MLS-C01 Practice Question: Machine Learning Implementation and Operations
A company is building a machine learning pipeline on AWS. The pipeline includes data ingestion, preprocessing, training, and deployment. Which THREE AWS services can be used to orchestrate the pipeline? (Choose THREE.)
⚠ Common exam trap
Candidates often confuse monitoring services (CloudWatch) or compute triggers (Lambda) with orchestration, but orchestration requires managing sequential/parallel task execution and state management across multiple services.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS Glue Workflows
AWS Glue Workflows is correct because it provides a visual orchestration tool for designing and managing complex ETL pipelines, including data ingestion and preprocessing steps. It allows you to define dependencies, triggers, and job sequences, making it suitable for orchestrating the data preparation stages of a machine learning pipeline.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
AWS Glue Workflows
Why this is correct
Glue Workflows can orchestrate ETL jobs.
- ✗
Amazon CloudWatch
Why it's wrong here
CloudWatch is for monitoring and alerting, not orchestration.
- ✓
Amazon SageMaker Pipelines
Why this is correct
SageMaker Pipelines is purpose-built for ML workflows.
- ✗
AWS Lambda
Why it's wrong here
Lambda is for individual functions, not long-running orchestration.
- ✓
AWS Step Functions
Why this is correct
Step Functions can orchestrate multiple AWS services into a workflow.
Go deeper
Related to this question
About these practice questions
One of 1,672 original MLS-C01 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This MLS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MLS-C01 exam.