PDF Version DemoMicrosoft Advanced Windows Store App Dev using HTML5 and JavaScript Sample Questions:
1. 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) Synchronous calls
C) The Web Worker API
D) The Task.Run method
2. HOTSPOT
You develop a Windows Store app.
Users report that the user interface is sluggish and the data on the main screen of the app does not appear immediately. You run the Microsoft Visual Studio 2013 Performance and Diagnostics hub. The results are shown in the following image.
Select the correct answer from each list based on the information presented in the image. Each correct selection is worth one point.
3. You need to generate the required test result files.
What should you do?
A) Design tests to attach VSPerf.exe to the Print Near Me app.
B) Create a unit test project. Record interactions between the user and the Print Near Me app.
C) Design tests to attach VSProfiler.exe to the Print Near Me app.
D) Create a coded UI test project. Record interactions between the user and the Print Near Me app.
4. You are writing a Windows Store app by using JavaScript.
You need to authenticate a cloud server as a source for Windows Push Notification Services (WNS).
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)
A) Register the app with the Dashboard.
B) Obtain the identity values and credentials for the app.
C) Create the HTTPS authentication request.
D) Create a code-signing certificate.
5. You are developing a Windows Store app by using JavaScript. The app persists a list of
restaurants in the app's settings. The restaurant list is identified by a key of city. The app must allow users to remove their restaurant lists from the app's settings. The following function call removes the city setting:
deleteListSetting("city") ;
You need to remove only city from the settings storage without disrupting other settings.
Which code segment should you use?
A) Option A
B) Option D
C) Option C
D) Option B
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: Only visible for members | Question # 3 Answer: A | Question # 4 Answer: A,B,D | Question # 5 Answer: C |
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