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70-503 pdf
  • Exam Code: 70-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • Updated: Jul 30, 2026
  • Q & A: 270 Questions and Answers
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  • Exam Code: 70-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
  • Updated: Jul 30, 2026
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  • Exam Code: 70-503
  • Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation
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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
          Designing and Developing WCF Services- Service implementation
          • 1. Handle concurrency and instancing modes
            • 2. Implement service classes
              - Service contracts and data contracts
              • 1. Design data contracts using DataContract and DataMember
                • 2. Define service contracts using ServiceContract and OperationContract
                  Client Configuration and Consumption- Client configuration
                  • 1. Handling faults and exceptions
                    • 2. Endpoint configuration
                      - Service consumption
                      • 1. Adding service references
                        • 2. Generating proxies
                          Configuring and Hosting WCF Services- Hosting environments
                          • 1. Windows Activation Service (WAS)
                            • 2. IIS hosting
                              • 3. Self-hosting services
                                - Service configuration
                                • 1. Endpoints, bindings, and behaviors
                                  • 2. Configuration via app.config/web.config
                                    WCF Bindings and Messaging- Bindings
                                    • 1. BasicHttpBinding, WSHttpBinding, NetTcpBinding
                                      • 2. Custom bindings
                                        - Message patterns
                                        • 1. One-way and duplex communication
                                          • 2. Request-reply

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

                                            1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You find that the service starts even though the endpoints have not been configured correctly. You need to create a custom service behavior that throws an exception if the list of endpoints that are configured is not complete. Which code segment should you use?

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


                                            2. 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 B
                                            B) Option D
                                            C) Option C
                                            D) Option A


                                            3. You are creating a distributed application with Windows Communication Foundation by using Microsoft .NET Framework 3.5.
                                            The distributed application topology includes client applications, routers, and services. Communication between the client applications and the services require authentication, confidentiality, and integrity.
                                            You need to ensure that routers are not able to read the contents of the messages. You must achieve this goal without customizing the binding configuration.
                                            Which binding should you use?

                                            A) NetTcpBinding
                                            B) NetPeerTcpBinding
                                            C) WSHttpBinding
                                            D) NetNamedPipeBinding


                                            4. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application processes sales order documents. The application contains a component that retrieves the sales order documents from a FTP server and stores the data in a Microsoft SQL Server database. You need to ensure that the component meets the following requirements:
                                            Periodically polls the FTP server to check for new order documents Executes without dependencies on other software components Executes without user interaction Executes by using a specific security context Allows system administrators to change the security context by retaining the same component code.
                                            What should you do?

                                            A) Develop the component as a Windows service.
                                            B) Develop the component as a Web service.
                                            C) Develop the component as a Windows Communication Foundation service.
                                            D) Develop the component as a Windows application.


                                            5. You create a distributed application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation to create the application.
                                            You pass the client credentials to the service that runs on two Web servers named IIS1 and IIS2. The service uses the credentials to query data from a remote Microsoft SQL Server 2005 database named DB1.
                                            The client applications can retrieve data from the service when they connect to IIS1. When the client applications attempt to retrieve data from the service by connecting to IIS2, they receive the following error message:
                                            Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.
                                            You need to ensure that both IIS1 and IIS2 can query data from DB1.
                                            What should you do?

                                            A) Execute the following command on a domain controller. setspn -A http/iis2.example.com:80 DOMAIN\iis2$
                                            B) Configure IIS2 for constrained delegation to DB1.
                                            C) Configure DB1 for full delegation.
                                            D) Change the SQL connection string on IIS2 from "Data Source=DBl; Initial Catalog=db;Integrated Security=True" to "Data Source=DBl;Initial Catalog=db;Integrated Security=SSPI".


                                            Solutions:

                                            Question # 1
                                            Answer: A
                                            Question # 2
                                            Answer: C
                                            Question # 3
                                            Answer: C
                                            Question # 4
                                            Answer: A
                                            Question # 5
                                            Answer: D

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