DEA-C01 · Question #90
DEA-C01 Question #90: Real Exam Question with Answer & Explanation
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Question
A financial company wants to use Amazon Athena to run on-demand SQL queries on a petabyte- scale dataset to support a business intelligence (BI) application. An AWS Glue job that runs during non-business hours updates the dataset once every day. The BI application has a standard data refresh frequency of 1 hour to comply with company policies. A data engineer wants to cost optimize the company's use of Amazon Athena without adding any additional infrastructure costs. Which solution will meet these requirements with the LEAST operational overhead?
Options
- AConfigure an Amazon S3 Lifecycle policy to move data to the S3 Glacier Deep Archive storage
- BUse the query result reuse feature of Amazon Athena for the SQL queries.
- CAdd an Amazon ElastiCache cluster between the BI application and Athena.
- DChange the format of the files that are in the dataset to Apache Parquet.
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