You are designing an application that must meet the Windows Phone 7 application

You are designing an application that must meet the

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Question: 74
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You are designing an application that must meet the Windows Phone 7 application certification requirements. You need to ensure that the memory usage of the application meets the requirements. What should you recommend? A. If the ApplicationPeakMemoryUsage value returned by DeviceExtendedProperties is less than or equal to 90 MB, ApplicationCurrentMemoryUsage must be less than 64 MB. B. If the ApplicationPeakMemoryUsage value returned by DeviceExtendedProperties is less than or equal to 256 MB, ApplicationCurrentMemoryUsage must be less than 90 MB. C. If the DeviceTotalMemory value returned by DeviceExtendedProperties is less than or equal to 90 MB, ApplicationPeakMemoryUsage must be less than 64 MB. D. If the DeviceTotalMemory value returned by DeviceExtendedProperties is less than or equal to 256 MB, ApplicationPeakMemoryUsage must be less than 90 MB. Answer: D Question: 75 You are designing a Windows Phone 7 application that uses an MVVM pattern. You need to recommend the layer of the MVVM pattern where the application developer should unit test the client-side logic in the application. What should you recommend? Question: 76 You are designing a Windows Phone 7 application that implements the MVVM design pattern. The application will work with data that can be stored locally on the device or retrieved remotely from the Internet. You need to recommend an application design that follows the paradigms of the MVVM design pattern. What should you recommend?
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Question: 77 You are designing a Windows Phone 7 application that will contain many different types of UI objects. The UI objects will have similar actions regarding how they respond to user interaction. You need to recommend a way to minimize the effort to create and maintain multiple UI objects with common functionalities. What should you recommend? Question: 78 You are designing a Windows Phone 7 application that supports portrait or landscape orientations. You need to display a video in the application that responds to changes in device orientation. Which actions should you perform in sequence? (To answer, move the appropriate steps from the list of actions to the answer area and arrange them in the correct order.) A. Add a MediaElement control to the page. B. Add a PlaneProjection transform and set the RotationX property to 90. C. Add a RotateTransform transform and set the Angle property to 90. D. Set the source of MediaElement to the appropriate video file. E. Set the source of MediaElement to the appropriate audio file. Answer: A,
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  • Spring '16
  • Windows Vista, Windows Communication Foundation

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