Microsoft 70-484 : Essentials of Developing Windows Store Apps using C#

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Microsoft Essentials of Developing Windows Store Apps using C# Sample Questions:

1. You are developing a Windows Store app to connect to a server and download files that are larger than 500 MB to the local file system.
You need to recommend a technology to download the files.
Which technology should you recommend? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) web Sockets
B) HTTP Client
C) Background Transfer
D) XML HTTP Request

2. 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) FormsAuthentication
B) WindowsAuthenticationModule
C) WebAuthenticationBroker
D) PassportAuthenticationModule

3. You need to localize the Picture Sharer app in the required language.
Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)

A) Create a resource file named resources.resw.
B) Create a folder named fr-CA at the root of the project.
C) Create a resource file named resources.res.
D) Add a Uid attribute to any XAML elements that must be localized.
E) Create a folder named es-ES at the root of the project.
F) Add a Name attribute to any XAML elements that must be localized.

4. You need to ensure that the app resumes according to the requirements.
Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)

A) Override the OnLaunched event handler.
B) update the user interface by using the Window.Current.Dispatcher.Invoke() method in the App_Resuming event handler.
C) Update the user interface by using the Window.Current.Dispatcher.Invoke() method in the OnLaunched event handler when the ActivationKind is Launch.
D) Retrieve new user content by using the Window.Current.Dispatcher.ProcessEvents()
method in the App_Resuming event handler.
E) Register the App_Resuming event handler for the Resuming event.
F) Retrieve new user content by using the Window.Current.Dispatcher.ProcessEvents() method in the OnLaunched event handler when the ActivationKind is Launch.

5. 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.)

Solutions: