NVIDIA Deep Learning Institute's AI Infrastructure and Operations Fundamentals is the self-paced course NVIDIA recommends on the NCA-AIIO certification page. It takes around seven hours, is priced at $50, and comes straight from the vendor that writes the exam, with DLI course materials available for up to 12 months.
DLI teaches the material but, as far as we found, offers no baseline diagnostic, readiness score or adaptive plan. NVIDIA's certification pages provide sample questions in Learning Mode and courses include assessments, not full NCA-AIIO mock exams.
Edureify adds the readiness layer: a Diagnostic across AI infrastructure, essential AI knowledge and operations, a roadmap that rebalances as you practice, and a Readiness Score that predicts your NCA-AIIO ready-by date.