NVIDIA-Certified Associate: Generative AI LLMs (NCA-GENL)

NVIDIA-Certified Associate: Generative AI LLMs (NCA-GENL) is NVIDIA's foundation-level GenAI credential, testing general LLM/ML knowledge and applied practice, not NVIDIA's proprietary serving software specifically. Five domains: Core Machine Learning and AI Knowledge (30%), Software Development (24%), Experimentation (22%), Data Analysis and Visualization (14%), and Trustworthy AI (10%). 50-60 multiple-choice questions, 1 hour, online proctored, $125 fee, valid 2 years.

This exam is given in English only.

Owner: NVIDIA · Read: · Source: NVIDIA-Certified Associate: Generative AI LLMs

Exam fee at last check: $125, per the vendor. The official objectives are at www.nvidia.com/en-us/learn/certification/generative-ai-llm-associate/. Verified 2026-10-25.

Practice is free. The full analysis adds the right answer, the explanation and the source for every question, readiness by domain and a study plan, for one payment.

Answer the first question

Timed mock · Where you stand

How the NVIDIA-Certified Associate: Generative AI LLMs (NCA-GENL) exam is weighted
  1. Core Machine Learning and AI Knowledge30%
  2. Software Development24%
  3. Experimentation22%
  4. Data Analysis and Visualization14%
  5. Trustworthy AI10%

Source: Vendor exam objectives. Checked 2026-10-25. Bar length is relative to the heaviest domain; the figure beside each name is the published weight.

What's on the exam

Core Machine Learning and AI Knowledge 30%

The largest domain: ML fundamentals, building LLM applications (RAG, chatbots), prompt engineering, and model deployment/scalability considerations.

  • ML fundamentals: feature engineering, model comparison, cross-validation
  • Building LLM applications: RAG, chatbots, summarizers, dataset curation and embeddings for RAG
  • Prompt engineering principles and sampling parameters (temperature, top-p, top-k)
  • Fine-tuning approaches: full fine-tuning vs parameter-efficient methods (LoRA, QLoRA)
  • Model deployment, scalability, performance, and reliability evaluation

Primary sources: NVIDIA NCA-GENL certification page, Lewis et al.: Retrieval-Augmented Generation (NeurIPS 2020)

Software Development 24%

Python libraries for NLP and LLM work, identifying the right system components for a given use case, and monitoring software processes in production.

  • Python NLP packages: spaCy, NumPy, and vector database client libraries
  • Identifying system components for user needs: embedding models, vector databases, LLMs, orchestration
  • Building LLM use cases and integrating them into existing software systems
  • Monitoring data collection and software processes for deployed AI applications

Primary sources: NVIDIA NCA-GENL certification page, spaCy documentation

Experimentation 22%

Designing and interpreting experiments to compare prompts, models, and configurations, including A/B testing and statistical significance.

  • A/B testing and controlled experiment design for prompt and model comparisons
  • Statistical performance metric comparison, and recognizing when a difference may not be statistically significant
  • Zero-shot testing and prompt evaluation methodology
  • Interpreting experimental results to inform product decisions

Primary sources: NVIDIA NCA-GENL certification page

Data Analysis and Visualization 14%

Extracting insights from data and communicating them clearly, including identifying relationships and trends.

  • Data mining and visualization techniques for extracting insights
  • Creating visualizations (time-series charts, scatter plots) to convey analysis results
  • Identifying relationships, trends, and influencing factors in data before drawing conclusions

Primary sources: NVIDIA NCA-GENL certification page

Trustworthy AI 10%

The smallest domain but a required one: ethical principles, privacy/consent, and bias minimization in AI systems.

  • Ethical principles of trustworthy AI
  • Balancing data privacy and consent when reusing data (e.g., for fine-tuning)
  • Minimizing bias in AI systems: auditing outcomes across demographic variations

Primary sources: NVIDIA NCA-GENL certification page

Exam-day strategy

Core Machine Learning and AI Knowledge is 30% of the exam, the largest single domain. Make sure ML fundamentals (feature engineering, cross-validation) are as solid as your LLM-specific knowledge.

Software Development (24%) and Experimentation (22%) together are nearly half the exam. Do not over-focus on LLM trivia at the expense of general Python/ML software practice and experiment design.

This exam tests general LLM and ML knowledge, not NVIDIA's own serving software (Triton, TensorRT-LLM, NeMo) by name. Do not over-invest in NVIDIA-specific tool trivia; it is not confirmed on the current blueprint.

For experimentation questions, watch for the 'small sample size, do not declare a winner yet' pattern; it is tested more than once.

Trustworthy AI is only 10% of the exam but is a required domain; do not skip it entirely just because it is the smallest.

Pace at roughly 60-70 seconds per question across 50-60 questions in the 1-hour window.

How to prepare for NVIDIA-Certified Associate: Generative AI LLMs (NCA-GENL)

  • EVIDENCE-BACKEDPractice in the same format as the exam. How well practice matches the final test shapes how much it helps. (Yang et al., 2021)
  • EVIDENCE-BACKEDStart practice questions in week one, even on topics you have not studied. Failed attempts before seeing the answer still helped learning. (Kornell et al., 2009 and others)
  • EVIDENCE-BACKEDSpace your reviews over weeks instead of cramming the week before. (Cepeda et al., 2006 and others)
  • PLAUSIBLEDivide the minutes by the questions before you start, and keep a margin for a second pass if the exam allows one. (Sound arithmetic; no study compared time budgets on a licensing exam.)
Why this works

EVIDENCE-BACKED At least one peer-reviewed study or official source found the effect or states the fact. A study can be small.

PLAUSIBLE Reasonable and partly studied, but not tested on exams, or the results are mixed.

Practice that matches the final test format works better than practice that does not.

Failed attempts before seeing the answer still improved later learning of the material asked about; the benefit for material not asked about was virtually nil.

Spacing beat massing across hundreds of experiments and beat cramming with flashcards; combined with retrieval it raised scores on a real high-stakes exam.

Sound arithmetic; no study compared time budgets on a licensing exam.

Sources

  • Yang, C., Luo, L., Vadillo, M. A., Yu, R., & Shanks, D. R. (2021). Testing (quizzing) boosts classroom learning: A systematic and meta-analytic review. Psychological Bulletin, 147(4), 399-435. doi.org/10.1037/bul0000309
  • Kornell, N., Hays, M. J., & Bjork, R. A. (2009). Unsuccessful retrieval attempts enhance subsequent learning. Journal of Experimental Psychology: Learning, Memory, and Cognition, 35(4), 989-998. doi.org/10.1037/a0015729
  • Richland, L. E., Kornell, N., & Kao, L. S. (2009). The pretesting effect: Do unsuccessful retrieval attempts enhance learning? Journal of Experimental Psychology: Applied, 15(3), 243-257. doi.org/10.1037/a0016496
  • St. Hilaire, K. J., Chan, J. C. K., & Ahn, D. (2024). Guessing as a learning intervention: A meta-analytic review of the prequestion effect. Psychonomic Bulletin & Review, 31(2), 411-441. doi.org/10.3758/s13423-023-02353-8
  • Cepeda, N. J., Pashler, H., Vul, E., Wixted, J. T., & Rohrer, D. (2006). Distributed practice in verbal recall tasks: A review and quantitative synthesis. Psychological Bulletin, 132(3), 354-380. doi.org/10.1037/0033-2909.132.3.354
  • Kornell, N. (2009). Optimising learning using flashcards: Spacing is more effective than cramming. Applied Cognitive Psychology, 23(9), 1297-1317. doi.org/10.1002/acp.1537
  • Kang, S. H. K. (2016). Spaced repetition promotes efficient and effective learning: Policy implications for instruction. Policy Insights from the Behavioral and Brain Sciences, 3(1), 12-19. doi.org/10.1177/2372732215624708
  • Janes, J. L., Dunlosky, J., Rawson, K. A., & Jasnow, A. (2020). Successive relearning improves performance on a high-stakes exam in a difficult biopsychology course. Applied Cognitive Psychology, 34(5), 1118-1132. doi.org/10.1002/acp.3699

Additional resources

Explore Related Cybersecurity Resources

DecipherU is independent of NVIDIA. NVIDIA-Certified Associate: Generative AI LLMs (NCA-GENL) is a trademark of NVIDIA. DecipherU is not endorsed by, sponsored by, or affiliated with any certifying body.