<some code here>
What code do you use to transfer binary data from the server to the client?

A) BindingElement encoding = new BindingElement()
B) BindingElement encoding = new TextMessageEncodingBindingElement (Soap12WSAddressingAugust2004..)
C) BindingElement encoding = new TextMessageEncodingBindingElement(MessageVersion.Soap11.....)
D) BindingElement encoding = new MtomMessageEncodingBindingElement(.....)

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.

You need to ensure that the service instance is recycled when the transaction is complete. Which line of code should you insert at line 06?

A) Option B
B) Option D
C) Option C
D) Option A

Solutions: