[Free] 2018(Aug) Dumps4cert Microsoft 70-491 Dumps with VCE and PDF Download 41-50

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Recertification for MCSD: Windows Store Apps using C#

Question No: 41 – (Topic 9)

You are developing a Windows Store app. The app will access a web service.

You need to declare the web service Uniform Resource Identifier (URI). Which file should you modify?

  1. AppxManifest

  2. AppConfig

  3. WebConfig

  4. Wsp

  5. xap

Answer: E

Question No: 42 DRAG DROP – (Topic 9)

You are developing a Windows Store app.

The app consumes data from a business layer. You need to develop a unit test.

The test method must ensure that the collection of person objects returned by the business layer meets the following requirements:

->Always contains elements

->Orders elements consistently between calls

You have the following code:

Dumps4Cert 2018 PDF and VCE

Which code snippets should you include in Target 1, Target 2, Target 3 and Target 4 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.)

Dumps4Cert 2018 PDF and VCE

Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Dumps4Cert 2018 PDF and VCE

C:\Users\Kamran\Desktop\image.jpg

Question No: 43 – (Topic 9)

You are developing a Windows Store app.

The app will access several web resources that use an OAuth 2.0 authentication provider.

You need to recommend in which class to store user credentials so that users do not have to reenter their credentials when they access the web resources.

Which class should you recommend?

  1. System.Net.AuthenticationManager

  2. System.Net.NetworkCredential

  3. Windows.Security.Credentials.WebAccount

  4. Windows.Security.Credentials.PasswordVault

Answer: D

Explanation: The task of storing and retrieving user credentials securely and allowing user credentials roam at no cost with the user’s Microsoft account is simplified with the Credential Locker.

Storing user credentials in the Credential Locker is a quick, two-step process. 1.Obtain a reference to the Credential Locker using the PasswordVault object from the Windows.Security.Credentials namespace.

2.Create a PasswordCredential object that contains an identifier for your app, the username and the password, and pass that to the PasswordVault.Add method to add the credential to the locker.

Question No: 44 – (Topic 9)

You are developing a Windows Store app to view MP4 videos.

You need to ensure that when a user double-clicks an MP4 file, the app starts and plays back the video automatically.

Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

  1. Add the Videos Library capability to the Appxmanifest file.

  2. Modify the OnActivated event of the App.xaml.cs file to pass ProtocolActivatedEventArgs to the page if ActivatedEventArgs.Kind == ProtocolActivatedEventArgs.

  3. Add a File Type Associations declaration to the Appxmanifest file.

  4. Add an OnFileActivated event handler to the App.xaml.cs file.

  5. Add an AutoPlay Content declaration to the Appxmanifest file.

Answer: C,D

Explanation: http://msdn.microsoft.com/en-us/library/windows/apps/xaml/jj191724.aspx

Question No: 45 DRAG DROP – (Topic 9)

You are developing a Windows Store app.

The app has the following requirements:

->Open the Search charm.

->Provide query suggestions by using the GetSuggestions() method-

You need to ensure that the app meets the requirements. You have the following code:

Dumps4Cert 2018 PDF and VCE

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.)

Dumps4Cert 2018 PDF and VCE

Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Dumps4Cert 2018 PDF and VCE

Note:

  • GetForCurrentView

    ApplicationView.GetForCurrentView, getForCurrentView method Applies to Windows and Windows Phone

    Gets the window (app view) for the current app.

  • AppendQuerySuggestion

Appends a query suggestion to the list of search suggestions for the search pane.

Question No: 46 – (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?

  1. TileSquareText03

  2. ToastText01

  3. TileSquarePeeklmageAndText01

  4. 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.

Question No: 47 DRAG DROP – (Topic 9)

You are developing a Windows Store app that provides users with the ability to make short audio recordings if an audio device is available.

You need to ensure that the users can replay the audio recording before they save the recording.

You have the following code: (Line numbers are included for reference only.)

Dumps4Cert 2018 PDF and VCE

Which code segments should you insert at lines 02, 07 and 10? (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.)

Dumps4Cert 2018 PDF and VCE

Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Dumps4Cert 2018 PDF and VCE

C:\Users\Kamran\Desktop\image.jpg

Question No: 48 – (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?

  1. 3DES

  2. DES

  3. AES

  4. SHA512

Answer: D

Reference:

http://apps.microsoft.com/windows/en-us/app/sha-512-encoder/6be865f2-4673-47c6-9354- 1865c2ef82fe

Question No: 49 DRAG DROP – (Topic 9)

You need to develop an app to measure whether a surface is level. The app will be used on devices that have a gyrometer.

You have the following code:

Dumps4Cert 2018 PDF and VCE

Which code snippets should you include in Target 1, Target 2 and Target 3 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.)

Dumps4Cert 2018 PDF and VCE

Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Dumps4Cert 2018 PDF and VCE

http://msdn.microsoft.com/en- us/library/windows/apps/windows.devices.sensors.gyrometer.aspx

Question No: 50 – (Topic 9)

You are developing a Windows Store multi-player game.

You need to ensure that the game can authenticate users by using the credentials of a third-party social networking site.

Which class should you use?

  1. PassportAuthenticationModule

  2. WindowsAuthenticationModule

  3. WebAuthenticationBroker

  4. FormsAuthentication

Answer: C

Explanation: How can you take protocol modeled for the web and make it work in an app that is running on a Windows 8 device? The answer is the WebAuthenticationBroker component in the Windows Runtime.

The web authentication broker is designed to assist you with single sign-on scenarios by emulating a fully web-based experience.

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