AWS Certified Data Engineer - Associate
DEA-C01
Validates ability to design, build, and maintain data pipelines on AWS. Covers data ingestion, transformation, storage optimization, security, and governance using AWS data analytics services.
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A company has a data lake on Amazon S3 with log data partitioned by year/month/day. Each day's partition contains 10,000 small JSON files averaging 1 MB each. Queries using Amazon Athena are slow and expensive. What should the data engineer do to improve query performance and reduce costs?
Pruebas de Práctica Incluidas en el Paquete (7)
AWS Certified Data Engineer - Associate (DEA-C01) - Practice Exam 1
Comprehensive practice exam covering all domains: Data Ingestion and Transformation, Data Store Management, Data Operations and Support, and Data Security and Governance.
AWS Certified Data Engineer - Associate (DEA-C01) - Practice Exam 2
Advanced practice exam focusing on batch and streaming data ingestion using Kinesis, MSK, and data transformation with Glue and EMR.
AWS Certified Data Engineer - Associate (DEA-C01) - Practice Exam 3
Practice exam with emphasis on data store management including S3 data lake architecture, Redshift data warehousing, and database selection strategies.
AWS Certified Data Engineer - Associate (DEA-C01) - Practice Exam 4
Scenario-based practice exam covering pipeline orchestration with Step Functions, EventBridge, and data quality monitoring.
AWS Certified Data Engineer - Associate (DEA-C01) - Practice Exam 5
Comprehensive exam focusing on data security and governance including Lake Formation permissions, encryption, and compliance requirements.
AWS Certified Data Engineer - Associate (DEA-C01) - Practice Exam 6
Advanced practice exam covering performance optimization, troubleshooting data pipelines, and cost optimization strategies.
AWS Certified Data Engineer - Associate (DEA-C01) - Practice Exam 7
Final comprehensive exam covering all domains with realistic scenarios. Perfect for final preparation before the actual DEA-C01 certification exam.
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