Which of the following is the Microsoft IIS Server running, handling ASP.Net requests among other things?

194.

aspnet_isapi.dll

aspnet_wp.exe

inetinfo.exe

w3wp.exe

If your Web site serves up ASP.NET Web pages, IIS has mapped the .aspx to aspnet_isapi.dll, an ISAPI extension that starts off the process of generating the rendered HTML for the requested ASP.NET Web page.