MLS-C01: AWS Machine Learning Specialty
Browse certifications
Exam Resources
Official learning paths, exam details, skills measured, and community resources to supplement your study.
About the MLS-C01 Exam
Build, train, and deploy ML models on AWS
Master AWS machine learning — SageMaker, built-in algorithms, data engineering, feature engineering, model evaluation, MLOps, and AI services for end-to-end ML workflows.
Who Should Take This Exam?
The MLS-C01 is designed for professionals specialising in a focused domain. Prior certification or equivalent experience recommended.
Typical study time: 6-10 weeks of focused study
Exam Quick Facts
| Detail | Value |
|---|---|
| Exam Code | MLS-C01 |
| Title | AWS Machine Learning Specialty |
| Duration | 170 minutes |
| Questions | 65 |
| Pass Score | 750 / 1000 |
| Cost | $300 USD |
| Provider | Pearson VUE / PSI |
| Validity | 3 years |
| Question Types | Multiple choice, Multiple response |
Exam Domains & Weights
The MLS-C01 exam covers 4 domains. Focus your study time based on the weights below — higher-weighted domains have more exam questions.
| Domain | Weight | Practice Qs |
|---|---|---|
| Data Engineering | 20% | 40 |
| Exploratory Data Analysis | 24% | 48 |
| Modeling | 36% | 72 |
| Machine Learning Implementation and Operations | 20% | 40 |
| Total | 100% | 200 |
💡 Study tip: Modeling carries the most weight (36%) — start there. Data Engineering has the least (20%), but don’t skip it — exam questions can come from any domain.
Practice Exam — 200 Questions
Prepare for the MLS-C01 with our 200-question practice exam covering all 4 exam domains. Every question includes detailed explanations and maps to official exam objectives.
What you get:
- ✅ Exam simulation mode with timer
- ✅ Spaced repetition for weak areas
- ✅ Detailed explanations for every question
- ✅ Progress tracking across domains
- ✅ 20 free questions — no account needed
AWS Certification Path
AWS certs follow: Foundational → Associate → Professional, plus Specialty tracks. Cloud Practitioner is the recommended starting point.
Related AWS Certifications
If you’re studying for the MLS-C01, you might also be interested in these AWS certifications:
- AIF-C01: AWS AI Practitioner — 200 practice questions
- DAS-C01: AWS Data Analytics Specialty — 200 practice questions
- DBS-C01: AWS Database Specialty — 200 practice questions
- DEA-C01: AWS Data Engineer Associate — 200 practice questions
- DVA-C02: AWS Developer Associate — 200 practice questions
Study Tips
- Start with the heaviest domain — focus your time where the exam focuses its questions
- Use our practice exam — try the 20 free questions first to gauge your readiness
- Review explanations — don’t just check if you got it right; read why each answer is correct
- Simulate exam conditions — use the timed exam mode to practice under pressure