Complete, scenario-driven prep for the AWS Certified Data Engineer – Associate (DEA-C01). Aligned to the exam guide across all four domains: data ingestion and transformation (streaming with Kinesis Data Streams, Firehose and MSK; batch and migration with Glue, DMS, DataSync and EMR; orchestration with Step Functions, MWAA and EventBridge; and transformation with Glue ETL/DataBrew, columnar formats and partitioning); data store management (S3 data lakes, the Glue Data Catalog, Redshift with distribution and sort keys and Spectrum, DynamoDB, and choosing the right store); data operations and support (Athena and QuickSight, CloudWatch and CloudTrail monitoring, idempotent pipelines, and Glue Data Quality); and data security and governance (IAM vs Lake Formation fine-grained permissions, KMS encryption, Macie for PII, VPC endpoints, and auditing). Includes exam-trap callouts, per-domain mastery checks, a 50-question mock, a full-length 125-question exam simulator, and a spaced-repetition flashcard deck. DEA-C01 is about 65 questions in 130 minutes; passing is 720 on a 1000-point scale, and answers favor serverless, cost-optimized designs.
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