DAS-C01 · Question #147
DAS-C01 Question #147: Real Exam Question with Answer & Explanation
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Question
A utility company wants to visualize data for energy usage on a daily basis in Amazon QuickSight. A data analytics specialist at the company has built a data pipeline to collect and ingest the data into Amazon S3 Each day the data is stored in an individual csv file in an S3 bucket. This is an example of the naming structure 20210707_datacsv 20210708_datacsv. To allow for data querying in QuickSight through Amazon Athena the specialist used an AWS Glue crawler to create a table with the path "s3 //powertransformer/20210707_data csv". However when the data is queried, it returns zero rows. How can this issue be resolved?
Options
- AModify the IAM policy for the AWS Glue crawler to access Amazon S3.
- BIngest the files again.
- CStore the files in Apache Parquet format.
- DUpdate the table path to "s3://powertransformer/".
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