- Exam Code: 070-490
- Exam Name: Recertification for MCSD: Windows Store Apps using HTML5
- Updated: Sep 30, 2026
- Q & A: 88 Questions and Answers
Microsoft 070-490 Exam : Recertification for MCSD: Windows Store Apps using HTML5
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Microsoft 070-490 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Developing Windows Store Apps Using HTML5 and JavaScript | - Implementing app lifecycle management - WinJS fundamentals and application structure - Working with controls and user input |
| Topic 2: Debugging and Testing | - Handling exceptions and logging - Debugging Windows Store applications |
| Topic 3: Designing Windows Store Apps | - App navigation and UX patterns - Responsive and adaptive layouts using HTML5 - User interface design principles for Windows Store apps |
| Topic 4: Deployment and Publishing | - App certification requirements - Submitting apps to the Windows Store - Packaging apps for Windows Store |
| Topic 5: Data Access and Storage | - Working with files and streams - Local and roaming data storage - Consuming web services and APIs |
Microsoft Recertification for MCSD: Windows Store Apps using HTML5 Sample Questions:
Question #1
You need to implement the navigation between screen categories.
What should you do?
- A. Implement category navigation controls on the nav bar on every screen.
- B. Place one button for each category on every screen and use the WinJS.navigate command to go to the category screens.
- C. Implement category navigation controls on the app bar on every screen.
- D. Place one link for each category on every screen and use an <href> tag to go to the category screens.
Correct Answer: A 🗳️
Question #2
You are developing a Windows Store app.
The app must store data locally. When the app terminates, it must destroy the stored data.
You need to choose the appropriate data storage location.
Which storage location should you use?
- A. localStorage
- B. sessionStorage
- C. indexedDB
- D. roamingStorage
Correct Answer: B 🗳️
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Question #3
You are developing two Windows Store apps by using JavaScript. A Source app will store sensitive customer information. A Target app will retrieve the stored information for validation and further processing.
The Source app must secure data by using a private-public key pair. Only the Target app must be able to consume data that has been secured by the Source app.
You need to ensure that the security of the data is not compromised.
What should you do?
- A. Encrypt data by using an asymmetric algorithm. Decrypt data by using a symmetric algorithm.
- B. Encrypt and decrypt data by using a symmetric algorithm.
- C. Encode data to and decode data from a Base64 string.
- D. Encrypt and decrypt data by using an asymmetric algorithm.
Correct Answer: D 🗳️
Question #4
You need to complete the code to start the background task.
Which code segment should you insert at line BG07?
- A. Windows.ApplicationModel.Background.SystemTriggerType.internetAvailable.false
- B. Windows.ApplicationModel.Background.SystemTriggerType.userAway.false
- C. Windows.ApplicationModel.Background.SystemTriggerType.servicingComplete.true
- D. Windows.ApplicationModel.Background.SystemTriggerType.userPresent.true
Correct Answer: A 🗳️
Question #5
HOTSPOT
You have a Windows Store app. You are reviewing code that caches data.
The code includes the following segment. Line numbers are included for reference only.
01 function setLocaiStorage(value) {
02 var storage = window.localStorage;
03 var value = document.getElement3yId('textToAdd').text;
04 storage.name = 'John';
05 storage.phone = ' 555-555-0100';
06 storage.message = value;
07 }
For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point.
Correct Answer:
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