CompTIA Network+ Guide: Key Cloud Computing Concepts Explained

A new study guide aligned with CompTIA Network+ objectives breaks down essential cloud computing concepts for networking professionals. It covers virtualization technologies such as Network Functions Virtualization (NFV) and Virtual Private Clouds (VPCs), explaining how they replace physical hardware and isolate customer environments. The guide outlines three main cloud deployment models — public, private, and hybrid — detailing their characteristics and ideal use cases. It also describes the three core cloud service models: IaaS, PaaS, and SaaS, distinguishing the responsibilities shared between providers and customers. Connection methods including site-to-site VPNs and dedicated interconnects like AWS Direct Connect are also examined as ways organizations securely link on-premises networks to cloud environments.