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

1. You are developing a Windows Store photography app by using JavaScript. The app includes the following code segment. (Line numbers are included for reference only.)

You need to ensure that the app captures all pictures as landscape-oriented photos at the maximum resolution.
Which code segment should you insert at line 03?

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

2. You need to store the data for the last selected product.
How should you store the data?

A) Use app data storage.
B) Use System.IO.IsolatedStorage.
C) Use Microsoft Azure SQL Database.
D) Use the company's central data center.

3. You need to test connection reliability.
What should you do?

A) Display the status of the tap gesture after the Start event. Test wireless connections by calling the FindAllPeersAsync method.
B) Display the status of the tap gesture after the TriggeredConnectionStateChanged event. Test wireless connections by calling the ConnectAsync method.
C) Display the status of the tap gesture after the Start event. Test wireless connections by calling the ConnectAsync method.
D) Display the status of the tap gesture after the TriggeredConnectionStateChanged event. Test wireless connections by calling the FindAllPeersAsync method.

4. You are developing a fitness app for distribution through the Windows Store.
The app must interact with the following USB device classes:
Webcam
Infrared thermometer
Scale
Printer
----
You need to modify the app manifest file as required to support the devices.
Which two device classes should you include? Each correct answer presents part of the solution.

A) AudioVideo
B) IrDa
C) Printer
D) PersonalHealthcare

5. You develop a Windows Store app.
The app user interface is slow to load, and occasionally stops responding.
You need to increase the responsiveness of the user interface.
What should you implement?

A) Windows Runtime Metadata (WinMD) components
B) Promises
C) The Web API of the Windows Library for JavaScript
D) TheTask.Run method

Solutions: