Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
Microsoft Ajax Content Delivery Network hosts popular third party JavaScript libraries such as jQuery and enables you to easily add them to your web applications.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.