Transform and process data.
5 practice questions under this official exam objective (DEA-C01) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
Kinesis Data Firehose CSV to Parquet Conversion
This question tests the native data transformation capabilities of Amazon Kinesis Data Firehose. The correct solution leverages built-in format conver
Most Cost-Effective AWS Glue ETL for Small Daily CSV Files?
Choosing the cheapest AWS service to run a daily ETL job over sub-100 MB CSV files uploaded to Amazon S3 comes down to matching compute overhead to da
AWS Glue FindMatches for Data Deduplication
This question explores the most efficient method for deduplicating legacy data during an S3 migration, highlighting AWS Glue's built-in machine learni
Which AWS solution detects changing schemas and loads data to S3 with least overhead?
This DEA-C01 scenario requires detecting undefined or changing schemas across SAP HANA, SQL Server, MongoDB, Kafka, and DynamoDB while loading transfo
Least-Effort Way to Count Distinct Customers from an .xls File in S3?
For a 2 GB .xls customer file in Amazon S3, AWS Glue DataBrew provides the least operational effort to concatenate first and last names and count dist