Microsoft 70-503 Dumps : 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: Aug 01, 2026

Q & A: 270 Questions and Answers

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Microsoft 70-503 Exam Syllabus Topics:

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

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

                                            1. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. Client applications that run on different platforms access the WCF service.
                                            These applications transmit confidential data to the WCF service. You write the following binding configuration.
                                            ....
                                            <binding name="TransportSecurity" >
                                            <security mode="Transport" />
                                            </binding>
                                            ...
                                            You need to configure the service for optimum interoperability and optimum security.
                                            Which code fragment should you use?

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


                                            2. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize
                                            client applications. You write the following code segment. Class Store Implements IStore Public Sub RemoveOrder(ByVal ordered As Integer) _
                                            Implements IStore. RemoveOrder End Sub End Class You need to ensure that only
                                            those client applications that meet the following criteria can access the RemoveOrder method: "AdminUser" is the subject in the client certificate.
                                            "1 bf47e90O0acf4c0089cda65e0aadcf1 cedd592" is the thumbprint in the client certificate. What should you do?

                                            A) Decorate the RemoveOrder method by using the following attribute.
                                            <PrincipalPermission(SecurityAction. Demand,
                                            _Name:="AdminUser;1bf47e90C0acf4c0089cda65e0aadcf1cedd592")> _ Initialize the
                                            serviceAuthorization element of the service behavior in the following manner.
                                            <serviceAuthorization principalPermissionMode="Windows7>
                                            B) Decorate the RemoveOrder method by using the following attribute. <PrincipalPermission(SecurityAction. Demand, _Name:="CN=AdminUser;1bf47e90100acf4c0089cda65e0aadcf1cedd592")> _ Initialize the serviceAuthorization element of the service behavior in the following manner. <serviceAuthorization principalPermissionMode="UseAspNetRoles7>
                                            C) Decorate the RemoveOrder method by using the following attribute.
                                            <PrincipalPermission(SecurityAction. Demand,
                                            _Role:="CN=AdminUser,1bf47e9000acf4c0089cda65eOaadcf1cedd592")> _ Initialize the
                                            serviceAuthorization element of the service behavior in the following manner.
                                            <serviceAuthorization principalPermissionMode="Windows7>
                                            D) Decorate the RemoveOrder method by using the following attribute.
                                            <PrincipalPermission(SecurityAction. Demand,
                                            _Role:="AdminUser,1 bf47e90100acf4c0089cda65e0aadcf1 cedd592")> _ Initialize the
                                            serviceAuthorization element of the service behavior in the following manner.
                                            <serviceAuthorization principalPermissionMode="UseAspNetRoles7>


                                            3. You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5.
                                            The application uses the XML data format to exchange data with the service.
                                            You plan to change the data format to JavaScript Object Notation (JSON).
                                            You need to ensure that the client application can access the JSON WCF service.
                                            What should you do?

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


                                            4. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You configure a binding to enable streaming. You need to ensure that the client application is able to stream large XML files to the WCF service.
                                            Which operation contract should you create?

                                            A) [OperationContractjvoid UploadFile(byte[] xmlData);
                                            B) [OperationContract]void UploadFile(StreamWriter xmlData);
                                            C) [OperationContract]void UploadFile(Stream xmlData);
                                            D) [OperationContract]void UploadFile(XmlWriter xmlData);


                                            5. You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application consists of the following components:
                                            An ASP.NET Web application that is deployed on a Web server named WEB1 An ASMX Web service that is deployed on an application server named APP1 A Microsoft SQL Server database that is deployed on a database server named SQL1 The ASP.NET application connects to an ASMX Web service. The APP1 server hosts several ASMX Web service applications. The ASMX Web service stores and retrieves data from SQL1.
                                            You need to ensure that the secure communication strategy meets the following requirements:
                                            The communication configuration between WEB1 and APP1 must be secured without other applications being affected. Server authentication and data encryption must be performed between APP1 and SQL1. Which two secure communication protocols should you use? (Each correct answer presents part of the solution. Choose two.)

                                            A) Use Secure Sockets Layer between WEB1 and APP1.
                                            B) Use Secure Sockets Layer between APP1 and SQL1.
                                            C) Use Internet Protocol Security between WEB1 and APP1.
                                            D) Use Remote Procedure Call encryption between WEB1 and APP1.
                                            E) Use Remote Procedure Call encryption between APP1 and SQL1.
                                            F) Use Internet Protocol Security between APP1 and SQL1.


                                            Solutions:

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

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