You are developing a Windows Store app.
The main page of the app contains a canvas container that has five TextBox controls and three
Button controls. The visibility of the buttons changes according to the data entered in the TextBox
controls.
You need to ensure that the buttons slide into place when their Visibility property is set to true.
What should you add?

DRAG DROP
You are developing a Windows Store app.
The app will download files from the Internet.
You already have a method that downloads files. The method has the following signature:

Which code segments should you insert at lines 01 and 04? (To answer, drag the appropriate code
segments to the correct locations. 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.)

You are developing a Windows Store app that will provide users with the ability to perform price
comparisons between online retailers.
You build a user interface (UI) that has a button. The button is used to perform the price
comparisons.
You write an event handler that contains the following code:

You need to ensure that once the button is clicked, the button is disabled until the comparison
completes. The solution must prevent the app from blocking access to the UI.
Which code segment should you insert at line 07?

You are developing a Windows Store app that beeps when a device is turned upside down.
You need to identify which type of sensor to use for the app.
Which sensor should you identify?

You are developing a Windows Store app that accesses a USB Human Interface Device (HID). The app
has a default page and a settings page.
You need to ensure that when a user connects the USB device, the app starts automatically and
opens the settings page.

Which two actions should you perform? (Each correct answer presents part of the solution. Choose
two.)

You are developing a Windows Store app that targets customers who travel frequently.
The app allows users to record audio and video files and save them to their local devices.
You have the following traveler-friendly requirements:
The audio and video files must be shorter than three minutes in duration.
The app must finalize recording automatically when the time limit is reached.
You cannot use continuous polling to test when the time limit is reached.
You need to ensure that the app meets the requirements.
What should you do?

You are developing a Windows Store app.
You need to recommend a solution to handle exceptions thrown by the XAML Framework.
What should you recommend?

You are developing a Windows Store app.
The app will support multiple languages. The app has a page named MainPage. The resource file of
the page is named MainPage.resw and is located in a folder named /Resources/en-us/.
MainPage.resw contains the data shown in the following table.

You need to parameterize a TextBlock control by using the data in the resource file.
Which XAML markup should you use?

You are developing a Windows Store app.
The app will store user names and passwords by using Windows Azure.
You need to recommend a method to store the passwords. The solution must minimize the
likelihood that the passwords will be compromised.
Which algorithm should you recommend using?

You are developing a Windows Store app to view MP4 videos.
You need to ensure that when a user double-clicks an MP4 file, the app starts and plays back the
video automatically.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose
two.)