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

1. 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.)

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

3. You are developing a Windows Store app that will be used to display daily high temperatures and other weather conditions for five cities.
The app must meet the following requirements:
- A splash screen is displayed on the device until the data is retrieved from the Internet.
- The user must be able to view weather information as soon as the data is fully available.
You need to ensure that the splash screen is displayed at startup until the app has completed loading updated data.
Which actions can you perform to achieve this goal? (Each correct answer presents a complete solution. Choose all that apply.)

A) Create an image that duplicates the splash screen, and display the image by using fragment loading until the data is fully available.
B) Configure settings in the app manifest to display the splash screen until the data is fully available.
C) Configure settings in the app manifest to display the splash screen for 10 seconds.
D) Create an image that duplicates the splash screen, load the image from the dismissed event of the splash screen, and display the image until the data is fully available.

4. In the following code segment, three functions return WinJS.Promise objects.

You need to chain the promise operations to optimize error handling. Which code segment should you use?

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

5. 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 D
C) Option C
D) Option A

Solutions: