Microsoft Designing and Developing Windows Phone Applications Set 4

A Microsoft Windows Communication Foundation (WCF) service is hosted on a web server. You need to recommend the binding that can be used to access the WCF service from a Windows Phone 7 application. Which binding should you recommend?

You are designing a Windows Phone 7 application. The application tracks location over time. You need to retrieve the timestamp associated with the current location. Which class should you recommend?

You are designing a Windows Phone 7 application that consists of a single XAML page. A rectangle that is hidden within the page appears as a result of a user action. You need to ensure that the rectangle is hidden and the application remains open when the user presses the Back key. Which code segment should you use 

You are designing a Windows Phone 7 application that receives data from a third-party RESTful service. The data is in JSON format. You need to recommend a way to consume the service. What should you recommend?

You are designing a Windows Phone 7 application. The application must continually perform calculations and update the UI while a user is interacting with the application. You need to ensure that the UI is always able to respond to user input. Which actions should you perform? (Each correct answer presents part of the solution. Choose all that apply.)

You are designing a Windows Phone 7 application that includes data entry functionality. The application will require data to be saved when users exit the application. The data must be available in the application regardless of how the application is exited and re-entered. You need to recommend a way to ensure the availability of user data. What should you recommend?

You are designing a Windows Phone 7 application. If a user receives a phone call while the application is running, the application loses some input when the user returns to the application after completing the phone call. You need to update the application so it restores user input when the application is resumed, but not when the application is restarted. Which option should you recommend for saving user input?

You are designing a solution that includes a Windows Phone 7 application and server-based data. The application must alert the user when new data is available on the central server. You need to recommend a strategy that presents notifications on a device whether the application is running or not running. Which notification solution should you recommend?

You are designing a Windows Phone 7 application that has a Live Tile. You need to ensure that the Live Tile is updated every hour until the user unpins it. Which code segment should you recommend?

You are designing a Windows Phone 7 application that requires push notifications. You need to ensure that the application is programmed to receive and handle raw notifications. What should you recommend?