70-490 Exam
Rebirth Microsoft 70-490 - An Overview 1 to 10
It is impossible to pass Microsoft 70-490 exam without any help in the short term. Come to Actualtests soon and find the most advanced, correct and guaranteed Microsoft 70-490 practice questions. You will get a surprising result by our Latest Recertification for MCSD: Windows Store Apps using HTML5 practice guides.
2021 Jan 70-490 answers
Q1. - (Topic 7)
You are developing a Windows Store app by using JavaScript. The app will be installed on five devices. The app will use certificates to secure communications between the five devices.
Information sent through the app must be decrypted only by the intended recipient device.
You need to complete the certificate enrollment.
What should you do?
A. Create a single certificate enrollment request on one device and import the certificate to the other four devices.
B. Create a single group certificate enrollment request on one device and share the public and private keys with the other four devices.
C. Create a certificate enrollment request on each device and install the respective response on each device.
D. Create a single certificate enrollment request on one device and share only the public key with the other four devices.
Answer: C
Q2. - (Topic 7)
You are developing a Windows Store app.
The app must provide single sign-on (SSO) to a Microsoft account and to social networks. The SSO feature must be accessible from any device.
You need to implement SSO.
Which authentication strategy should you use?
A. Fingerprint authentication
B. Credential Locker
C. Smart card authentication
D. Credential Picker
Answer: B
Reference:
http://msdn.microsoft.com/en-us/library/windows/apps/dn448918.aspx
Q3. - (Topic 4)
You need to ensure that the settings for the About page meet the business requirements. Which attribute should you add to the DIV element in line AB07?
A. data-win-options="{width:'narrow'}"
B. data-win-options="{width:'346'}"
C. data-win-options="{size:'narrow'}"
D. data-win-options={size:'346'}"
Answer: A
Explanation: SettingsFlyout.width property (Windows)
Q4. - (Topic 2)
You need to implement the navigation between screen categories.
What should you do?
A. Place one button for each category on every screen and use the WinJS.navigate command to go to the category screens.
B. Implement category navigation controls on the nav bar on every screen.
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.
Answer: B
Q5. - (Topic 7)
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 and decrypt data by using an asymmetric algorithm.
B. Encrypt and decrypt data by using a symmetric algorithm.
C. Encrypt data by using an asymmetric algorithm. Decrypt data by using a symmetric algorithm.
D. Encode data to and decode data from a Base64 string.
Answer: A
Latest 70-490 free practice exam:
Q6. - (Topic 7)
You are developing a Windows Store app that will support the Play To feature.
You need to implement the user interface for the Play To feature.
What is the best approach to achieve the goal? More than one answer choice may achieve the goal. Select the BEST answer.
A. Enable the user to invoke the Play To feature by swiping to display the Devices charm flyout.
B. Enable the operating system to handle the Play To feature asynchronously without requiring user interaction.
C. Provide a standard Play To glyph in the user interface that programmatically invokes the Devices charm flyout.
D. Provide an HTML button control in the user interface that programmatically invokes the Devices charm flyout.
Answer: C
Q7. - (Topic 5)
You need to implement the code to meet the search requirements. Which code segment should you insert at line NP11?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Explanation: http://msdn.microsoft.com/en-us/library/windows/apps/windows.applicationmodel.search.searchsuggestioncollection.asp
Q8. - (Topic 7)
You are developing a Windows Store app. The app includes a handler for the suggestions requested event. The empty event handler is shown in the following code. (Line numbers are included for reference only.)
The app must meet the following requirements:
. Provide an app-defined list of choices in the Search pane that responds to user query text changes. . Provide suggested search topics only when the user enters a query that contains the text "products".
You need to add code to meet the requirements.
Which code segment should you insert at line 02?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Explanation: SearchSuggestionCollection class (Windows)
Q9. - (Topic 5)
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?
A. <h2 class ="news-item-title win-type-ellipses" data-win-bind="textContent: title"></ h2>
B. <h2 class="news-item-title win-type-large" data-win-bind="textContent: title"></h2>
C. <h2 class="news-item-titlewin-type-xx-large" data-win-bind="textContent: title"></ h2>
D. <h2 class="news-item-title win-type-x-large" data-win-bind="textContent: title"></ h2>
Answer: A
Explanation: WinJS CSS classes for typography (Windows) ListView.itemTemplate property (Windows)
Q10. - (Topic 7)
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?
A. From the calling page, call the closet) command.
B. From the calling page, call the postMessage() command with the terminate parameter.
C. From the web worker, call the GC.Collect method.
D. From the web worker, call the close() command.
Answer: D
58. HOTSPOT - (Topic 7)
The following image depicts three apps. App1 and App3 have been launched by App2.
Select the correct answer from each list based on the information presented in the image. Each correct selection is worth one point.
Answer: