DEA-C01 is AWS Data Engineer Associate: pipelines (Glue, EMR, Kinesis, MWAA/Step Functions), storage (S3/Redshift), data quality, and security.
Start practicing: Data Engineer practice →
Path: AWS roadmap. SAA or Cloud Practitioner first if AWS is new.
Official: DEA-C01.
Highest-miss: when to use Glue vs EMR vs Athena, partitioning/lifecycle, Lake Formation, and Redshift vs RDS.
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