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Cloud Computing Explained Without the Jargon
A plain-language first look at what the cloud is, how it works behind the scenes, and why organizations rent computing instead of owning every machine.
Systems and Infrastructure
Core cloud ideas, service types and everyday cloud decisions.
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A plain-language first look at what the cloud is, how it works behind the scenes, and why organizations rent computing instead of owning every machine.
Object, block and file storage explained simply, with examples of what each kind suits and questions to ask when choosing between them.
The three common cloud service layers side by side: what IaaS, PaaS and SaaS mean, who manages what in each, and how to think about choosing among them.
How dependence on a single cloud provider builds up, why it is not always bad, and practical, realistic ways to keep your options open.
Public, private, hybrid and multi-cloud deployment models explained in plain terms, with the main trade-offs in control, cost, effort and flexibility.
What serverless computing means, how functions and events work, where it fits well, and the common misunderstandings about servers, cost and control.
How cloud security duties are split between provider and customer, how the split changes by service type, and the mistakes that cause most exposures.
The common drivers of cloud spending, why bills often come in higher than expected, and practical habits that keep costs visible and under control.
A plain explanation of software containers, how they compare with virtual machines in size, speed and isolation, and when each is a sensible choice.
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