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AWS Certified Solutions Architect study material · question 500 of 500

Which two serverless services charge nothing while completely idle? Choose two.

  1. Amazon Redshift Serverless
  2. Amazon Athena
  3. A provisioned Amazon RDS DB instance
  4. An interface VPC endpoint
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Answer: A. Amazon Redshift Serverless
B. Amazon Athena

Redshift Serverless costs nothing while the warehouse is idle and Athena charges only for queries run; the other two bill for provisioned time.

Source: What is Amazon Redshift? (Amazon Web Services) — What is Amazon Redshift?

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