A Company's Website Is Used to Sell Products to the Public

question 270

Multiple Choice

A company's website is used to sell products to the public. The site runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB) . There is also an Amazon CloudFront distribution, and AWS WAF is being used to protect against SQL injection attacks. The ALB is the origin for the CloudFront distribution. A recent review of security logs revealed an external malicious IP that needs to be blocked from accessing the website. What should a solutions architect do to protect the application?

• A) Modify the network ACL on the CloudFront distribution to add a deny rule for the malicious IP address.
• B) Modify the configuration of AWS WAF to add an IP match condition to block the malicious IP address.
• C) Modify the network ACL for the EC2 instances in the target groups behind the ALB to deny the malicious IP address.
• D) Modify the security groups for the EC2 instances in the target groups behind the ALB to deny the malicious IP address.

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