The video tutorial introduces cloud computing service models, focusing on Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). It compares traditional on-premises setups with cloud infrastructure, highlighting the role of cloud service providers in offering resources and billing customers based on usage. The tutorial explains how organizations can provision assets into different service models according to their needs.

Explain the concept of 'pay as you go' in cloud services.

What factors determine the cloud services and resources an organization employs?