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Answer: Expired credentials from the IAM Identity Center federated role.
The most likely cause of the developer's access issue is that the credentials from the IAM Identity Center federated role have expired. When using AWS IAM Identity Center (AWS Single Sign-On), the credentials are time-bound and expire after a certain period. Once expired, the developer would start receiving Access Denied errors because the session is no longer valid. Therefore, option C is the correct answer.
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A developer encounters Access Denied errors after previously successful API calls using AWS IAM Identity Center with the AWS CLI and SDKs. Despite no changes to configuration or scripts, what could be the most likely cause?
A
Altered access permissions for the AWS CLI binary.
B
Insufficient permissions in the IAM Identity Center's assumed permission set.
C
Expired credentials from the IAM Identity Center federated role.
D
API calls directed to an incorrect AWS account.
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