IIS 4 (Internet Information Server) is Microsoft's premier web server. It includes WWW service, File Transfer Protocol service (FTP), Simple Mail Transfer Protocol service (SMTP) that allows email transfers, and Network News Transfer Protocol (NNTP) service that allows you to set up news groups. IIS 4 gives you many options, such as a certificate server, an index server that allows search options, a site server express that helps in analyzing a site, and a transaction server that provides secure connections. In Virtual Training Company's tutorial, author Louis DiPaola uses the sample web site that can be installed with IIS 4 to better explain how the system works. He first teaches you how to install the option pack, and then thoroughly explains the many server options in great detail. He even goes over some helpful tips for taking the Microsoft certification test. You can start learning immediately by clicking one of the topics below.