Microsoft Recertification for MCSD: Windows Store Apps using HTML5 - 70-490 Exam Practice Test
You develop a Windows Store app that allows users to modify images by using filters and image-processing algorithms.
The app must meet the following requirements:
- Use a web worker to initiate the image-processing algorithms on a separate thread. - Clean up the web worker after processing the algorithms.
You need to ensure that the web worker releases memory after processing the algorithms. What should you do?
The app must meet the following requirements:
- Use a web worker to initiate the image-processing algorithms on a separate thread. - Clean up the web worker after processing the algorithms.
You need to ensure that the web worker releases memory after processing the algorithms. What should you do?
Correct Answer: B
Vote an answer
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?
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?
Correct Answer: D
Vote an answer
DRAG DROP
You are developing a Windows Store app that uses a CredentialPicker control to collect the user's user name and password credentials.
The CredentialPicker control has the following requirements:
- The Remember my credentials check box must be selected by default. - The text "Enter user name and password" must be displayed in the message header of the dialog box.
You need to ensure that the requirements are met.
Which properties should you use? (To answer, drag the appropriate properties to the correct locations in the answer area. Each property 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.)
You are developing a Windows Store app that uses a CredentialPicker control to collect the user's user name and password credentials.
The CredentialPicker control has the following requirements:
- The Remember my credentials check box must be selected by default. - The text "Enter user name and password" must be displayed in the message header of the dialog box.
You need to ensure that the requirements are met.
Which properties should you use? (To answer, drag the appropriate properties to the correct locations in the answer area. Each property 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.)
Correct Answer:
You need to complete the code to start the background task.
Which code segment should you insert at line BG07?
Which code segment should you insert at line BG07?
Correct Answer: B
Vote an answer
You need to implement the code to meet the requirements regarding the display of the newsPage.html page.
Which HTML element should you insert at line NH06?
Which HTML element should you insert at line NH06?
Correct Answer: D
Vote an answer
Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).
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?
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?
Correct Answer: B
Vote an answer
HOTSPOT
You are developing a Windows Store app by using JavaScript.
You plan to add an animation to the navigation button. The animation must do the following:
- Show motion when tapped.
- Move to the next app screen after completing the animation sequence.
You need to add the animation to the button.
How should you complete the relevant code? (To answer, select the correct code segment in each drop-down list in the answer area.)
You are developing a Windows Store app by using JavaScript.
You plan to add an animation to the navigation button. The animation must do the following:
- Show motion when tapped.
- Move to the next app screen after completing the animation sequence.
You need to add the animation to the button.
How should you complete the relevant code? (To answer, select the correct code segment in each drop-down list in the answer area.)
Correct Answer:
DRAG DROP
You are developing a Windows Store app.
You plan to use Windows Push Notification Services (WNS) in the app.
You need to identify whether the system has disabled notifications globally.
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.)
You are developing a Windows Store app.
You plan to use Windows Push Notification Services (WNS) in the app.
You need to identify whether the system has disabled notifications globally.
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.)
Correct Answer:
DRAG DROP
You are developing a Windows Store enterprise app that will send status messages to a user's device.
The app must display a toast notification whenever it receives a new message.
You need to implement the toast notification.
Develop the solution by selecting and arranging the required code segments in the correct order. You may not need all of the code segments.
You are developing a Windows Store enterprise app that will send status messages to a user's device.
The app must display a toast notification whenever it receives a new message.
You need to implement the toast notification.
Develop the solution by selecting and arranging the required code segments in the correct order. You may not need all of the code segments.
Correct Answer:
