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Case Study 4 – Automotive Manufacturer (QUESTION 38 – QUESTION 42)
Background
You are developing an app for an automotive manufacturer. The app will display information about the vehicle, the vehicle owner’s manual, and the maintenance schedule. The app will be available to install from the Windows Store.
Business Requirements
The app must meet the following business requirements:
– Display the company logo on the Main screen. Owner’s Manual screen, and Service Record screen of the app.
– Allow users to store their vehicle information to identify the correct information to display within the app.
– Prominently display a stock image of the user’s vehicle on the Main screen at the full height of the app.
– Send notifications by using tile updates when a scheduled maintenance is approaching or past due.
– Insert service data in the appropriate locations, and update the Service Record screen with data received from a cloud service.
– Display related media within the app.

Technical Requirements
The app must meet the following technical requirements.
User Experience
– The app user interface must follow Microsoft design guidelines.
– The user must be able to insert or update service records.
– The user must be able to filter service records by date or service type.
– The user must be able to navigate between various parts of the app including but not limited to the Main screen, Service Record screen, and Owner’s Manual screen.
– The user cannot switch between categories by using the Back button. The data from the cloud service must automatically populate the Service Record screen.
– The Main screen must have a dark background. All other screens must have a light background with contrasting colored text.
– All multimedia must provide a full-screen mode that can be activated by the end user.
– All media items must start when the user interacts with them and stop immediately when a video ends.
– The app must accept and display tile messages and notification messages from the cloud service.
– The navigational icons must not be displayed if the content of the screen does not require such display.
– Any page of the owner’s manual must be able to be pinned to the Windows Start screen.
– When the app is pinned to the Windows Start screen all live tile sizes must be available to the users.
– When a specific app page is pinned to the Windows Start screen, the page tile cannot be wider or taller than the dimensions of a wide tile.
– Short names and display names must not be displayed on square tiles.
Development
– The app must use Microsoft Visual Studio preconfigured templates with built-in data structures.
– External notifications must be delivered by using Windows Push Notification Services (WNS).
– The app must be able to receive push notifications from a Windows Azure Mobile Services endpoint.
– Each HTML file must be supported by similarly named JavaScript and CSS files (for example, myFile.html, myFile.js, myFile.css).
Application Structure
File: main.html
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.

File: main.js
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.

File: manual.html
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.

File: manual.js
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.

File: service.html
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.

File: service.js
Relevant portions of the app files are shown below. Line numbers in the code segments are included for reference only and include a two-character prefix that denotes the specific file to which they belong.

QUESTION 38
You need to implement the navigation between screen categories. What should you do?

A.    Place one link for each category on every screen and use an <href> tag to go to the category screens.
B.    Implement category navigation controls on the nav bar on every screen.
C.    Place one button for each category on every screen and use the WinJS.navigate command to go to the category screens.
D.    Implement category navigation controls on the app bar on every screen.

Answer: B

QUESTION 39
You need to implement the app bar for the Service Record screen. Which markup segment should you insert at line SH07?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: C

QUESTION 40
You need to modify the app so that the user can play videos by tapping the screen. What should you do?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: A

QUESTION 41
Drag and Drop Question
You need to configure the app to receive push notifications. Which four 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:

QUESTION 42
Hotspot Question
You need to begin the project development. Which project template should you choose? To answer, select the appropriate project template type in the answer area.

Answer:

QUESTION 43
You are developing a Windows Store app. Users must be able to initiate searches by using the Search charm. The app must display the search text in a DIV element named statusMessage. You need to add code to meet this requirement. Which code segment should you add?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: B

QUESTION 44
You are developing a Windows Store app. The app includes a handler for the datarequested event. A portion of the code for the event handler is shown in the following code segment:

The app must meet the following requirements:
– The app must share an order tracking link with target apps.
– The app must share URI-type data only.
You need to ensure that the app meets the requirements. Which code segment should you insert at line 05?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: C

QUESTION 45
Hotspot Question
You are developing a Windows Store app. The app allows users to browse contacts from a social networking site. The app has the following requirements:
– The user must be able to select more than one contact at a time.
– The app must display all of the details for the selected contacts.
You need to ensure that the requirements are met. Which code segments should you use? (To answer, select the correct option from each drop-down list in the answer area.)

Answer:

QUESTION 46
Drag and Drop Question
You are developing a Windows Store app. You need to allow the app to share content with other applications. 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:


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QUESTION 47
You are developing two Windows Store apps named PhotoApp and PictureAlbum. The apps must meet the following requirements:
– PhotoApp must have access to images on the local computer on which PhotoApp is running.
– PictureAlbum must be able to access the images from PhotoApp.
You need to configure the deployment package settings for both apps to ensure that the requirements are met. What should you do?

A.    Add the Pictures Library setting to the list of declarations for PhotoApp, and add the Share Target setting to the list of capabilities for PictureAlbum.
B.    Add the Share Target setting to the list of declarations for PictureAlbum, and add the Pictures Library setting to the list of capabilities for PhotoApp.
C.    Add the Pictures Library setting to the list of capabilities for PictureAlbum, and add the Share Target setting to the list of declarations for PictureAlbum.
D.    Add the URI of PhotoApp to the Content URIs list for PictureAlbum, and add the URI of PictureAlbum to the Content URIs list for PhotoApp.

Answer: A

QUESTION 48
You are planning to deploy a Windows Store app to a large number of users. The size of the app is approximately 5 GB. You need to package the app to prepare it for deployment to the Windows Store. How many packages should you use?

A.    3
B.    1
C.    2
D.    4

Answer: A

QUESTION 49
You are developing a Windows Store app by using HTML5. The app will be optimized for accessibility. The app must meet the following accessibility requirements:
– Provide support for navigating all user interface elements.
– Provide support for invoking default functionality on the user interface.
– Provide support for use of a computer keyboard.
You need to ensure that the app meets the accessibility requirements. Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)

A.    Set the tabIndex attribute for interactive elements. Dynamically manage the tabIndex attribute for composite elements.
B.    Set the aria-live attribute of user interface elements to polite for important content that changes dynamically.
C.    Ensure that visible text has a minimum luminosity contrast ratio of 1:1 against the background.
D.    Implement event handlers for invoking default functionality.

Answer: AB

QUESTION 50
Hotspot Question
You are developing a Windows Store app. You need to ensure that a file that is launched by the app is handled when the app is activated. Which code segment should you use? (To answer, select the correct option from the drop- down list in the answer area.)

Answer:

QUESTION 51
You are developing a Windows Store app by using HTML5 and JavaScript. The app will support both the English and French languages. The app must meet the following requirements:
– Automatically load language-specific string resources from a resource file, and access the resources from within the HTML by using data-win res attributes.
– Use the base.js file from the Windows Library for JavaScript.
You need to ensure that the correct language-specific resources are used. What should you do?

A.    Specify both the element properties and the resource names of data-win-res attributes, and process the data-win-res attributes in the onactivated event.
B.    Specify only the properties of data-win-res attributes, and process the data-win-res attributes prior to the DOMContentLoaded event.
C.    Specify both the element properties and the resource names of data-win-res attributes, and process the data-win-res attributes immediately after the DOMContentLoaded event.
D.    Specify only the resource names of data-win-res attributes, and process the data-win- res attributes in the onactivated event.

Answer: C

QUESTION 52
Drag and Drop Question
You are developing a Windows Store weather app. You need to restore the state of the app while the app is being reactivated. Which code segments should you use? (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:

QUESTION 53
You are developing a Windows Store app that will be used to display daily high temperatures and other weather conditions for five cities. The app must meet the following requirements:
– A splash screen is displayed on the device until the data is retrieved from the Internet.
– The user must be able to view weather information as soon as the data is fully available.
You need to ensure that the splash screen is displayed at startup until the app has completed loading updated data. Which actions can you perform to achieve this goal? (Each correct answer presents a complete solution. Choose all that apply.)

A.    Configure settings in the app manifest to display the splash screen until the data is fully available.
B.    Create an image that duplicates the splash screen, load the image from the dismissed event of the splash screen, and display the image until the data is fully available.
C.    Create an image that duplicates the splash screen, and display the image by using fragment loading until the data is fully available.
D.    Configure settings in the app manifest to display the splash screen for 10 seconds.

Answer: CD

QUESTION 54
You are developing a Windows Store app. The app includes the following HTML markup:

You are creating a Flexible Box layout for the application. The layout must be configured as shown in the following display.

The Flexible Box layout must conform to the following requirements:
– The Child2 DIV element must appear on the right side of the layout.
– The Child1 DIV element must appear immediately to the left of Child2.
You need to add CSS to ensure that the requirements are met. Which CSS segment should you add to the style sheet?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: D

QUESTION 55
You are developing a Windows Store text editor app by using HTML5 and JavaScript. Users must be able to select text within the app and then copy the text. You need to enable the copy feature. Which code segments should you use? (Each correct answer presents part of the solution. Choose all that apply.)

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: AB


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