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Which AWS service is the customer-identity-and-access-management (CIAM) service for consumer apps — supporting social sign-in, MFA, and SAML/OIDC federation?

AAWS Snowball
BAmazon Cognito
CAmazon Route 53
DAWS IAM (workforce-only)
Answer & Solution
Correct answer: B. Amazon Cognito
Cognito is AWS's CIAM (per SCS-C02 §4.1). IAM is workforce-only; the others aren't identity.
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