Definition
Infrastructure refers to the fundamental physical and virtual components that support an organization's information technology operations. This includes hardware like servers and networking equipment, software such as operating systems and databases, and the underlying facilities and services necessary for their function. In practice, infrastructure enables the deployment, management, and scaling of applications and data, forming the backbone of all digital services. Understanding infrastructure is crucial for IT professionals to ensure reliability, security, and efficiency in their technology environments. For example, a cloud-based server farm with its associated network connections and storage arrays constitutes IT infrastructure. It is distinct from the applications that run on it, which are built upon the infrastructure. Concepts of infrastructure are tested across various IT certifications including CompTIA Security+, AWS Certified Solutions Architect, and PMP.