Online Access Free 70-491 Exam Questions
| Exam Code: | 70-491 |
| Exam Name: | Recertification for MCSD: Windows Store Apps using C# |
| Certification Provider: | Microsoft |
| Free Question Number: | 91 |
| Posted: | Jun 16, 2026 |
You are developing a Windows Store app.
The app will store data in a text file.
You create the following method to store encrypted text in the text file:
The WriteData method writes the contents of an IBuffer object to a StorageFile object.
You need to recommend a solution to encrypt the data. The solution must minimize the use
of system resources and must ensure that the app can decrypt the data.
Which code segment should you recommend adding to line 06?
You need to make available the content that is provided by the design team. Which markup segment should you use?
DRAG DROP
You are developing a Windows Store app.
The app will provide users with the ability to play music remotely on another user's device
and then the other users will guess the name of the song.
You need to access the music storage and to retrieve files and folders.
You have the following code:
Which elements should you include in Target 1, Target 2, Target 3 and Target 4 to complete the code? (To answer, drag the appropriate elements to the correct targets in the answer area. Each element 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.)
DRAG DROP
You are developing a page for a Windows Store app.
You have the following requirements for the page:
- Display a button on the bottom app bar that allows the user to insert a picture. This button must be bound to the Insert command in the view model. - Display a button in the main content area of the page that allows the user to open documents. This button must be bound to the Open command in the view model.
You need to ensure that the requirements are met.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code 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.)
HOTSPOT
You are developing a Windows Store app to check the weather.
You need to ensure the app polls an external web service once per hour for tile updates.
You have the following code:
Which code snippet should you insert in Target 1 to complete the code? (To answer, select the correct code snippet from the dropdown list in the answer area.)
