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Amazon Web Services AWS Certified Solutions Architect - Professional SAP-C02 Question # 86 Topic 9 Discussion

Amazon Web Services AWS Certified Solutions Architect - Professional SAP-C02 Question # 86 Topic 9 Discussion

SAP-C02 Exam Topic 9 Question 86 Discussion:
Question #: 86
Topic #: 9

A company recently wanted a web application from an on-premises data center to the AWS Cloud. The web application infrastructure consists of an Amazon CloudFront distribution that routes to an Application Load Balancer (ALB), with Amazon Elastic Container Service (Amazon ECS) to process requests. A recent security audit revealed that the web application is accessible by using both CloudFront and ALB endpoints. However. the company requires that the web application must be accessible only by using the CloudFront endpoint.

Which solution will meet this requirement with the LEAST amount of effort?


A.

Create a new security group and attach it to the CloudFront distribution. Update the ALB security group ingress to allow access only from the CloudFront security group.


B.

Update ALB security group ingress to allow access only from the CloudFront managed prefix list.


C.

Create a VPC interface endpoint for Elastic Load Balancing. Update the ALB scheme from internet-facing to internal_


D.

Extract CloudFront IPS from the AWS provided ip-ranges.json document. Update ALB security group ingress to allow access only from CloudFront IPs.


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