Summary
In this chapter, we explained cloud computing types and the evolution of cloud computing over time with a focus on the public cloud and Microsoft Azure. The next step was to explain the public cloud service model and how IaaS, PaaS, and SaaS work and the basic concepts of these public cloud types. You should also understand how Azure subscription works, how prices of resource are calculated, and basic administration concepts in relation to Azure subscriptions and the ARM model. We provided more information on ARM in general, and how it's connected to RBAC and ARM templates.
Understanding Azure subscriptions and ARM templates along with IaaS and PaaS in Azure is very important, as we'll use this knowledge in chapters to come.
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