Microsoft 070-490 : Recertification for MCSD: Windows Store Apps using HTML5

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Microsoft 070-490 Exam Syllabus Topics:

Microsoft Recertification for MCSD: Windows Store Apps using HTML5 Sample Questions:

1. DRAG DROP
You are developing a Windows Store style app that uses RESTful services.
You need to ensure that the RESTful web service sends form information to the remote server. You have the following code:

Which HTTP verb and HTTP header should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate verb and header to the correct targets in the answer area.
Each verb and header 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.)

2. You are developing a Windows Store app that will support the Play To feature.
You need to implement the user interface for the Play To feature.
What is the best approach to achieve the goal? More than one answer choice may achieve the goal. Select the BEST answer.

A) Provide a standard Play To glyph in the user interface that programmatically invokes the Devices charm flyout.
B) Enable the operating system to handle the Play To feature asynchronously without requiring user interaction.
C) Enable the user to invoke the Play To feature by swiping to display the Devices charm flyout.
D) Provide an HTML button control in the user interface that programmatically invokes the Devices charm flyout.

3. You are developing a Windows Store app by using JavaScript. The app will be used to retrieve data from a web service.
The app must retrieve the current date and time in UTC format from the web service by using the URL http://www.treyresearch.net/ GetDateTimeinUTC.asmx. Errors must be handled.
You must ensure that data is retrieved successfully.
Which code segment should you use?

A) Option B
B) Option D
C) Option C
D) Option A

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

5. You need to update the status of the map pinpoints for the Print Near Me control. Which code segment should you insert at line PM34?

A) Option B
B) Option D
C) Option C
D) Option A

Solutions: