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Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation : 070-503
- Exam Code: 070-503
- Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
- Updated: Oct 10, 2026
- Q & A: 270 Questions and Answers
About Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation : 070-503 Exam
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Microsoft 070-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Designing and Developing WCF Services | - Service implementation
|
| Configuring and Hosting WCF Services | - Hosting environments
|
| WCF Bindings and Messaging | - Message patterns
|
| Security in WCF Services | - Authentication and authorization
|
| Client Configuration and Consumption | - Service consumption
|
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
Question #1
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that the callback channel between the service and the client application is available for the service to send a status message.
Which code segment should you use?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Correct Answer: C 🗳️
Question #2
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.
The service will not use any external resources.
You need to ensure that the calls to the DoSomething operation are thread-safe.
What are the two possible service implementations that you can use to achieve this goal?
(Each correct answer presents a complete solution. Choose two.)
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Correct Answer: B,D 🗳️
Question #3
You have created a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The existing service interface is named IMyService, and contains the following code segment.
You create a new service named IMyServiceVI that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService.DoSomething method without modifying client code.
Which code segment should you use?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Correct Answer: D 🗳️
Question #4
You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The component will return custom business objects. You plan to develop a design strategy that meets the following requirements:
The component can be accessed by the .NET Windows applications and JavaScript-based Web applications. The component can be consumed by the client applications by using the minimum amount of code. The least amount of network bandwidth is consumed. You need to implement the design strategy by using the minimum amount of development effort. What should you do?
- A. Develop the component as a Web service. Return the business objects as strings that contain the values of the properties concatenated and separated by a comma.
- B. Develop the component as a Web service. Return the business objects as XML.
- C. Develop the component as a Windows Communication Foundation service. Return the business objects as serialized binary objects.
- D. Develop the component as a Windows Communication Foundation service. Return the business objects as JavaScript Object Notation objects.
Correct Answer: D 🗳️
Question #5
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 AfterReceiveReply 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 BeforeSendReply method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
- D. Modify the BeforeSendRequest method to catch the ReplyValidationFault exception. Replace the reply message with an explicit fault message.
Correct Answer: C 🗳️
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