Cloud Computing Fundamentals for Beginners (2026)

Explore cloud migration as moving data and applications from on-premise to the cloud, through assessment, isolation, mapping, re-architecting, augmentation, testing, and optimization, plus deployment, cost reduction, scalability, and data security.

Explore how cloud economics reduces capital and operational costs, enables pay-as-you-go scaling, and improves return on investment through rapid elasticity and disaster recovery.

Explore networking support for cloud computing, including network management, security, authentication, encryption, firewall, IP management, cloud communication management, virtualization, and the use of private and public cloud networks.

Explore cloud computing architecture by examining front-end, internet, and back-end components and how client infrastructure, applications, and storage enable efficient online services.

Explore cloud computing layers from physical hardware to service delivery, including virtual machines, control and orchestration layers that coordinate IaaS, PaaS, and SaaS services.

Explore the cloud reference model and its five components: cloud consumer, cloud auditor, cloud service provider, cloud broker, and cloud carrier. Learn about audits and cloud service management.

Explore cloud types—public, private, hybrid, and community—and how public cloud services like storage, platform, messaging, and application services optimize cost, scalability, and accessibility, with security concerns.

Private cloud operates within an organization to provide secure, controlled access to applications, information, and resources, with internal or external management, delivering security, customization, privacy, compliance, and predictable performance.

Hybrid cloud blends public and private clouds, using on-premise resources to run non-critical tasks in public and critical data privately, offering cost optimization and scalability while risking complexity and latency.

Discover community cloud as a shared digital space for universities to pool resources, tailor solutions, and boost collaboration and efficiency, while navigating governance and resource allocation challenges.

Explore infrastructure as a service, platform as a service, and software as a service, with on demand resources, self service, and evolving responsibilities.

Explore platform as a service, a ready-made development environment that abstracts infrastructure, enables rapid development and deployment, and lets developers focus on code while the provider handles scaling and maintenance.

Explore software-as-a-service as an internet-based, subscription model delivering centralized, managed software accessible anytime, with scalability, quick deployment, collaboration, and security and compliance considerations.

Explore virtualization in cloud computing, defining virtualization, its architecture and hypervisor, and examine application, network, desktop, storage, server, and data virtualization, with benefits and drawbacks.

Virtualization abstracts hardware to create a virtual layer that hides complexities; it enables isolation, resource pooling, encapsulation, and flexibility for running multiple operating systems on one machine.

Explore how hypervisors enable multiple operating systems on a single physical host, using a hotel analogy, and learn about type 1 and type 2 virtualization architectures.

Explore virtualization advantages such as resource efficiency, cost savings, flexibility, isolation, security, and robust disaster recovery. Understand disadvantages including complexity, licensing challenges, hypervisor dependency, performance variability, and limited hardware access.

Explore cloud computing security strategies, covering data encryption in transit and at rest, identity and access management, network security, logging and monitoring, incident response, and regular audits and assessments.

Identify and address risks in cloud security, including data loss, insecure APIs, user account hijacking, vendor lock-in, lack of skilled personnel, and DDoS attacks, to protect sensitive data.

Explore AWS, Google Cloud Platform, and Azure, cloud platforms offering pay-as-you-go infrastructure as a service, platform as a service, and software as a service, with computing power, storage, and databases.

Compare AWS, Google Cloud Platform, and Microsoft Azure to determine the best cloud platform for your needs, exploring strengths, global infrastructure, scalability, and ideal workloads.