70-490 試験問題を無料オンラインアクセス

DRAG DROP
You are developing a Windows Store app. The app will enable users to read e-books.
Users must be able to lock the app orientation so that rotating the device does not change the app display.
You need to implement the code for locking and unlocking the orientation.
How should you complete the relevant code? To answer, drag the appropriate code segments to the correct targets. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

正解：

You are developing a Windows Store app. A page in the app contains the following HTML code:

The app must style a container element and two child elements to resemble the following image.

The grid layout must meet the following requirements:
- The Top section must be half the width of the Bottom section. - The solution must retain the proportions of the child sections in the event that the dimensions of any of the grid sections change.
You need to ensure that the proportions of the sections of the image are retained.
Which CSS segment should you add to your style sheet?

• A.Option B
• B.Option A
• C.Option C
• D.Option D

You develop a Windows Store app that allows users to modify images by using filters and image-processing algorithms.
The app must meet the following requirements:
- Use a web worker to initiate the image-processing algorithms on a separate thread. - Clean up the web worker after processing the algorithms.
You need to ensure that the web worker releases memory after processing the algorithms. What should you do?

• A.From the calling page, call the closet) command.
• B.From the web worker, call the close() command.
• C.From the web worker, call the GCollect method.
• D.From the calling page, call the postMessage() command with the terminate parameter.

DRAG DROP
You are developing a Windows Store app that will display photos that are stored on various services including Microsoft OneDrive and third-party social media sites.
You must use the WebAuthenticationBroker class to manage and provide authentication across all services. The app must support single sign-on (SSO).
You need to implement an authentication strategy for the app.
Which five actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

正解：

You are developing a Windows Store app that will allow users to take photos by using the built-in device camera. The app will immediately open the photo for editing.
You need to programmatically specify the location from which to open the most recent photo taken by the app.
What is the best option to achieve the goal? More than one answer choice may achieve the goal. Select the BEST answer.

• A.KnownFolders.savedPictures
• B.SkyDrive.Pictures
• C.KnownFolders.cameraRoll
• D.KnownFolders.pictureslibrary