Microsoft 70-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

  • Exam Code: 70-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • Updated: Sep 17, 2026
  • Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
Security in WCF Services- Authentication and authorization
  • 1. Message and transport security
    • 2. Windows authentication
      - Secure communication
      • 1. Protection levels and security modes
        • 2. Certificates and encryption
          WCF Bindings and Messaging- Bindings
          • 1. Custom bindings
            • 2. BasicHttpBinding, WSHttpBinding, NetTcpBinding
              - Message patterns
              • 1. One-way and duplex communication
                • 2. Request-reply
                  Client Configuration and Consumption- Service consumption
                  • 1. Generating proxies
                    • 2. Adding service references
                      - Client configuration
                      • 1. Handling faults and exceptions
                        • 2. Endpoint configuration
                          Designing and Developing WCF Services- Service contracts and data contracts
                          • 1. Design data contracts using DataContract and DataMember
                            • 2. Define service contracts using ServiceContract and OperationContract
                              - Service implementation
                              • 1. Implement service classes
                                • 2. Handle concurrency and instancing modes
                                  Configuring and Hosting WCF Services- Service configuration
                                  • 1. Endpoints, bindings, and behaviors
                                    • 2. Configuration via app.config/web.config
                                      - Hosting environments
                                      • 1. IIS hosting
                                        • 2. Windows Activation Service (WAS)
                                          • 3. Self-hosting services

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

                                            Question #1

                                            You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You configure a binding to enable streaming.
                                            You need to ensure that the client application is able to stream large XML files to the WCF service.
                                            Which operation contract should you create?

                                            • A. <OperationContractQ> _ Sub UploadFile(ByVal xmlData As ByteQ)
                                            • B. <OperationContractQ> _ Sub UploadFile(ByVal xmlData As XmlWriter)
                                            • C. <OperationContractQ> _ Sub UploadFile(ByVal xmlData As Stream)
                                            • D. <OperationContractQ> _ Sub UploadFile(ByVal xmlData As StreamWriter)
                                            Reveal Solution  Discussion  0

                                            Correct Answer: C  πŸ—³οΈ

                                            Question #2

                                            You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
                                            You write the following code segment to implement an operation contract. (Line numbers are included for reference only.)

                                            Only the contents of the File.xml file are sent to the client application.
                                            You need to ensure that the SOAP envelope generation is always disabled for messages that are sent to the client application.
                                            Which line of code should you insert at line 05?

                                            • A. ver=MessageVersion.None;
                                            • B. ver=MessageVersion.Default;
                                            • C. ver=MessageVersion.SoapHWSAddressing10;
                                            • D. ver=OperationContext.Current.IncomingMessageVersion;
                                            Reveal Solution  Discussion  0

                                            Correct Answer: B  πŸ—³οΈ

                                            Question #3

                                            You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
                                            You need to host the service in a medium trust environment on a Web server.
                                            Which two bindings should you use? (Each correct answer presents a complete solution. Choose two.)

                                            • A. NetTcpBinding
                                            • B. WebHttpBinding
                                            • C. BasicHttpBinding
                                            • D. WSDualHttpBinding
                                            • E. NetMsmqBinding
                                            Reveal Solution  Discussion  0

                                            Correct Answer: B,C  πŸ—³οΈ

                                            Question #4

                                            You are replacing an ASMX Web service with a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
                                            The ASMX Web service has a number of existing clients, which you cannot recompile and redeploy. You need to maintain backward compatibility with the existing clients.
                                            Which code fragment should you use?

                                            • A. Option B
                                            • B. Option D
                                            • C. Option C
                                            • D. Option A
                                            • E. Option E
                                            Reveal Solution  Discussion  0

                                            Correct Answer: A  πŸ—³οΈ

                                            Question #5

                                            You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service has an operation contract named GetMessage.
                                            You write the following code segment to implement the service. (Line numbers are included for reference only.)

                                            You need to send the contents of the File.xml file to a client application by using the SOAP body.
                                            Which code segment should you insert at line 07?

                                            • A. Option B
                                            • B. Option D
                                            • C. Option C
                                            • D. Option A
                                            Reveal Solution  Discussion  0

                                            Correct Answer: A  πŸ—³οΈ

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