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Microsoft 70-503 Exam Syllabus Topics:

SectionObjectives
Security in WCF Services- Authentication and authorization
  • 1. Windows authentication
    • 2. Message and transport security
      - Secure communication
      • 1. Protection levels and security modes
        • 2. Certificates and encryption
          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
                    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
                            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. One-way and duplex communication
                                      • 2. Request-reply
                                        - Bindings
                                        • 1. BasicHttpBinding, WSHttpBinding, NetTcpBinding
                                          • 2. Custom bindings

                                            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 need to insert an additional header in a response message.
                                            What should you do?

                                            A) Implement the BeforeSendRequest method of the IClientMessagelnspector interface.
                                            B) Implement the AfterCall method of the IParameterlnspector interface.
                                            C) Implement the BeforeSendReply method of the IDispatchMessagelnspector interface.
                                            D) Implement the AfterReceiveRequest method of the IDispatchMessagelnspector interface.


                                            2. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
                                            The WCF service must authenticate the client applications by validating credit card numbers and expiry dates. You write the following code segment. (Line numbers are included for reference only.)

                                            You need to implement custom authentication for the WCF service. Which code segment should you insert at line 05?

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


                                            3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
                                            You need to expose two different service endpoints that have the same address.
                                            Which configuration setting should you use?

                                            A) <service name="ExamService">
                                            <endpoint address="http: //localhost:8080/service"
                                            binding="wsHttpBinding" contract="ISimpleExam"/>
                                            <endpoint address="http: //localhost:8080/service"
                                            binding="wsDualHttpBinding" contract="IComplexExam"/>
                                            </service>
                                            B) <service name="ExamService">
                                            <host>
                                            <baseAddresses>
                                            <add baseAddress="http: //localhost:8080"/>
                                            </baseAddresses>
                                            </host>
                                            <endpoint address="service"
                                            binding="wsHttpBinding" contract="ISimpleExam"/>
                                            <endpoint address="service"
                                            binding="basicHttpBinding" contract="IComplexExam"/>
                                            </service>
                                            C) <service name="ExamService">
                                            <endpoint address="http: . //localhost:8080/service"
                                            binding="wsHttpBinding" contract="ISimpleExam"/>
                                            <endpoint address="http: //localhost:8080/service"
                                            binding="wsHttpBinding" contract="IComplexExam"/>
                                            </service>
                                            D) <service name="ExamService">
                                            <host>
                                            <baseAddresses>
                                            <add baseAddress="http: //localhost:8080/service"/>
                                            </baseAddresses>
                                            </host>
                                            <endpoint binding="wsHttpBinding" contract="ISimpleExam"/>
                                            <endpoint binding="basicHttpBinding"
                                            contract="IComplexExam"/>
                                            </service>


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

                                            You need to ensure that the service instance is recycled when the transaction is complete.
                                            Which line of code should you insert at line 07?

                                            A) [ServiceBehavior(ReleaseServiceInstanceOnTransactionComplete= true. ConcurrencyMode=ConcurrencyMode.Multiple, TransactionAutoCompleteOnSessionClose=true)]
                                            B) [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Single, Transact ionAutoCompleteOnSess ionClose=true)]
                                            C) [ServiceBehavior(ReleaseServiceInstanceOnTransactionComplete= true. ConcurrencyMode=ConcurrencyMode.Single)]
                                            D) [ServiceBehavior(ReleaseServiceInstanceOnTransactionComplete= true. ConcurrencyMode=ConcurrencyMode.MultipleJ]


                                            5. 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) Delete lines 15 and 16.
                                            B) Modify the code segment at line 03 in the following manner. Uri mexAddress=neUri("/service");
                                            C) Insert the following code segment at line 11. smb.HttpGetEnabled=true;
                                            D) Insert the following code segment at line 19. smb.HttpGetEnabled=true;


                                            Solutions:

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

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