SCS-C02 · Question #67
SCS-C02 Question #67: Real Exam Question with Answer & Explanation
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Question
A company is hosting a web application on Amazon EC2 instances behind an Application Load Balancer (ALB). The application has become the target of a DoS attack. Application logging shows that requests are coming from a small number of client IP addresses, but the addresses change regularly. The company needs to block the malicious traffic with a solution that requires the least amount of ongoing effort. Which solution meets these requirements?
Options
- ACreate an AWS WAF rate-based rule, and attach it to the ALB.
- BUpdate the security group that is attached to the ALB to block the attacking IP addresses.
- CUpdate the ALB subnet's network ACL to block the attacking client IP addresses.
- DCreate an AWS WAF rate-based rule, and attach it to the security group of the EC2 instances.
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