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: Aug 26, 2026
  • Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
Topic 1: Security in WCF Services- Authentication and authorization
  • 1. Windows authentication
    • 2. Message and transport security
      - Secure communication
      • 1. Certificates and encryption
        • 2. Protection levels and security modes
          Topic 2: Client Configuration and Consumption- Service consumption
          • 1. Adding service references
            • 2. Generating proxies
              - Client configuration
              • 1. Handling faults and exceptions
                • 2. Endpoint configuration
                  Topic 3: WCF Bindings and Messaging- Bindings
                  • 1. BasicHttpBinding, WSHttpBinding, NetTcpBinding
                    • 2. Custom bindings
                      - Message patterns
                      • 1. Request-reply
                        • 2. One-way and duplex communication
                          Topic 4: 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 5: 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 create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You define the following data contract.

                                            You need to identify the structure of the resulting XML instance document. Which structure will the data contract produce?

                                            A. Option C
                                            B. Option A
                                            C. Option B
                                            D. Option D


                                            Question 2

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

                                            The implementation of the MyMethod operation must call back the CallbackMethod operation. You need to ensure that the service meets the following requirements:
                                            Which service implementation should you use?

                                            A. Option C
                                            B. Option A
                                            C. Option B
                                            D. Option D


                                            Question 3

                                            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 04?

                                            A. ver=OperationContext.Current.IncomingHessageVersion
                                            B. ver =HessageVersion.Soap11BSAddressing10
                                            C. ver = HessageVersion.None
                                            D. ver = HessageVersion.Default


                                            Question 4

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

                                            When you browse to the base address of the service, you receive the following message:
                                            "Metadata publishing for this service is currently disabled."
                                            You debug the code and discover that the ServiceMetadataBehavior behavior was previously nonexistent.
                                            You need to enable metadata publishing.
                                            What should you do?

                                            A. Modify the code segment at line 02 in the following manner. Dim mexAddress As New Uri ("/service")
                                            B. Insert the following code segment at line 12. smb.HttpGetEnatoled =True
                                            C. Insert the following code segment at line 06. smb.HttpGetEnatoled =True
                                            D. Delete lines 08 and 09.


                                            Question 5

                                            You are creating a distributed application by using Microsoft .NET Framework 3.5. The application uses Windows Communication Foundation.
                                            The client applications require the users to provide a user name and a password.
                                            You need to ensure that the server authenticates the client applications by verifying user names and passwords.
                                            Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

                                            A. Option C
                                            B. Option A
                                            C. Option B
                                            D. Option D


                                            Solutions:

                                            Question 1
                                            Answer: C
                                            Question 2
                                            Answer: C
                                            Question 3
                                            Answer: C
                                            Question 4
                                            Answer: C
                                            Question 5
                                            Answer: C,D

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