DEA-C01 · Question #262
DEA-C01 Question #262: Real Exam Question with Answer & Explanation
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Question
A company wants to use Apache Spark jobs that run on an Amazon EMR cluster to process streaming data. The Spark jobs will transform and store the data in an Amazon S3 bucket. The company will use Amazon Athena to perform analysis. The company needs to optimize the data format for analytical queries. Which solutions will meet these requirements with the SHORTEST query times? (Choose two.)
Options
- AUse Avro format. Use AWS Glue Data Catalog to track schema changes.
- BUse ORC format. Use AWS Glue Data Catalog to track schema changes.
- CUse Apache Parquet format. Use an external Amazon DynamoDB table to track schema
- DUse Apache Parquet format. Use AWS Glue Data Catalog to track schema changes.
- EUse ORC format. Store schema definitions in separate files in Amazon S3.
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