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Which service is used by a developer to acquire temporary security credentials that provide access for making service requests?
Cognito
Identity and Access Management (IAM)
Key Management Service (KMS)
Security Token Service (STS)
The correct service for acquiring temporary security credentials to make service requests is AWS Security Token Service (STS). STS allows users to receive temporary, limited-privilege credentials to interact with AWS services. AWS Identity and Access Management (IAM) is used to create and manage AWS users and groups, as well as to define permissions, but does not directly provide temporary credentials. Amazon Cognito is used for user authentication and identity management but is not the service specifically designed for credential provisioning for service requests. AWS Key Management Service (KMS) handles cryptographic keys and is not involved in the role assumption process.
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