You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.  
The application requires frequent updates. 
You want to use the ClickOnce technology to distribute the application to Internet users.  
You need to ensure that the application is automatically updated without requiring user intervention. 
You also need to ensure that the users execute the most recent version of the application. 
What should you do when you publish the application?  （）

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. 
You plan to use a PresentationTraceSources object when the application is executed by users. 
When the application is executed in a test environment, all debug information is successfully captured. 
You need to be able to capture debug information when the application is deployed. 
What should you do?（）