Which of the following is a managed service to host and analyze large datasets?

Which of the following is a managed service to host and analyze large datasets?

• A. Amazon Glacier
• B. Amazon Athena
• C. AWS CloudFormation
• D. Amazon EFS

Answer: (B)

Amazon Athena is a managed service that enables users to analyze large datasets directly in Amazon S3 using standard SQL queries. It provides a serverless query service that allows users to run ad-hoc queries without the need for complex data setup or management. Because Athena is designed to handle large datasets easily and can quickly return results, it simplifies the process of performing analytics on data stored in S3. In contrast, other options do not serve the same function. Amazon Glacier is primarily a long-term data archiving service, providing low-cost storage for data that is infrequently accessed. AWS CloudFormation is a service that helps users model and set up their infrastructure in the cloud, not specifically focused on data analysis. Lastly, Amazon EFS (Elastic File System) is a scalable file storage service for use with AWS Cloud services and on-premises resources but does not provide the data analysis capabilities that Athena does.

Amazon Athena is a managed service that enables users to analyze large datasets directly in Amazon S3 using standard SQL queries. It provides a serverless query service that allows users to run ad-hoc queries without the need for complex data setup or management. Because Athena is designed to handle large datasets easily and can quickly return results, it simplifies the process of performing analytics on data stored in S3.

In contrast, other options do not serve the same function. Amazon Glacier is primarily a long-term data archiving service, providing low-cost storage for data that is infrequently accessed. AWS CloudFormation is a service that helps users model and set up their infrastructure in the cloud, not specifically focused on data analysis. Lastly, Amazon EFS (Elastic File System) is a scalable file storage service for use with AWS Cloud services and on-premises resources but does not provide the data analysis capabilities that Athena does.