70-484 Exam
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2021 Nov microsoft 70-484:
Q11. DRAG DROP
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.
Answer:
Q12. You are developing a Windows Store app that will read billing information from a CSV file that is stored in local storage. The app will display the billing data on the screen.
You need to ensure that portions of the app can be reused in WinRT, Windows Presentation Foundation (WPF), Microsoft Silverlight, and Windows Phone apps.
What should you do?
A. Create a page and a Billing ViewModel object. Set the page’s DataContext property to reference the BillingViewModel object. Program the page so that its Loaded event reads data from the file and populates the properties of the Billing ViewModel object with that file’s data. Program the page to consume the data by using data binding.
B. Create a page and a Billing ViewModel object. Program the page to use the Loaded event to load data from the file and then update the page contents to reflect the billing data from the file. Program the Billing ViewModel object to use the Windows.Data.FileLoader class to populate its properties from the file.
C. Create a page, a Billing ViewModel object, and a FileHelper class. Set the page’s DataContext property to reference the BillingViewModel object. Program the BillingViewModel object to use the FileHelper class to load data from the file, and populate its properties with billing data. Program the page to consume the data by using data binding.
D. Create a page and a BillingViewModel object. Set the page’s DataContext property to reference the BillingViewModel object. Program the Billing ViewModel object to load data from the file and populate its properties with that data. Program the page to consume the data by using data binding.
Answer: C
Q13. You need to ensure that launching the app displays the required information.
From which ApplicationExecutionState enumeration should you configure the user interface state?
A. NotRunning
B. Terminated
C. Suspended
D. Running
E. ClosedByUser
Answer: B
Q14. You need to ensure that resuming the app displays the required information.
From which ApplicationExecutionState enumeration should you configure the user interface state?
A. Suspended
B. Running
C. NotRunning
D. ClosedByUser
E. Terminated
Answer: D
Q15. You need to manage the caching of images. Which methods should you use?
A. SaveRoamingSetting() and GetRoamingSetting()
B. SaveDataToLocalStorage() and GetDataFromLocalStorage()
C. SaveLocalSetting() and GetLocalSetting()
D. SaveDataToWebService() and GetDataFromWebService()
E. SaveDataToRoamingStorage() and GetDataFromRoamingStorage()
F. SaveDataToAzureStorage() and GetDataFromAzureStorage()
Answer: B
Topic 2, Scenario 2
Background
You are developing a Windows Store app named Picture Sharer. The app will allow users to capture, modify, caption, and share pictures.
Application Structure
The SharelmageButton and GetContactsButton controls use the same foreground color. The foreground color might change in the future.
The following code defines a custom button style named ButtonStyleRed:
Relevant portions of the app files are shown. (Line numbers are included for reference only and include a two-character prefix that denotes the specific file to which they belong.)
Business Requirements
The app must meet the following business requirements:
-Allow users to capture and retrieve pictures, modify pictures by adding a shading effect, and add captions to images. -Support only Landscape and Landscape-flipped orientations. -Ensure that users can select and modify images from the PictureChooserPaqe page. -Ensure that users can change the magnification of the selected image and resize the image by using pinch and stretch gestures. Scaling should be fluid and precisely controlled by the user.
The app must be localized for the French Canadian market.
Technical Requirements
The app must meet the following technical requirements:
-Scroll bars must not be visible.
-The CaptionTextBlock and CaptionTextBox controls must appear side by side, without overlapping and on the same line. The CaptionTextBox control should appear to the right of the CaptionTextBlock control.
-The ContactPicker object must be filtered to display only email addresses.
-Minimize the code that is required to implement optical zoom functionality.
You must perform the following tasks:
-Handle the Click event of the GetPictureButton control to switch from the current page to the PictureChooserPage page.
-After the user selects an image on the PictureChooserPage page, ensure that the app navigates back to the PictureSharerMainPage page.
-Track the current screen orientation and page size by updating the _currentViewState, _currentHeight, and _currentWidth fields every time the screen orientation or page size changes.
-Create a style named ButtonStyleWhite that inherits all the style settings of the ButtonStyleRed style except the border color; the border color must be white. The ButtonStyleWhite style must automatically update with any changes that are made to the ButtonStyleRed style.
-Create a resource named ButtonForegroundColor to implement the button foreground color so that it can be referenced in XAML by using the following standard syntax: Foreground="{StacicResource ButtonForegroundColor}"
-Ensure that the OnNavigatedTo() method updates the current picture when a new picture is selected.
-Change the background for the root Grid element to a vertical gradient that transitions from black at the top to maroon at the bottom. Create a resource named GridBackgroundGradientBrush to hold the requested gradient.
While testing the app, you observe the following results:
-An exception is being thrown in the GetContactsCompleted event handler when the retrieved email address is assigned to the RecipientsTextBlock control. The exception message states: "The application called an interface that was marshalled for a different thread."
-When users navigate away from the PictureSharerMainPage page, information that was entered in the CaptionTextBox control is lost.
Update 70-484 exam dumps:
Q16. DRAG DROP
You need to refactor the code so that more than one contact can be selected by using the ContactPicker class.
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.)
Answer:
Q17. You need to implement the OnNavigatedTo() method to meet the requirements. Which code segment should you insert at line CS13?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q18. DRAG DROP
You are developing a Windows Store checkers game.
Game pieces are moved by using manipulation events. Moving a game piece on top of another game piece captures the bottom piece. The captured piece must be identified and removed from the board.
You need to identify when a game piece is captured.
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.)
Answer:
Q19. You need to correctly display notifications on the app tile.
Which code segments should you insert at line AX24? (Each correct answer presents part of the solution. Choose all that apply.)
A. tileUpdater.EnableNotificationQueue(true);
B. tileUpdater.EnableNotificationQueue(false);
C. tileUpdater.AddToSchedule(new ScheduledTileNotification( currentTemplate, DateTimeOffset.Now.AddMinutes(10)));
D. tileUpdater.Update(new TileNotification(currentTemplate) { ExpirationTime = DateTimeOffset.Now.AddMinutes(10) });
Answer: BD
Q20. DRAG DROP
You need to update the app tile images.
With which four code segments in sequence should you replace line AX23? (To answer, move the appropriate code segments from the list of code segments to the answer area and arrange them in the correct order.)
Answer: