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AWS Certified Solutions Architect study material · question 18 of 500

How long can temporary security credentials issued by AWS STS remain valid?

  1. Until the caller explicitly revokes them
  2. Indefinitely, as long as the role still exists
  3. From a few minutes to several hours, after which AWS rejects them
  4. Exactly 24 hours, with no other option
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Answer: C. From a few minutes to several hours, after which AWS rejects them

STS credentials are short-lived by design; once they expire AWS refuses any request made with them and they cannot be replayed.

Source: Temporary security credentials in IAM (Amazon Web Services) — Temporary security credentials in IAM

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