Ensurepass

QUESTION 111

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.)

 

70-484-demo-94

Correct Answer:

 

70-484-demo-95

Explanation:

Badge logo

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

 

 

QUESTION 112

You are developing a Windows Store app. You are using the Model-View-ViewModel (MVVM) architectural pattern to design the app. You need to identify the type of code to place in each layer. How should you distribute the 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.)

 

70-484-demo-96

 

Correct Answer:

 

70-484-demo-97

Explanation:

* Model: as in the classic MVC pattern, the model refers to either (a) a domain model which represents the real state content (an object-oriented approach), or (b) the data access layer that represents that content (a data-centric approach).

* View: as in the classic MVC pattern, the view refers to all elements displayed by the GUI such as buttons, labels, and other controls.

* View model: the view model is a “model of the view” meaning it is an abstraction of the view that also serves in mediating between the view and the model which is the target of the view data bindings.

 

 

QUESTION 113

You are developing a Windows Store video-sharing app. Videos are represented in the app by a VideoCollection class that contains a list of videos. The app includes the following code segment:

 

70-484-demo-98

 

The app must support grouping by the VideoCollection object. You need to bind a GridView control that can display and group the videos to a List<VideoCollection> collection named VideoLibrary. Which three 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.)

 

70-484-demo-99

 

Correct Answer:

 

70-484-demo-100

Explanation:

CollectionViewSource IsSourceGrouped

* CollectionViewSource.IsSourceGrouped property

Gets or sets a value that indicates whether source data is grouped.

true if data is grouped. false if data is not grouped.

 

 

QUESTION 114

You are developing an app named App1. You plan to display a large amount of text on a single page of App1. You need to ensure that the text flows to a second column if the text does not fit
in the first column. The two columns must have the same width. You have the following XAML markup:

 

70-484-demo-101

 

Which code snippets should you include in Target 1, Target 2, Target 3, Target 4, and Target 5 to complete the XAML markup? (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.)

 

70-484-demo-102

Correct Answer:

70-484-demo-103

 

 

QUESTION 115

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:

 

70-484-demo-104

 

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.)

 

70-484-demo-105

Correct Answer:

 

70-484-demo-106

 

 

 

QUESTION 116

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.)

 

70-484-demo-107

Correct Answer:

 

70-484-demo-108

 

 

QUESTION 117

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:

 

70-484-demo-109

 

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.)

 

70-484-demo-110

 

Correct Answer:

 

70-484-demo-111

 

 

QUESTION 118

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:

 

70-484-demo-112

 

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.)

 

70-484-demo-113

 

Correct Answer:

 

70-484-demo-114

 

Explanation:

* 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 119

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?

A.

PassportAuthenticationModule

B.

WindowsAuthenticationModule

C.

WebAuthenticationBroker

D.

FormsAuthentication

 

Correct 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 experienced.

 

 

QUESTION 120

You are developing a Windows Store app that will be used to manage contacts. You need to provide users with the ability to add contacts by using the app. All new contacts must be visible in the people hub. Which class should you use to add the contact?

 

A.

ContactPicker

B.

ContactManager

C.

ContactPickerUI

D.

ContactXnformation

 

Correct Answer: B

Explanation:

ContactManager class

Represents a service that source apps can call to access contact data.

 

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