A. Use a custom-built SAML-compatible solution for authentication and AWS SSO for authorization.
B. Create a custom-built LDAP connector using Amazon API Gateway and AWS Lambda for authentication. Store authorization tokens in Amazon DynamoDB, and validate authorization requests using another Lambda function that reads the credentials from DynamoDB.
C. Use a custom-built OpenID Connect-compatible solution with AWS SSO for authentication and authorization.
D. Use a custom-built SAML-compatible solution that uses LDAP for authentication and uses a SAML assertion to perform authorization to the IAM identity provider. Most Voted
E. Use a custom-built OpenID Connect-compatible solution for authentication and use Amazon Cognito for authorization. Most Voted

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