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Microsoft 070-485

070-485

Exam Code: 070-485

Exam Name: Advanced Windows Store App Development using C#

Updated: Aug 03, 2026

Q & A: 163 Questions and Answers

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Microsoft 070-485 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data access and storage- Working with files and streams
- Serialization and data persistence
- Local and roaming storage
Topic 2: App deployment, debugging, and optimization- Debugging and diagnostics
- Packaging and Windows Store deployment
- Performance optimization
Topic 3: Design and implement Windows Store app architecture- App state management and suspension/resumption
- MVVM design patterns
- Application lifecycle management
Topic 4: Develop UI and user experience- Responsive layouts and adaptive UI
- Navigation and view management
- XAML UI design and controls
Topic 5: Implement networking and services- Consuming REST and web services
- Background transfers and async operations
- JSON/XML data handling

Microsoft Advanced Windows Store App Development using C# Sample Questions:

1. 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?

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


2. You are developing a Windows Store app that targets customers who travel frequently.
The app allows users to record audio and video files and save them to their local devices.
You have the following traveler-friendly requirements: The audio and video files must be shorter than three minutes in duration. The app must finalize recording automatically when the time limit is reached. You cannot use continuous polling to test when the time limit is reached. You need to ensure that the app meets the requirements.
What should you do?

A) Handle the AudioTransferRequested event to avoid continuous polling.
B) Assign a handler to the DefaultAudioCaptureDeviceChanged event to handle the requirements.
C) Handle the RecordLimitationExceeded event to handle the requirements.
---
D) Call the StopRecordAsync() method to end recording.


3. DRAG DROP
You are collecting metrics from a Windows Store app that has been deployed to the Windows Store.
You need to collect data to analyze the quality and success of the app.
Which tool should you use for each statistic? (To answer, drag the appropriate metrics to the correct location or locations in the answer area. Each metric 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 need to implement the requirements for the playback of media.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

A) Add the following line of code at line MC10.
ptMgr.PlayRequested += SourceRequestHandler;
B) Add the following line of code at line MC06.
ptMgr.DefauitSourceSelection = false;
C) Add the following line of code at line MC05.
ptMgr.SourceRequested += SourceRequestHandler;
D) Add the following line of code at line MC02.
private void ShowPlayTo()
{
Windows.Media.PlayTo.PlayToManager.ShowPlayToUI();
}


5. DRAG DROP
You are developing a Windows Store app.
The app has numerous features that should be enabled or disabled based on the license
information of the app.
You need to test the trial functionality by using the CurrentAppSimulator class.
Which three 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:

Question # 1
Answer: B
Question # 2
Answer: C
Question # 3
Answer: Only visible for members
Question # 4
Answer: B,C
Question # 5
Answer: Only visible for members

070-485 Related Exams
074-353 - Windows UX Design
070-481J - Essentials of Developing Windows Store Apps using HTML5 and JavaScript (070-481日本語版)
070-492 - Upgrade your MCPD: Web Developer 4 to MCSD: Web Applications
070-485J - Advanced Windows Store App Development using C# (070-485日本語版)
070-483J - Programming in C# (070-483日本語版)
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