Free, timed, auto-graded practice exams for AWS, Azure, Google Cloud, Kubernetes, security and more. Study a domain, prove your skill, and earn a certificate anyone can verify at careerbytecode.in/verify.
Pick your area (and level, if you like), and we will show the right exams. Or follow a full certification path.
Browse by cloud, domain, job role, or certification path. Not sure? Use "Help me choose" above.
Auto-graded questions - multiple choice, fill-blank, drag-order, code and live SQL. Instant score.
Pass and get a certificate with a public verify link you can add to LinkedIn.
Full-length practice exam for the AWS Certified Machine Learning Specialty (MLS-C01): data engineering, exploratory analysis, modeling, and ML implementation and operations on AWS.
Full-length practice exam for the AWS Data Engineer Associate: ingestion, transformation, storage, operations, security, and governance with Glue, Kinesis, Redshift, and S3.
Full-length practice exam for the Databricks ML Associate: ML workflows on Databricks with MLflow, AutoML, feature engineering, Spark, and model deployment.
Full-length practice exam for the Databricks Data Engineer Associate: the Lakehouse, Delta Lake, ELT with Spark SQL, Delta Live Tables, and production pipelines.
Full-length practice exam for the Google Professional Machine Learning Engineer: ML problem framing, data prep, Vertex AI training and deployment, and MLOps.
Full-length practice exam for the Google Professional Data Engineer: designing data processing systems, ingestion, storage, BigQuery, pipelines, and operationalization.
Full-length practice exam for DP-203: designing and implementing data storage, processing, security, and monitoring with Azure Synapse, Data Factory, and Databricks.
Full-length practice exam for DP-100: running data science workloads with Azure Machine Learning - experiments, training, tuning, deployment, and MLOps.
Full-length practice exam for AI-102: building AI solutions with Azure AI services across vision, language, speech, search, generative AI, and responsible AI.
Your first exam is always free. After that a small subscription (or inviting friends who take an exam) unlocks more. Every exam is auto-graded and issues a verifiable certificate on a pass.
Yes. Pass any exam and you earn a CareerByteCode certificate with a public verify link at careerbytecode.in/verify - add it to LinkedIn in one click.
Instantly and server-side. We support single and multiple choice, true or false, fill-in-the-blank, drag-to-order, code snippets, scenario questions, and live SQL graded against a real dataset.
Yes. Retakes are allowed and your best score shows in your exam history. Questions and options are shuffled on each attempt.
No. These are independent practice exams to test and prove your skills. They are not affiliated with AWS, Microsoft, or Google; official certification names are trademarks of their owners.
Courses teach; exams prove. Take an exam to benchmark where you stand, then use the linked prep course to close the gaps.