Online Access Free 70-491 Exam Questions

DRAG DROP
You need to meet the app caching requirements.
Which caching technique should you use in each scenario? (To answer, drag the appropriate technique to the correct scenario. Each technique 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.)

Correct Answer:

Business Requirements
The app must enable users to perform the following tasks:
--- ----
Define a feed title.
Define a list of RSS feeds that the users want to subscribe to.
View information about topics that are popular on the users' selected social
networks.
Share content that is aggregated by the app.
Search aggregated content by using only the Search charm.
Share RSS feed content by using the Share charm.
Display general help information by using the Settings charm.
The app must list the name of each social network to which the user subscribes. The app must indicate whether the user is authenticated to that social networking site.
The available data sources will be expanded to include JSON data from a third-party social networking site that is hosted by Litware, Inc. An SSL connection to the Litware social
network is available. ---
Technical Requirements
The app has the following technical requirements:
Retrieve user data from the social network services by using the authentication
credentials.
When making an HTTP request for content, read all content prior to acting on the
response.
When SSL is available, use SSL to retrieve data from social network providers.
The code that is used to retrieve data from RSS feeds must be reusable.
The app must display the information about the user's social network subscriptions in a layout control. The app must display authentication screens from the social networking sites when an authentication screen is available.
The custom XAML code that was provided by the design team must be available for all ListView controls in the app.
Data from the FeedRetriever class must be presented in a data control.
Two developers will create the SocialRetriever class, with the following assignments: - Developer1 must update methods for getting data. - Developed must implement three new methods for exposing data to the user
interface.
All methods must be self-contained and must not affect other methods in the SocialRetriever class. Multiple developers must not work in the same file at the same time.
NewsItem.cs

NewsSource.es FcedRetriever.es


SocialItem.es SocialSources.cs


SocialRetriever.es

HOTSPOT
You are developing a Windows Store app.
You need to encrypt data.
How should you complete the code segment? (To answer, select the appropriate line of
code from each drop-down list in the answer area.)

Correct Answer:

DRAG DROP
You add a MediaElement named VideoTour and a button named playToButton to the
properties details page.
You need to ensure that video tours can be played to other devices.
You have the following code: (Line numbers are included for reference only.)

Which elements should you include in Target 1, Target 2 and Target 3 to complete the code? (To answer, drag the appropriate elements to the correct targets in the answer area. Each element 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.)

Correct Answer:

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?

• A.OneDrive
• B.A roaming folder
• C.Microsoft Azure Mobile Services
• D.Microsoft Azure Content Delivery Network (CDN)

HOTSPOT
You plan to develop several Windows Store apps.
You plan to use a CheckBox control in all of the apps. The CheckBox control will use a custom visual display.
You create XAML markup to customize the control. The code contains all of the necessary visual components for the control, including elements named checkedGlyph and indeterminateGlyph.
You need to ensure that the check box meets the following requirements:
- If a value for the check box was NOT set, the check box must display
indeterminateGlyph.
- When the check box is selected, the check box must display checkedGlyph.
- If the check box is cleared, the check box must NOT display any glyphs.
You have the following XAML markup: Which code snippets should you insert in Target 1, Target 2, Target 3, Target 4, Target 5 and Target 6 to complete the XAML markup? (To answer, select the correct code snippet from each drop-down list in the answer area.)

Correct Answer: