Free Microsoft 98-373 Exam Dumps Questions & Answers

An application is navigating to a page on Windows Phone 7.5. You plan to retrieve a large
amount of text from a web service over the Internet.
You need to display the text in a TextBlock without blocking the user interface.
What should you do?

• A.  Create a thread in the Page.Loaded event handler, call DownloadString of the WebClient class, and then marshal the text back to the UI thread by using Dispatcher.Beginlnvoke.
• B.  Set the Source property of the TextBlock in the XAML page to point to the URL of the web service.
• C.  Call the DownloadStringAsync method of the WebClient class in the Page.Loaded event handler.
• D.  Create a thread in the Page.Loaded event handler, call the DownloadStringAsync method of the WebClient class in the thread, and then marshal the text back to the UI thread by using Dispatcher.Beginlnvoke.

Which image file format does Windows Phone use for pictures taken by using the built-in camera application?

• A.  PNG
• B.  BMP
• C.  TIFF
• D.  JPEG

You need to set up your Microsoft Silver!ight application to call an instance of the PhoneNumberChooserTask class when a button is pressed.
What should you do?

• A.  initialize the task in the button's CJick event handler and subscribe to the Completed event handler in the button's Click event handler.
• B.  Initialize the task in the page constructor and subscribe to the Completed event handler in the button's Click event handler.
• C.  initialize the task in the page constructor and subscribe to the Completed event handler in the page constructor.
• D.  initialize the task in the button's Click event handler and subscribe to the Completed event handler in the page constructor.

You are creating an application for Windows Phone. The application must automatically adapt to various screen resolutions and orientations.
Which two container controls should you use? (Choose two.)

• A.  DataGrid
• B.  Tab
• C.  Grid
• D.  StackPanel
• E.  Canvas

In which part of the Model-View-ViewModel (MVVM) environment does data connectivity and algorithm processing occur?

• A.  Controller
• B.  viewModel
• C.  Model
• D.  View