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Microsoft 70-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Service Implementation and Hosting | - Hosting WCF services in managed applications, IIS and WAS - Implementing service contracts in C# using .NET Framework 3.5 - Configuring service behavior and metadata exposure |
| Client Configuration and Communication | - Channel factories and proxy generation - Bindings and interoperability considerations - Creating and configuring WCF client applications |
| Windows Communication Foundation Fundamentals | - Bindings, endpoints, and host configuration - Understanding WCF architecture and programming model - Service contracts, data contracts, and message contracts |
| Security, Transactions and Reliability | - Transactions, concurrency and instance management - Reliable messaging and error handling - Configuring security (transport and message level) |
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment to create a service contract. (Line numbers are included for reference only.)
You need to ensure that the client applications always use a binding that supports sessions.
Which code segment should you insert at line 01?
- A. [ServiceContract(SessionMode=SessionMode.Required) ]
- B. [ServiceContract(ProtectionLevel= ProtectionLevel.EncryptAndSign) ]
- C. [ServiceContract(SessionMode=SessionMode.Allowed) ]
- D. [ServiceContract(ProtectionLevel= ProtectionLeve1.EncryptAndSign, SessionMode=SessionMode.Allowed)]
Correct Answer: C 🗳️
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 06?
- A. Option A
- B. Option C
- C. Option B
- D. Option D
Correct Answer: C 🗳️
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 TransportWithMessageCredential.
- B. Use a BasicHttpBinding binding with the security mode set to Message.
- C. Use a WSFederationHttpBinding binding with the security mode set to Message.
- D. Use a WSFederationHttpBinding binding with the security mode set to TransportWithMessageCredential.
Correct Answer: C 🗳️
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. [OperationContract]void UploadFile(StreamWriter xmlData);
- B. [OperationContract]void UploadFile(Stream xmlData);
- C. [OperationContractjvoid UploadFile(byte[] xmlData);
- D. [OperationContract]void UploadFile(XmlWriter xmlData);
Correct Answer: B 🗳️
You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. You are designing a data contract for a Windows Communication foundation (WCF) service that will be hosted by the application. You need to ensure that the data contract meets the following requirements: It does not support Schema versioning.
It allows additional contract and additional elements to be included over time. It allows the client applications to submit messages that contain additional elements without error.
What should you do?
- A. Use the DataMemberAttribute attribute.
- B. Implement the IMetadataExchange interface.
- C. Use the IsRequired property.
- D. Implement the IExtensibleDataObject interface.
Correct Answer: D 🗳️
