Microsoft
70-519 · Question #69
70-519 Question #69: Real Exam Question with Answer & Explanation
The correct answer is B. Create a server control derived from the ExtenderControl class.. See the full explanation below for the reasoning.
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 IExtenderProvider interface.
- BCreate a server control derived from the ExtenderControl class.
- CCreate a user control that implements the IAsyncActionlnvoker interface.
- DCreate a server control derived from the Substitution class.
Community Discussion
No community discussion yet for this question.