70-503 exam dumps

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  • Exam Code: 70-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • No. of Questions: 270 Questions and Answers
  • Updated: Sep 13, 2026

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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
Topic 1: WCF Bindings and Messaging- Message patterns
  • 1. One-way and duplex communication
    • 2. Request-reply
      - Bindings
      • 1. Custom bindings
        • 2. BasicHttpBinding, WSHttpBinding, NetTcpBinding
          Topic 2: 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 3: 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. IIS hosting
                          • 3. Windows Activation Service (WAS)
                            Topic 4: Client Configuration and Consumption- Client configuration
                            • 1. Handling faults and exceptions
                              • 2. Endpoint configuration
                                - Service consumption
                                • 1. Generating proxies
                                  • 2. Adding service references
                                    Topic 5: 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

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

                                            You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application exposes a Windows Communication Foundation (WCF) service. The service will be consumed by a client-side code that runs in the Web pages of an ASP.NET AJAX Web application. You need to ensure that data serialization between the service and the application incurs minimum latency.
                                            Which data format should you use?

                                            • A. JavaScript Object Notation
                                            • B. Really Simple Syndication 2.0
                                            • C. Extensible Markup Language
                                            • D. Binary
                                            Reveal Solution  Discussion  0

                                            Correct Answer: A  🗳️

                                            You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following binding configuration in the configuration file. (Line numbers are included for reference only.)
                                            01 <wsHttpBinding>
                                            02 <binding name="ssl">
                                            04 </binding>
                                            05 </wsHttpBinding>
                                            You need to ensure that the following requirements are met:
                                            Which configuration setting should you insert at line 03?

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

                                            Correct Answer: A  🗳️

                                            You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
                                            You create the following service definition
                                            [ServiceContract(SessionMode=SessionMode.Required)] public interface IMyService {
                                            ... }
                                            You need to custom manage the lifetime of the session.
                                            Which service implementation should you use?

                                            • A. [ServiceBehavior(AutomaticSessionShutdown=true)]
                                              public class serviceImpl
                                              {
                                              ...
                                              }
                                            • B. [ServiceBehavior(UseSynchronizationContext=true)] public class serviceImpl { ... }
                                            • C. [ServiceBehavior(UseSynchronizationContext=false)] public class serviceImpl { ... }
                                            • D. [ServiceBehavior(AutomaticSessionShutdown=false)] public class serviceImpl { ... }
                                            Reveal Solution  Discussion  0

                                            Correct Answer: D  🗳️

                                            You create 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.)

                                            The service must meet the following requirements:
                                            You need to set the isolation level for the service.
                                            Which line of code should you insert at line 05?

                                            • A. [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Chaos)]
                                            • B. [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Serializable)]
                                            • C. [SecviceBehavior(TransactionIsolationLevel= IsolationLevel.Snapshot)]
                                            • D. [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Unspecified)]
                                            Reveal Solution  Discussion  0

                                            Correct Answer: A  🗳️

                                            You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The metadata for the service is available at http://localhost:8080/MyService/mex.
                                            The svcutil.exe tool generates the following two files from the metadata:
                                            You need to ensure that the configuration file is merged with an existing app.config file.
                                            Which command should you use?

                                            • A. Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /mergeconfig
                                            • B. Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /mergeConfig
                                            • C. Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config
                                            • D. Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /noconfig
                                            Reveal Solution  Discussion  0

                                            Correct Answer: A  🗳️

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