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AWS Certified Solutions Architect study material · question 130 of 500

Which sign-in scenario still justifies creating an IAM user rather than federating?

  1. A Lambda function that reads from S3
  2. An employee who needs console access to several accounts
  3. A third-party client that cannot sign in through IAM Identity Center
  4. An application running on an EC2 instance in the same account
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Answer: C. A third-party client that cannot sign in through IAM Identity Center

IAM users remain appropriate only where federation will not work; workloads on AWS use roles and employees use IAM Identity Center.

Source: IAM roles (Amazon Web Services) — When to create an IAM user (instead of a role)

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