[Free] 2018(Aug) Dumps4cert Microsoft 70-484 Dumps with VCE and PDF Download 71-80

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Essentials of Developing Windows Store Apps using C#

Question No: 71 HOTSPOT – (Topic 5)

You are developing a Windows Store app.

A page contains information that is entered by the user.

You need to ensure that the information is retained on the page if the user navigates away from the page and then returns.

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, select the correct code snippet from each drop-down list in the answer area.)

Dumps4Cert 2018 PDF and VCE

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: 72 DRAG DROP – (Topic 5)

You are developing a Windows Store app.

You need to identify the appropriate REST verbs for the app.

Which verbs should you use? (To answer, drag the appropriate verbs to the correct locations in the answer area. Each verb 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: 73 DRAG DROP – (Topic 5)

You are developing a Windows Store game. The game allows for interactive online play between users.

The game authenticates users by using the credentials of a third-party site that provides OAuth2 authentication.

You need to implement authentication that uses an implicit grant authorization.

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.)

Dumps4Cert 2018 PDF and VCE

Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Box 1:

Dumps4Cert 2018 PDF and VCE

Dumps4Cert 2018 PDF and VCE

For implicit grant authorization we use TOKEN response type. Box 2:

Respond with the RequestURL. Note:

  • The implicit grant flow can be used by both web-based and desktop apps. In this flow, the client makes an authorization request to https://login.live.com/oauth20_authorize.srf with request_type=token. This is a standard OAuth 2.0 flow.

    Question No: 74 DRAG DROP – (Topic 5)

    You are developing a Windows Store app.

    The following code segment defines an event procedure. (Line numbers are included for reference only.)

    Dumps4Cert 2018 PDF and VCE

    You need to define a custom help setting in the event procedure.

    Which three code segments should you insert in sequence at line 03? (To answer, move the appropriate code segments to the answer area and arrange them in the correct order.)

    Dumps4Cert 2018 PDF and VCE

    Answer:

    Dumps4Cert 2018 PDF and VCE

    Explanation:

    Box 1:

    Dumps4Cert 2018 PDF and VCE

    Box 2:

    Dumps4Cert 2018 PDF and VCE

    Box 3:

    Dumps4Cert 2018 PDF and VCE

    Note:

    Example:

    void onCommandsRequested( SettingsPane settingsPane,

    SettingsPaneCommandsRequestedEventArgs eventArgs)

    {

    UICommandInvokedHandler handler = new UICommandInvokedHandler(onSettingsCommand);

    SettingsCommand generalCommand = new SettingsCommand( quot;generalSettingsquot;, quot;Generalquot;, handler); eventArgs.Request.ApplicationCommands.Add(generalCommand);

    SettingsCommand helpCommand = new SettingsCommand(quot;helpPagequot;, quot;Helpquot;, handler); eventArgs.Request.ApplicationCommands.Add(helpCommand);

    }

    Question No: 75 HOTSPOT – (Topic 5)

    You are developing the manifest for a Windows Store app.

    You need to ensure that the app passes all the Windows Store certification requirements.

    Which graphic asset must have a transparent background? (To answer, select the appropriate graphic asset in the answer area.)

    Dumps4Cert 2018 PDF and VCE

    Answer:

    Dumps4Cert 2018 PDF and VCE

    Explanation:

    Dumps4Cert 2018 PDF and VCE

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

    Note:

    Badge logo

    the badge logo of Windows Store app that must be monochromatic with the transparency channel

    Question No: 76 – (Topic 5)

    You are developing a Windows Store app. An XML document named tileXmlDocument contains the layout of the app tile.

    You need to configure a tile notification that will display for 15 seconds.

    Which code segments can you use to achieve this goal? (Each correct answer presents a complete solution. Choose all that apply.)

    Dumps4Cert 2018 PDF and VCE

    1. Option A

    2. Option B

    3. Option C

    4. Option D

    Answer: B,C Explanation: * Example:

    tileNotification.ExpirationTime = DateTimeOffset.UtcNow.AddMinutes(10);

  • This example specifies that the notification should appear in 3 hours. This example uses the DateTime object.

Int16 dueTimeInHours = 3;

DateTime dueTime = DateTime.Now.AddHours(dueTimeInHours);

Question No: 77 – (Topic 5)

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. windows.Security.Authentication.Onlineld.OnlineldAuthenticator

  2. Windows.Security.Credentials.UI.CredentialPicker

  3. system.Net.NetworkCredential

  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#39;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: 78 – (Topic 5)

You are developing a Windows Store app.

You need to ensure that the app displays an icon on the lock screen when the app receives a new item.

What should you do?

  1. Declare the background task and enable the control channel property in

    Package.appxmanifest. Call the ToastNotificationManager.CreateToastNotifier() method.

  2. Declare the background task and enable the Push notification property in Package.appxmanifest. Call the BackgroundExecutionManager.RequestAccessAsync() method.

  3. Declare the background task and enable the push notification property in Package.appxmanifest. Call the ToastNotificationManager.CreateToastNotifier() method.

  4. Declare the background task and enable the control channel property in Package.appxmanifest. Call the BackgroundExecutionManager.RequestAccessAsync() method.

Answer: B

Question No: 79 HOTSPOT – (Topic 5)

A class named AccountViewModel includes a property named Name that will be bound to a control.

The Name property will occasionally be updated programmatically. The updated values must be reflected in the bound control.

You need to implement the interface so that the AccountViewModel class can inform WinRT when there is a new value to display.

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, select the correct code snippet from each drop-down list in the answer area.)

Dumps4Cert 2018 PDF and VCE

Dumps4Cert 2018 PDF and VCE

Answer:

Dumps4Cert 2018 PDF and VCE

Explanation:

Dumps4Cert 2018 PDF and VCE

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

Note:

  • INotifyPropertyChanged

    The INotifyPropertyChanged interface is used to notify clients, typically binding clients, that a property value has changed.

  • PropertyChangedEventHandler

Example:

// This is a simple customer class that

// implements the IPropertyChange interface.

public class DemoCustomer : INotifyPropertyChanged

{

// These fields hold the values for the public properties. private Guid idValue = Guid.NewGuid();

private string customerNameValue = String.Empty; private string phoneNumberValue = String.Empty;

public event PropertyChangedEventHandler PropertyChanged;

// This method is called by the Set accessor of each property.

// The CallerMemberName attribute that is applied to the optional propertyName

// parameter causes the property name of the caller to be substituted as an argument.

Question No: 80 – (Topic 5)

You are developing a Windows Store app that will be used to access large files stored online.

The files will be shared between users worldwide.

You need to recommend a solution to ensure that the users can download the files as quickly as possible.

Which storage solution should you recommend?

  1. a roaming folder

  2. Windows Azure Content Delivery Network (CDN)

  3. windows Azure Mobile Services

  4. SkyDrive

Answer: B

Explanation: The Microsoft Azure Content Delivery Network (CDN) offers developers a global solution for delivering high-bandwidth content that#39;s hosted in Azure.

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