Infrastructure as a Service (IaaS) is a form of cloud computing that provides virtualized computing resources over the internet. Coursera's IaaS skill catalogue teaches you about this scalable and automated computing infrastructure. You'll delve into the fundamentals of IaaS, exploring its key characteristics, service models, and deployment models. You will learn to effectively use and manage virtual machines, storage, and networks, as well as understanding crucial aspects of cloud security, scalability and disaster recovery functionalities. The knowledge gained will equip you to make informed decisions for deploying and managing applications and services within an IaaS environment.