Microsoft
70-518 · Question #63
70-518 Question #63: Real Exam Question with Answer & Explanation
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Question
You are designing an n-tier solution for use by multiple groups of users. The solution consists of a client application that collects information from users and transmits it to a business layer for processing. The business layer sends the information to a service layer by using Windows Communication Foundation (WCF). The service layer exists on multiple servers. The solution must send the collected information to a specific server in the service layer based on the user's group. You need to recommend an approach that will allow the information to be sent to the correct server. What should you recommend?
Options
- AImpersonate the client in the business layer.
- BImplement a duplex contract on the service layer.
- CCreate a Windows Workflow Foundation (WF) activity on the client.
- DImplement the WCF 4 Routing Service.
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