070-503 study materials - Microsoft 070-503 dumps VCE

Microsoft 070-503 : TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

Exam Code: 070-503

Exam Name: TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation

Updated: Jul 26, 2026

Q & A: 270 Questions and Answers

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Microsoft 070-503 Exam Syllabus Topics:

SectionObjectives
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
          Designing and Developing WCF Services- Service implementation
          • 1. Implement service classes
            • 2. Handle concurrency and instancing modes
              - Service contracts and data contracts
              • 1. Design data contracts using DataContract and DataMember
                • 2. Define service contracts using ServiceContract and OperationContract
                  Configuring and Hosting WCF Services- Service configuration
                  • 1. Endpoints, bindings, and behaviors
                    • 2. Configuration via app.config/web.config
                      - Hosting environments
                      • 1. Windows Activation Service (WAS)
                        • 2. Self-hosting services
                          • 3. IIS hosting
                            Client Configuration and Consumption- Client configuration
                            • 1. Handling faults and exceptions
                              • 2. Endpoint configuration
                                - Service consumption
                                • 1. Generating proxies
                                  • 2. Adding service references
                                    WCF Bindings and Messaging- Message patterns
                                    • 1. Request-reply
                                      • 2. One-way and duplex communication
                                        - Bindings
                                        • 1. Custom bindings
                                          • 2. BasicHttpBinding, WSHttpBinding, NetTcpBinding

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

                                            1. 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: IStore
                                            {
                                            public void RemoveOrder(int ordered)
                                            {
                                            } }
                                            You need to ensure that only those client applications that meet the following criteria can access the RemoveOrder method:
                                            What should you do?

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


                                            2. You are creating a Windows Communication Foundation service by using Microsoft .NET
                                            Framework 3.5.
                                            The client applications are unable to use SSL You need to ensure that clients authenticate by using a token provided by a Security Token Service (STS). What should you do?

                                            A) Use a BasicHttpBinding binding with the security mode set to Message.
                                            B) Use a WSFederationHttpBinding binding with the security mode set to TransportWithMessageCredential.
                                            C) Use a WSFederationHttpBinding binding with the security mode set to Message.
                                            D) Use a BasicHttpBinding binding with the security mode set to TransportWithMessageCredential.


                                            3. 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) Configure DB1 for full delegation.
                                            B) Configure IIS2 for constrained delegation to DB1.
                                            C) 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".
                                            D) Execute the following command on a domain controller. setspn -A http/iis2.example.com:80 DOMAIN\iis2$


                                            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) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As Stream)
                                            B) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As StreamWriter)
                                            C) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As ByteQ)
                                            D) <OperationContractQ> _ Sub UploadFile(ByVal xmlData As XmlWriter)


                                            5. You are creating a client application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation (WCF) to create the application.
                                            The client application uses a Personal Information Card to provide authentication information to the WCF server. You write the following code fragment. (Line numbers are included for reference only.)

                                            You need to ensure that one of the claims in the Personal Information Card contains an e-mail address.
                                            Which code fragment should you insert at line 05?

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


                                            Solutions:

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

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