The slide's answer is faulty, which is obvious from the explanation in Essential details on the same slide as the answer (#38):
IIS (Internet Information Services) is a part of Windows Server that delivers content such as web pages by using HTTP over the World Wide Web.
• IIS provides functionality essential for deploying ASP.NET web applications.
• IIS also supports other server-side scripting, such as PHP.
From this it is clear that the correct answer is indeed c
and that this was an error in the Answers section.