QuestionQ186

Content Domain 3: Cloud Technology and Services

A company is launching a mobile app in the AWS Cloud. The company wants the app's users to sign in through social media identity providers (IdPs).

Which AWS service will meet this requirement?

  • A AWS Lambda
  • B Amazon Cognito
  • C AWS Secrets Manager
  • D Amazon CloudFront
Explanation

Amazon Cognito is a fully managed identity service that enables user authentication and federation with social identity providers (Facebook, Google, Amazon, Apple) and enterprise providers (SAML, OpenID Connect). This is the standard AWS service for mobile and web applications requiring social sign-in. Lambda is compute, Secrets Manager stores credentials, and CloudFront is content distribution—none handle identity federation.

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