Microsoft 70-503 Exam Questions : 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: Jul 23, 2026
  • Q&As: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

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

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

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


                                            2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
                                            You add the following code fragment to the app.config file for the service.

                                            You need to enable personal identifiable information (PII) logging for the second trace source.
                                            What should you do?

                                            A) Set the logKnownPii attribute to false for the first source in the code fragment.
                                            B) Set the logKnownPii attribute to true for the first source in the code fragment.
                                            C) Set the logKnownPii attribute to true for the second source in the code fragment.
                                            D) Rename the second source listener name to Pii.


                                            3. You are creating a distributed application by using Microsoft .NET Framework 3.5.
                                            The application uses the Windows Communication Foundation model.
                                            You need to ensure that the following requirements are met:
                                            What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

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


                                            4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
                                            You need to publish metadata programmatically.
                                            Which two code segments should you use? (Each correct answer presents a complete solution. Choose two.)

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


                                            5. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You need to use a custom service host to host the WCF service in Windows Activation Services (WAS).
                                            What should you do?

                                            A) Create a custom service host factory that instantiates the custom service host. Include a reference to this factory in the .svc file.
                                            B) Add code to instantiate the custom service host from within the main procedure of the WCF service.
                                            C) Add a reference to the custom service host in the web.config file.
                                            D) Write hosting code for the WCF service.


                                            Solutions:

                                            Question # 1
                                            Answer: C
                                            Question # 2
                                            Answer: B
                                            Question # 3
                                            Answer: A,B
                                            Question # 4
                                            Answer: A,C
                                            Question # 5
                                            Answer: A

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