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Microsoft Recertification for MCSD: Windows Store Apps using C# Sample Questions:

1. DRAG DROP
You need to write code for the method that will be called when a user takes a picture. (Develop the solution by arranging the code snippets. You will need all of the code snippets.)

2. You are designing a Windows Store app to manage image and video files.
The app must meet the following requirements:
Video files must be stored locally on each device.
The app must use local storage for data caching.
User settings must be shared across multiple devices.
Image files must be available across multiple devices.
Metadata for images must be stored in a central database.
Image files, video files, and their associated metadata must load as quickly as
possible.
You need to identify which data must be cached based on the app requirements.
Which two types of data should you identify? (Each correct answer presents part of the solution. Choose two.)
------

A) Metadata
B) Video files
C) Image files
D) User settings

3. DRAG DROP
You are developing a Windows Store app.
The app consumes data from a business layer.
You need to develop a unit test.
The test method must ensure that the collection of person objects returned by the business
layer meets the following requirements:
- Always contains elements
- Orders elements consistently between calls
You have the following code:

Which code snippets should you include in Target 1, Target 2, Target 3 and Target 4 to complete the code? {To answer, drag the appropriate code snippets to the correct targets in the answer area. Each code snippet 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.)

4. You are developing a Windows Store app.
The app will access a web service.
You need to declare the web service Uniform Resource Identifier (URI).
Which file should you modify?

A) Wsp
B) WebConfig
C) AppxManifest
D) xap
E) AppConfig

5. DRAG DROP
You are developing your first Windows Store app and submitting it to the Windows Store.
The app uses a cloud server to send notifications by using Windows Push Notification
Service (WNS).
You need to authenticate the cloud server with WNS.
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: