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Microsoft 070-490 Exam Syllabus Topics:

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

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

2. DRAG DROP
You need to ensure that product images are displayed according to the requirements.
Which attributes should you use? (To answer, drag the appropriate attributes to the correct locations in the answer area. Each attribute 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.)

3. You are developing a Windows Store app.
The app must provide single sign-on (SSO) to a Microsoft account and to social networks.
The SSO feature must be accessible from any device.
You need to implement SSO.
Which authentication strategy should you use?

A) Fingerprint authentication
B) Credential Locker
C) Smart card authentication
D) Credential Picker

4. DRAG DROP
You are developing a Windows Store game that requires access to a Bluetooth-enabled human interface device (HID).
You need to implement access to the HID device.
Which code elements should you include? To answer, drag the appropriate code or markup segments to the correct targets. Each code or markup 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.

5. 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.

Solutions: