单项选择题 You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  You plan to monitor the execution of the application at daily intervals.  You need to modify the application configuration to enable WebEvent monitoring.  What should you do？（）

多项选择题 You create a Microsoft ASP.NET Web application by using the Microsoft .NET Framework version 3.5.  When you review the application performance counters， you discover that there is an unexpected increase in the value of the Application Restarts counter. You need to identify the reasons for this increase.  What are three possible reasons that could cause this increase？（）

多项选择题 You create a Microsoft ASP.NET Web application by using the Microsoft .NET Framework version 3.5.  When you review the application performance counters， you discover that there is an unexpected increase in the value of the Application Restarts counter. You need to identify the reasons for this increase.  What are three possible reasons that could cause this increase？（）