AWS Certified Data Analytics Specialty 2021 – Hands-On - Introduction to Athena

What is a key feature of AWS Athena that makes it appealing for users?

• It requires extensive server management.

• It is a serverless service.

• It is limited to small datasets.

• It only supports structured data.

Which of the following data formats is known for being human-readable?

• ORC

• Parquet

• Avro

• CSV

What is a characteristic of columnar data formats like ORC and Parquet?

• They are human-readable.

• They organize data by columns.

• They organize data by rows.

• They are not splittable.

How does Athena handle data that is not structured?

• It cannot process unstructured data.

• It only works with JSON data.

• It uses Glue to impart structure.

• It requires data to be pre-structured.

Which tool can be integrated with Athena for data visualization?

• Amazon Redshift

• Amazon QuickSight

• Amazon S3

• Amazon RDS