Microsoft
70-519 · Question #196
70-519 Question #196: Real Exam Question with Answer & Explanation
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Question
You are conducting an architectural review of an existing ASP.NET Web application. The Web application uses only full-page postbacks, which degrades its performance. You have the following requirements: - Extend existing controls by using AJAX functionality. - Reduce the size of postbacks without modifying the existing controls. You need to recommend an approach for meeting the requirements. What should you recommend?
Options
- ACreate a user control that implements the IAsyncActionlnvoker interface.
- BCreate a server control derived from the Substitution class.
- CCreate a user control that implements the IExtenderProvider interface.
- DCreate a server control derived from the ExtenderControl class.
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