Microsoft
70-518 · Question #207
70-518 Question #207: Real Exam Question with Answer & Explanation
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Question
You are designing a Windows Forms application that allows users to search a product catalog and place orders. You have the following requirements: - Display a progress indicator while the application is searching the catalog. - Ensure that users can cancel search operations. You need to recommend an approach that meets the requirements. What should you recommend?
Options
- AUse a BackgroundWorker component to perform the search.
- BExecute the search on the user interface thread.
- CImplement the search as a duplex service.
- DImplement the search as a Windows Communication Foundation (WCF) service by using the
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