A company is deploying a third-party web application on AWS. The application is packaged as a Docker image. The company has deployed the Docker image as an AWS Fargate service in Amazon Elastic Container Service (Amazon ECS). An Application Load Balancer (ALB) directs traffic to the application. The company needs to give only a specific list of users the ability to access the application from the internet. The company cannot change the application and cannot integrate the application with an identity provider. All users must be authenticated through multi-factor authentication (MFA). Which solution will meet these requirements?

Topic #: - All AWS Certified Solutions Architect - Professional SAP-C02 Questions

A. Create a user pool in Amazon Cognito. Configure the pool for the application. Populate the pool with the required users. Configure the pool to require MFConfigure a listener rule on the ALB to require authentication through the Amazon Cognito hosted UI.
B. Configure the users in AWS Identity and Access Management (IAM). Attach a resource policy to the Fargate service to require users to use MFA. Configure a listener rule on the ALB to require authentication through IAM.
C. Configure the users in AWS Identity and Access Management (IAM). Enable AWS IAM Identity Center (AWS Single Sign-On). Configure resource protection for the ALB. Create a resource protection rule to require users to use MFA.
D. Create a user pool in AWS Amplify. Configure the pool for the application. Populate the pool with the required users. Configure the pool to require MFA. Configure a listener rule on the ALB to require authentication through the Amplify hosted UI.

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