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

70-503 real exams

Exam Code: 70-503

Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

Updated: Sep 10, 2026

Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
Topic 1: Designing and Developing WCF Services- Service contracts and data contracts
  • 1. Define service contracts using ServiceContract and OperationContract
    • 2. Design data contracts using DataContract and DataMember
      - Service implementation
      • 1. Implement service classes
        • 2. Handle concurrency and instancing modes
          Topic 2: Configuring and Hosting WCF Services- Service configuration
          • 1. Configuration via app.config/web.config
            • 2. Endpoints, bindings, and behaviors
              - Hosting environments
              • 1. Self-hosting services
                • 2. IIS hosting
                  • 3. Windows Activation Service (WAS)
                    Topic 3: Client Configuration and Consumption- Service consumption
                    • 1. Generating proxies
                      • 2. Adding service references
                        - Client configuration
                        • 1. Handling faults and exceptions
                          • 2. Endpoint configuration
                            Topic 4: Security in WCF Services- Secure communication
                            • 1. Protection levels and security modes
                              • 2. Certificates and encryption
                                - Authentication and authorization
                                • 1. Windows authentication
                                  • 2. Message and transport security
                                    Topic 5: WCF Bindings and Messaging- Message patterns
                                    • 1. One-way and duplex communication
                                      • 2. Request-reply
                                        - Bindings
                                        • 1. Custom bindings
                                          • 2. BasicHttpBinding, WSHttpBinding, NetTcpBinding

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

                                            Question #1

                                            You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service accepts service requests from different partner applications. One of the partner applications occasionally receives faults. You need to identify why the service is generating faults. You must accomplish this goal without interrupting the service. What should you do?

                                            • A. Run SvcTraceViewer.exe /register on the WCF server.
                                            • B. Add the following code segment to the application configuration file.
                                              <system.diagnostics>
                                              <switches>
                                              <add name="WcfFaultTrace" value="Error" />
                                              </ switches>
                                              </system.diagnostics>
                                            • C. Configure the Service Tracing options in the application configuration file. Analyze the
                                              trace results by using the SvcTraceViewer.exe program.
                                            • D. Connect remotely to the WCF service by using a debugger. Place breakpoints in the
                                              exception handling code segment.
                                            Answer: C
                                            Question #2

                                            You are creating a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5.
                                            You need to inspect the parameters on the client application.
                                            Which three actions should you perform? (Each correct answer presents part of the solution. Choose three.)

                                            • A. Insert a code segment that creates a behavior in the ICallContextlnitializer.BeforelnvokeO method.
                                            • B. Implement the lEndpointBehavior behavior to add the parameter inspector to the Dispatcher. ClientOperation.Parameterlnspectors method.
                                            • C. Implement the ICIientMessagelnspector interface.
                                            • D. Insert a behavior before you call the ClientBase.Open method.
                                            • E. Implement the IParameterlnspector interface.
                                            • F. Implement the lEndpointBehavior behavior to add the parameter inspector to the Dispatcher. DispatchOperation.Parameterlnspectors method.
                                            Answer: B,D,E
                                            Question #3

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

                                            You have not deployed the IMathService service.
                                            You need to expose the AddNumbers (double a, double b) operation to the IMathService
                                            service contract.
                                            Which code segment should you use?

                                            • A. Option D
                                            • B. Option C
                                            • C. Option A
                                            • D. Option B
                                            Answer: B
                                            Question #4

                                            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 D
                                            • B. Option C
                                            • C. Option A
                                            • D. Option B
                                            Answer: D
                                            Question #5

                                            You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service uses the net.tcp transport. You need to ensure that when the server starts, the service starts and continues to run. What should you do?

                                            • A. Host the service under IIS 7.0 by using Windows Activation Services.
                                            • B. Host the service under IIS 7.0 by using IIS 6.0 compatibility mode.
                                            • C. Host the service in a Windows Presentation Foundation application.
                                            • D. Host the service in a Windows service.
                                            Answer: D

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