You are designing a Windows Phone 7 application. You need to recommend ways that users can enter emoticons for a field in the application. Which input scopes should you recommend for the field?

You are designing a Window Phone 7 application that must be accepted by the Windows Phone Marketplace. The application must prompt users to confirm that they want to exit the application if they attempt to leave the main application page. If users do not want to exit the application, the application should return to the main page. You need to ensure that users can leave the application only after they confirm that they want to do so. What should you recommend?

You are designing a Window Phone 7 application that must be accepted by the Windows Phone Marketplace. The application must prompt users to confirm that they want to exit the application if they attempt to leave the main application page. If users do not want to exit the application, the application should return to the main page. You need to ensure that users can leave the application only after they confirm that they want to do so. What should you recommend?

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 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 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 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. 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. The application tracks location over time. You need to retrieve the timestamp associated with the current location. Which class should you recommend?

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?