AWS MLA-C01 Exam Questions 2025

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Get ready for the AWS Certified Machine Learning – Specialty (MLA-C01) exam using Cert Empire’s up-to-date Exam Questions. Verified by AWS experts and supported with accurate answers and a practical online simulator, they help you study efficiently and pass with ease.

 

About MLA-C01 Exam

AWS MLA-C01: AWS Certified Machine Learning

What is AWS MLA-C01?

The AWS Certified Machine Learning – Specialty (MLA-C01) exam is an advanced-level certification from Amazon Web Services. It validates a candidate’s expertise in building, training, tuning, and deploying machine learning (ML) models on AWS. Unlike entry-level certifications, this exam goes deep into both machine learning theory and practical AWS service implementation. Candidates are tested on their ability to apply machine learning to solve business problems using services like Amazon SageMaker, Amazon Rekognition, and other AI/ML tools within AWS.

Who Should Take This Exam?

The AWS MLA-C01 exam is intended for professionals who already work with data, analytics, and ML solutions.

Typical candidates include:

  • Machine Learning Engineers who design, train, and optimize ML models.
  • Data Scientists who apply statistical methods and ML techniques to large datasets.
  • Data Engineers who prepare, transform, and manage data pipelines for ML workflows.
  • AI/ML Developers building intelligent applications with AWS services.
  • Solutions Architects specializing in AI/ML solutions on the cloud.

Experience level:

This exam is designed for mid to senior-level professionals with 2+ years of practical experience in machine learning and hands-on work with AWS AI/ML services.

Prerequisites and Recommendations

Official prerequisites (by AWS):

  • No mandatory certifications are required before attempting MLA-C01.

Practical recommendations:

  • Experience: At least 2 years of hands-on experience designing and implementing ML or deep learning solutions on AWS.
  • Prior certifications: It is highly recommended (but not required) to first earn AWS Certified Solutions Architect – Associate or AWS Certified Data Analytics – Specialty.

  • Skills to have:

    • Strong understanding of ML algorithms, supervised/unsupervised learning, and deep learning concepts.
    • Proficiency in Python and ML frameworks like TensorFlow, PyTorch, or MXNet.
    • Ability to select the right AWS service (SageMaker, Rekognition, Comprehend, Translate, etc.) for given ML use cases.
    • Knowledge of data engineering concepts such as ETL, data wrangling, and feature engineering.

Exam Objectives and Domains

The AWS MLA-C01 exam measures knowledge across four primary domains.

Domain 1: Data Engineering (20%)

  • Collecting and preparing data for ML solutions.
  • Implementing data pipelines with AWS Glue, Kinesis, and S3.
  • Applying data cleaning and feature engineering best practices.

Domain 2: Exploratory Data Analysis (24%)

  • Visualizing and analyzing datasets to detect biases and anomalies.
  • Identifying the right statistical methods for data insights.
  • Selecting appropriate features for ML models.

Domain 3: Modeling (36%)

  • Choosing the right ML algorithm for a business problem.
  • Training and optimizing ML models in Amazon SageMaker.
  • Applying hyperparameter tuning for model performance.
  • Handling model evaluation metrics (accuracy, precision, recall, F1, etc.).

Domain 4: Machine Learning Implementation and Operations (20%)

  • Deploying ML models using Amazon SageMaker endpoints.
  • Monitoring and scaling ML models in production.
  • Automating retraining, versioning, and pipeline management.
  • Securing ML workflows with IAM, encryption, and governance.

What Changed in This Version (MLA-C01 vs Previous)?

The latest MLA-C01 includes updated AWS service coverage and refreshed domain weighting compared to the older MLS-C01:

  • New topics added: SageMaker Autopilot, SageMaker Pipelines, and AI services like Amazon Kendra.
  • Greater focus on MLOps and deployment practices.
  • Less focus on purely theoretical ML algorithms (now balanced with practical AWS implementations).
  • Weight shift: Modeling remains the heaviest domain, while data engineering now carries slightly less weight.

Registration and Scheduling

  • Register through the AWS Training and Certification portal or Pearson VUE/PSI exam providers.
  • Available in multiple languages, including English, Japanese, Korean, and Simplified Chinese.
  • Offered both online proctored and test center formats.

Pricing and Vouchers

  • Cost: $300 USD (standard pricing).
  • Regional variations: Local taxes or exchange rates may slightly affect the final cost.
  • Discounts:
    • Students with a verified academic email may receive a 50% discount voucher through AWS Educate.
    • AWS sometimes provides promotional vouchers during training events.
    • Military and veterans may qualify for regional discount programs

Policies You Should Know

  • You must wait 14 days before retaking a failed exam.
  • Results are valid for 3 years.
  • Identification: Two forms of government-issued ID may be required.
  • Online exams require a quiet, private environment with webcam monitoring.

Scoring and Results

  • Score range: 100 – 1,000.
  • Passing score: 750.
  • AWS uses a scaled scoring system (different questions carry different weights).
  • Partial credit: Not officially given; questions are graded as correct or incorrect.
  • Result delivery: Preliminary pass/fail is shown immediately; detailed score report is available within 5 business days in the AWS Certification account

Exam Day and Test Experience

  • On-site proctoring: Arrive early with IDs; personal items stored in lockers.
  • Online proctoring: Room scan required, webcam must remain on, no breaks unless stated
  • Allowed items: No notes, phones, or devices. A digital whiteboard is provided for calculations.
  • Interface tips: Flag questions for review, manage time carefully (65 questions in 170 minutes).
  • Time management advice: Spend about 2 minutes per question, leaving time to review marked items

Study Plan and Resources

For Beginners (12 weeks):

  • Weeks 1–2: Review ML basics (algorithms, supervised vs unsupervised, bias/variance trade-off).
  • Weeks 3–4: Learn AWS ML services (SageMaker, Rekognition, Comprehend).
  • Weeks 5–6: Practice data engineering with Glue, S3, and Kinesis.
  • Weeks 7–8: Work on modeling and hyperparameter tuning in SageMaker.
  • Weeks 9–10: Explore deployment, scaling, and MLOps.
  • Weeks 11–12: Attempt full-length practice exams, review weak areas, and schedule the exam.

For Experienced Candidates (6 weeks):

  • Week 1: Refresh ML fundamentals.
  • Weeks 2–3: Deep dive into SageMaker and AWS ML ecosystem.
  • Week 4: Focus on deployment and real-world scenarios.
  • Week 5: Take practice tests and analyze mistakes.
  • Week 6: Final revision and exam readiness check.

Recommended resources:

  • AWS Skill Builder courses.
  • AWS Whitepapers on ML, Data Lakes, and Security.
  • Hands-on with SageMaker and AI services in a free-tier AWS account.
  • Practice exams from providers like Whizlabs, Tutorials Dojo, or Cert Mage.

Certification Validity and Renewal

  • Valid for 3 years.
  • Renewal options:
    • Retake the MLA-C01 exam.
    • Earn a higher-level AWS certification (automatically renews lower-level ones).
    • Use AWS continuing education credits (when available).

Career Outcomes

Job roles and salary ranges for AWS MLA-C01 holders:

Job Role

Average Salary (USD)

Machine Learning Engineer

$120,000 – $160,000

Data Scientist

$110,000 – $150,000

AI/ML Solutions Architect

$130,000 – $170,000

Applied Scientist

$115,000 – $155,000

Data Engineer (ML-focused)

$105,000 – $145,000

Related or Next-Step Certifications

  • AWS Certified Data Analytics – Specialty (for advanced data pipeline and analytics expertise).
  • AWS Certified Solutions Architect – Professional (for enterprise-level ML solutions design).
  • TensorFlow Developer Certificate (if focusing on ML frameworks).
  • Google Cloud ML Engineer or Azure AI Engineer Associate (for multi-cloud expertise).

How This Exam Compares to Similar Certifications

  • Compared to Google Professional ML Engineer, AWS MLA-C01 has a stronger focus on AWS service integration rather than general ML theory.
  • Compared to Azure AI Engineer Associate, AWS MLA-C01 is more advanced and requires deeper ML knowledge, while Azure’s certification is more beginner-friendly.

 

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