Definition
Concepts represent fundamental ideas and principles within technology that are essential for building, operating, and securing systems. These concepts form the building blocks of IT knowledge, explaining why certain technologies exist and how they function. Understanding concepts allows professionals to effectively apply technical knowledge to real world scenarios and make informed decisions. For instance, the concept of least privilege dictates that users and systems should only have the minimum necessary permissions to perform their tasks. This differs from specific tools or commands, which are implementations of broader concepts. You will encounter concepts across many IT certifications, including CompTIA Security+, Network+, and AWS Certified Solutions Architect Associate.