70-491 Exam
Top 10 Q&A 70-491 for IT specialist (21 to 30)
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Q21. DRAG DROP - (Topic 1)
3.You need to recommend a solution to share images from the capture photo page. You have the following code. (Line numbers are included for reference only.)
Which code segments should you recommend inserting at lines 06 and 12? (To answer, drag the appropriate code segments to the correct locations. 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:
Q22. - (Topic 9)
You are developing a Windows Store app.
You need to create a service for the app to receive push notifications from Windows Push Notification Services (WNS).
Which tool should you use?
A. The Manifest Designer
B. The Developer Dashboard
C. The Microsoft Visual Studio XML Editor
D. The Windows App Certification Kit
Answer: A
Q23. - (Topic 9)
You are developing a Windows Store app.
The app will store user names and passwords by using Windows Azure.
You need to recommend a method to store the passwords. The solution must minimize the likelihood that the passwords will be compromised.
Which algorithm should you recommend using?
A. 3DES
B. DES
C. AES
D. SHA512
Answer: D
Reference:
http://apps.microsoft.com/windows/en-us/app/sha-512-encoder/6be865f2-4673-47c6-9354-1865c2ef82fe
Q24. DRAG DROP - (Topic 9)
You are developing a Windows Store social media app. The app communicates with the
server by using a secure web service.
You need to ensure that users can securely store and retrieve web service credentials.
You have the following code:
Which code snippets should you insert in target 1 and target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area. Each
code snippet 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:
Q25. - (Topic 9)
You are developing a Windows Store app.
The app contains a page named MainPage. The page contains a media element named videoPlayer and a button named btnPlayTo. You need to provide users with the ability to select a device that will display the contents of
videoPlayer when they click btnPlayTo.
Which code segment should you add to the Click event handler of btnPlayTo?
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.media.playto.playtomanager.showplaytoui.aspx
Q26. - (Topic 9)
You are developing a Windows Store app that will display a toast notification.
You need to ensure that when a toast notification is displayed, the first line of the notification is bold.
Which template should you use?
A. TileSquareText03
B. ToastText01
C. TileSquarePeeklmageAndText01
D. ToastImageAndText02
Answer: D
Explanation: ToastImageAndText02 A large image, one string of bold text on the first line, one string of regular text wrapped across the second and third lines.
Q27. - (Topic 9)
You are developing a Windows Store app named VideoPlayer.
The app will provide user with the ability to select video files by using the file picker and to play the video.
You need to recommend a solution for the app that meets the following requirements:
. If the app is terminated while playing a video, the next time the app starts, the
video must play.
. The app must minimize the amount of storage space used.
. The app must NOT request any capabilities.
What should you include in the recommendation?
A. Add the file to AccessCache.StorageApplicationPermissions.MostRecentlyUsedList.
B. Store the StorageFile.Path property in ApplicationData.Current.LocalSettings.
C. Store the video in ApplicationData.Current.RoamingFolder.
D. Store the video in ApplicationData.Current.LocalFolder.
Answer: A
Q28. DRAG DROP - (Topic 9)
You are developing a Windows Store app.
You need to identify the effects of applying Microsoft design principles to the user interface.
Which effects result from the design principles? (To answer, drag the appropriate effects to the correct locations in the answer area. Each effect 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:
Q29. - (Topic 2)
You create a mobile service to send push notifications to the app.
You configure the service and the app to work with Windows Push Notification Services
(WNS).
You add the following code to the App.xaml.cs file:
You need to ensure that the app can access the push notification channel.
What should you do first?
A. Add a call to GetChannel in the OnLaunched event handler of the app.
B. Set the Uri property of pushChannel in the OnActivated event handler of the app.
C. Set the Uri property of pushChannel in the OnLaunched event handler of the app.
D. Add a call to GetChannel in the OnActivated event handler of the app.
Answer: A
Explanation: http://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.application.onlaunched.aspx
Q30. - (Topic 4)
You need to configure the Picture Sharer app to support only the required device orientations.
What should you do?
A. In the App.xaml file, configure the Portrait and Portrait-flipped orientations.
B. In the Package.appxmanifest file, configure the Snapped and Filled orientations.
C. In the PictureSharerMainPage.xaml file, configure the Landscape and Landscape-flipped orientations.
D. In the App.xaml file, configure the Portrait and Landscape orientations.
E. In the App.manifest file, configure the Portrait and Portrait-flipped orientations.
F. In the Package.appxmanifest file, configure the Landscape and Landscape-flipped orientations.
Answer: F