AWS MLA-C01 Guide: Machine Learning Engineer Associate

AWS MLA-C01 exam guide covering ML data prep, model development, deployment, operations, and security decisions.

This guide targets AWS Certified Machine Learning Engineer - Associate (MLA-C01), AWS’s current associate-level certification for people who build, operationalize, deploy, and maintain ML solutions and pipelines on AWS. The exam rewards practical operational judgment about data preparation, model choice, SageMaker workflows, deployment targets, observability, and the controls that keep ML systems reliable after launch.

MLOps: The deployment, monitoring, versioning, and lifecycle discipline that keeps machine-learning systems reliable after training.

Feature Store: Managed place to store and serve engineered features consistently for training and inference workflows.

At a glance

Exam fact Current official value
Level Associate
Duration 130 minutes
Format 65 questions across multiple-choice, multiple-response, ordering, and matching items
Passing score 720 scaled score
Validity 3 years
Typical next step deeper MLOps, SageMaker, or domain-specific AWS ML work after the associate operational baseline is solid

AWS currently positions MLA-C01 for people with at least one year of experience using Amazon SageMaker and related AWS ML services. The current exam guide breaks the scored content into four weighted domains, and this online guide now follows that structure directly:

How to use this guide

  1. Start with the study plan if you want a paced route through the four weighted chapters.
  2. Work the chapters in order, starting with 1. Data Prep and 2. Model Dev.
  3. Use the cheat sheet for high-confusion endpoint, pipeline, monitoring, and rollback choices after the chapter logic is clear.
  4. Use the cheat sheet when data, training, deployment, monitoring, and rollback decisions start to blur.
  5. Work through the sample questions to practice ML engineering decision prompts with full explanations.
  6. Use the glossary when operational ML terms start to blur together.
  7. Use the resources page for the official exam guide, SageMaker references, and primary AWS prep sources.
  8. Use the faq when you want candidate-fit, readiness, and exam-day guidance.

Coverage map against the current exam guide

What strong answers usually do

  • separate training, deployment, monitoring, and governance as distinct lanes
  • choose the SageMaker or AWS service that matches the operational constraint, not just the model type
  • balance latency, cost, scaling, and rollback safety when choosing inference patterns
  • treat security, network placement, encryption, and observability as core parts of the solution

Review flow

    flowchart LR
	  A["Data prep and feature handling"] --> B["Training and evaluation"]
	  B --> C["Registry, pipelines, and deployment"]
	  C --> D["Monitoring, drift, and rollback"]
	  D --> E["Security and cost controls"]

Best fit for this guide

If you are coming from… Bias your review toward…
data science deployment, monitoring, and MLOps controls
DevOps or platform engineering SageMaker service fit, model lifecycle, and ML-specific monitoring
future deeper AWS ML path use this as the operational bridge after AIF-C01

If two answers both sound right

For MLA-C01, the better answer is usually the one that stays in the ML engineering lane:

  • choose the option that improves data quality, deployment fit, or monitoring quality before a more abstract research-heavy answer
  • choose the option that matches the stated latency, cost, throughput, or rollback constraint
  • choose the option that makes the workflow repeatable and observable, not just technically possible

In this section

Revised on Sunday, May 10, 2026