Chapter DEA-C01 associate tier

Data Engineer

Editor's note — A study companion for the Data Engineer exam — every domain rebuilt from scratch, with worked practice questions and an exam-grade timed simulation.

65 questions 130 minutes threshold 720/1000 4 domains official guide

begin — Practice Twenty questions, untimed, with full explanations after every answer. begin — Mock Examination 65 questions in 130:00, timed, scored.

4 domains · 20 topics

I. Data Ingestion And Transformation 34% weight

Batch vs Streaming Ingestion Patterns Kinesis Data Streams, Firehose, and Amazon MSK Amazon Managed Service for Apache Flink — Stream Processing AWS Glue ETL — Job Bookmarks, DynamicFrames, and PySpark Lambda and EventBridge for Event-Driven Ingestion AppFlow, DataSync, DMS, and Snowball for Data Migration

II. Data Store Management 26% weight

S3 Storage Classes, Lifecycle Policies, and Data Lake Foundations S3 Partitioning Strategies and File Formats — Parquet, ORC, Avro Glue Data Catalog, Lake Formation, and Schema Management Amazon Redshift — RA3, Materialized Views, Spectrum, and Serverless DynamoDB, Aurora, and Vector Stores for ML Serving

III. Data Operations And Support 22% weight

Amazon Athena — Queries, Workgroups, and Cost Optimization Redshift Query Tuning, COPY/UNLOAD, and Operational Commands Amazon EMR with Spark/Hive and AWS Step Functions Orchestration CloudWatch, CloudTrail, and Data Pipeline Monitoring Data Quality with Glue DataBrew and Glue Data Quality

IV. Data Security And Governance 18% weight

IAM and Lake Formation Fine-Grained Access Control KMS Encryption, S3/Redshift Encryption, and Secrets Manager Pipeline Orchestration — Step Functions, MWAA, and EventBridge Macie, DataZone, and Data Privacy Governance