Cloud Computing Essentials

discover the fundamentals and evolution of cloud computing, its characteristics, the providers and service types offering cloud solutions, along with common cloud models.

Explore what cloud computing means, from storing data and software remotely to delivering services over the internet. See how it reduces hardware needs, lowers maintenance, and charges by usage.

Explore the evolution of cloud computing, from public utility ideas to on-demand storage, computing power, and development environments, with cloud-based services like the army, Facebook, Twitter, and online data backups.

Explains cloud architecture with reliable servers and storage, open standards and open source software, client access to cloud applications, and Cirrus cloud storage that is loosely coupled with data operations.

Explore cloud characteristics that enable device- and location-independent access, global redundancy for disaster recovery and business continuity, on-demand scalability, sustainable resource use, and robust security with encryption and access controls.

Explore public, private, hybrid, and community clouds, each defined by access, control, and usage models. See how scalability, cost effectiveness, security, and shared resources determine their fit for different enterprises.

Learn about the four cloud models: infrastructure as a service, platform as a service, software as a service, and serverless computing, and how they provide on-demand resources.

Learn the basics of Amazon cloud computing, including on-demand, pay-as-you-go access to computing, storage, and databases from AWS, and explore AWS services, security, and the management console.

Explore Microsoft Azure’s services, from virtual machines to bots and mixed reality, manage your subscription via Azure portal and command-line tools, and get $200 credit in the first 30 days.

Explore IBM Cloud's secure public cloud platform and its next generation hybrid multi-cloud architecture, with access to 40 free products and support for internet of things.

Explore Google Cloud basics, using the Google Cloud console to manage projects and resources through a graphical interface and access over 90 IT services for businesses, IT professionals, and developers.

Explore Alibaba Cloud computing, understand its status as a subsidiary of Alibaba Group, and review Alibaba Cloud's products and services for data and big data, network security, analytics, and media.

Explore the comparison of IaaS, PaaS, and SaaS in cloud computing, examining on-demand resources, web-based access, and third-party managed applications for scalable, cost-effective solutions.

Learn the essential concepts of cloud computing, including its characteristics, major cloud providers, and the four types of cloud computing services.