According to  Research and market, the cloud computing industry is to grow from $371.4B in 2020 to $832.1B by 2025 at the rate of 17.5%. The growth is unstoppable and the demand for certified professionals has increased more than ever.

The cloud computing services cover a vast range of options — from computing power, databases, networking to storage — typically over the internet and on a pay-as-you-go basis.

AWS offers more than 175+ services as of 2020.

Basics of Cloud Computing

NIST definition of Cloud Computing: Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud model is composed of five essential characteristics, three service models, and four deployment models.

Understand the different service model

Software as a Service(SaaS) — use it

Platform as a Service(PaaS) — build on it

Infrastructure as a Service (IaaS) — migrate to it

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