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

1. You need to retrieve the background task collection for the iteration loop.
Which code segment should you insert at line BG14?

A) var tasks = Windows.ApplicationModel.Background.BackgroundTaskRegistration.allTasks.first();
B) var tasks = Windows.ApplicationModel.Background.BackgroundTaskRegistration.allTasks();
C) var tasks = Windows.ApplicationModel.Background.BackgroundTaskBuilder.allTasks.first();
D) var tasks = Windows.ApplicationModel.Background.BackgroundTaskRegistration.first();

2. You need to implement the code to meet the requirements regarding the display of the newsPage.html page.
Which HTML element should you insert at line NH06?

A) <h2 class="news-item-title win-type-large" data-win-bind="textContent: title"></h2>
B) <h2 class ="news-item-title win-type-ellipses" data-win-bind="textContent: title"></ h2>
C) <h2 class="news-item-titlewin-type-xx-large" data-win-bind="textContent: title"></ h2>
D) <h2 class="news-item-title win-type-x-large" data-win-bind="textContent: title"></ h2>

3. You are developing two Windows Store apps by using JavaScript. A Source app will store sensitive customer information. A Target app will retrieve the stored information for validation and further processing.
The Source app must secure data by using a private-public key pair. Only the Target app must be able to consume data that has been secured by the Source app.
You need to ensure that the security of the data is not compromised.
What should you do?

A) Encrypt and decrypt data by using an asymmetric algorithm.
B) Encode data to and decode data from a Base64 string.
C) Encrypt and decrypt data by using a symmetric algorithm.
D) Encrypt data by using an asymmetric algorithm. Decrypt data by using a symmetric algorithm.

4. You are creating a Windows Store app for a retail business. You must enumerate the available human interface devices (HIDs) on the client computer.
You need to use the Windows.Devices.HumanInterfaceDevice namespace to detect the available devices.
What types of devices can you detect?

A) A wireless router
B) An internal camera device
C) The built-in GPS on a mobile device
D) A Bluetooth-enabled joystick that uses a native Windows 8.1 device driver

5. 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.

Solutions: