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2021 Dec 70-490 free exam questions
Q41. - (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
Q42. - (Topic 6)
You need to ensure that the PrintNearMeCall function meets the technical requirements. Which code segment should you insert at line PS24?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Explanation: http://msdn.microsoft.com/en-us/library/windows/apps/br229727.aspx http://msdn.microsoft.com/en-us/library/windows/apps/br229728.aspx
Q43. - (Topic 4)
You need to implement the getStoredCredentialsFull method. Which code segment should you insert at line CM13?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Explanation: PasswordVault class (Windows)
Topic 5, Scenario 5
Background
Southridge Video rents and sells video games, movies, and other multimedia content. The company is currently expanding its operations. Southridge video is developing a Windows Store news reader and social media app. Users will be able to view and interact with news stories that are related to the video game, entertainment, and related industries. Southridge Video employees will also use the app to manage sales leads, order fulfillment, and customer-service related activities.
Business Requirements
The app has the following requirements.
Users must be able to email news items to their contacts.
Navigation
..
Easy navigation access must be available to move to the next and previous pages. Users searching for specific news items must be able to navigate directly to an item from the search results pane.
News items
. ....
When a user selects a news item on newsPage.html, the news item should be
displayed in the newsltem.html page.
The app must periodically retrieve new news items on the newsPaae.html page.
The app must periodically retrieve new news items on the newsPage.html page.
The app must allow the user to save annotated news.
The app must display a short title for each news item.
Search capabilities
..
The app must allow users to search within available news items to locate articles
of interest.
The app must provide search suggestions for users.
Authentication
. .. .
Employees must be able to view the sales leads, order fulfillment, and customer-
service related pages.
Authenticated users must be able to save news items to read at a later time.
Authenticated users must be able to add and save handwritten notes to the news
items.
The app must allow users to choose whether their credentials will be saved after
they first log in. User credentials must be saved by default.
Technical Requirements Email
..
When a user clicks the To button to email news items, only contacts that have
email addresses should be displayed.
When multiple contacts are selected, the email addresses must be displayed in the
To text box as a semi-colon-delimited string.
News items
. . ..
The app must periodically retrieve new items from a web service. The app must display a progress indicator while retrieving new items. The news feed service must respond to all requests within 15 seconds. The app must not throw an error if the service does not respond within the allotted time. Titles for news items must not overflow into other elements on the page. Authenticated users must be able to add handwritten notes to the news items by using a stylus or the mouse. The app must support saving annotations along with the news item.The app must cancel the navigation from newsltem.html to newsPage.html if there are unsaved changes in the annotations area.
Search capabilities
The app must retrieve a list of phrases from the news service and provide them as search suggestions to users.
Authentication
. Users connected to the corporate network must authenticate against an Active Directory server. . Users outside of the corporate network must authenticate by using forms-based authentication. . User credentials must not be transmitted in plain text.
Application Structure
Relevant portions of the app files are shown below. (Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.)
emailPage.html
emailPage.js
getCredential.js newsItem.html
newsItem.js
newsPage.html
newsPage.js
Q44. - (Topic 7)
You are developing a Windows Store text editor app by using HTML5 and JavaScript.
Users must be able to select text within the app and then cut the text.
You need to enable the Cut feature.
Which code segments should you use? (Each correct answer presents part of the solution.
Choose all that apply.)
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A,B
Explanation: UICommand.UICommand constructors (Windows)
Q45. DRAG DROP - (Topic 7)
You are developing a Windows Store app that will display photos that are stored on various services including Microsoft OneDrive and third-party social media sites.
You must use the WebAuthenticationBroker class to manage and provide authentication across all services. The app must support single sign-on (SSO).
You need to implement an authentication strategy for the app.
Which five 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.
Answer:
Rebirth 70-490 download:
Q46. - (Topic 3)
You need to implement the storage policy for secure documents. Which code segment should you insert at line PF12?
A. Windows.Security.EnterpriseData.FileRevocationManager.getStatusAsync
B. Windows.Security.EnterpriseData.FileRevocationManager.protectAsync
C. Windows.Security.EnterpriseData.FileRevocationManager.Revoke
D. Windows.Security.EnterpriseData.FileRevocationManager.copyProtectAsync
Answer: B
Q47. - (Topic 1)
You need to retrieve the background task collection for the iteration loop. Which code segment should you insert at line BG14?
A. var tasks = Windows.ApplicationModel.Background.BackgroundTaskRegistration.first();
B. var tasks = Windows.ApplicationModel.Background.BackgroundTaskRegistration.allTasks.first();
C. var tasks = Windows.ApplicationModel.Background.BackgroundTaskBuilder.allTasks.first();
D. var tasks = Windows.ApplicationModel.Background.BackgroundTaskRegistration.allTasks();
Answer: B
Q48. DRAG DROP - (Topic 7)
You are developing a Windows Store app that streams photos to and from any Windows-compliant device on the same network.
You need to configure the Play To receiver.
How should you complete the relevant code? To answer, drag the appropriate code segments to the correct targets. 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.
Answer:
Q49. - (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
Q50. - (Topic 7)
You are developing a Windows Store app. The app will allow users to upload and share
text messages.
The app must upload each message to a Windows Azure back-end database. The stored
data must be encrypted by using public/private key encryption.
You need to implement data encryption for the app. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Reference: http://msdn.microsoft.com/en-us/library/windows/apps/windows.security.cryptography.core.asymmetrickeyalgorithmprovi der.openalgorithm.ASPx
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