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CLF-C02 · Question #825

CLF-C02 Question #825: Real Exam Question with Answer & Explanation

The correct answer is B: Security groups. AWS WAF is a web application firewall that lets you monitor the HTTP(S) requests that are forwarded to your protected web application resources. You can protect the following resource Amazon CloudFront distribution Amazon API Gateway REST API Application Load Balancer AWS AppSync

Submitted by chen.hong· Mar 6, 2026Security and Compliance

Question

A company recently deployed an Amazon RDS instance in its VPC. The company needs to implement a stateful firewall to limit traffic to the private corporate network. Which AWS service or feature should the company use to limit network traffic directly to its RDS instance?

Options

  • ANetwork ACLs
  • BSecurity groups
  • CAWS WAF
  • DAmazon GuardDuty

Explanation

AWS WAF is a web application firewall that lets you monitor the HTTP(S) requests that are forwarded to your protected web application resources. You can protect the following resource Amazon CloudFront distribution Amazon API Gateway REST API Application Load Balancer AWS AppSync GraphQL API Amazon Cognito user pool https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Overview.RDSSecurityGroups.html

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