The Web Server Layer

Besides the WebServer, Http, and HttpPost tests that have already been dealt with in Chapter 2 of this document, the Web Server layer of an IIS web server (see Figure 1), is additionally mapped to an IIS Web Transactions test, an IIS Web Cache test, an IIS Web Sites test, an IIS ApplicationPools test, a Windows Process Activation Service test, and a Worker Processes Statistics test. 

Figure 1 : Tests associated with the Web Server layer