Microsoft
70-518 · Question #219
70-518 Question #219: Real Exam Question with Answer & Explanation
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Question
You are designing a Windows client application by using Microsoft NET Framework 4 and Microsoft Visual Studio 2010. The business logic layer of the application is implemented by using Windows Communication Foundation (WCF). You write the following code segment in the middle tier: <ServiceContractO> -- Public Interface lWcf Service <OperationContractO> -- <FaultContract(GetType(ApplicationException))> -- Sub ProcessData(ByVal d As Data) End Interface The Process Data service method is a long-running operation. You need to ensure that the application meets the following requirements: "Users can continue to use the user interface while the Process Data service method is running. "Message delivery is reliable. What should you use?
Options
- AA Session full One-Way operation on Process Data with a proxy-based synchronous class
- BA Session full Request-Reply operation on Process Data with a proxy-based asynchronous
- CA Session less One-Way operation of Process Data with a proxy-based synchronous class
- DA Session less Request-Reply operation on Process Data with a proxy-based asynchronous
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