MLS-C01 · Question #240
A data scientist has 20 TB of data in CSV format in an Amazon S3 bucket. The data scientist needs to convert the data to Apache Parquet format. How can the data scientist convert the file format…
The correct answer is B. Write a script to convert the file format. Run the script as an AWS Glue job. AWS Glue is a fully-managed ETL service that makes it easy to move data between data stores. AWS Glue can be used to automate the conversion of CSV files to Parquet format with minimal effort. AWS Glue supports reading data from CSV files, transforming the data, and writing the…
Question
A data scientist has 20 TB of data in CSV format in an Amazon S3 bucket. The data scientist needs to convert the data to Apache Parquet format. How can the data scientist convert the file format with the LEAST amount of effort?
Options
- AUse an AWS Glue crawler to convert the file format.
- BWrite a script to convert the file format. Run the script as an AWS Glue job.
- CWrite a script to convert the file format. Run the script on an Amazon EMR cluster.
- DWrite a script to convert the file format. Run the script in an Amazon SageMaker notebook.
How the community answered
(35 responses)- A23% (8)
- B63% (22)
- C6% (2)
- D9% (3)
Explanation
AWS Glue is a fully-managed ETL service that makes it easy to move data between data stores. AWS Glue can be used to automate the conversion of CSV files to Parquet format with minimal effort. AWS Glue supports reading data from CSV files, transforming the data, and writing the transformed data to Parquet files.
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