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CLF-028
Which of the following can you confirm with AWS Trusted Advisor?
Choices
Explanation and answer
Read the explanation and correct answer (spoiler — try answering first)
Correct answer: D. Recommendations for cost optimization, security, fault tolerance, and more
Explanation
AWS Trusted Advisor inspects your AWS environment and presents recommendations in areas such as cost optimization, security, fault tolerance, and performance.
Per-choice explanations
A. Automatic source code generation for EC2
Incorrect. It is not a source code generation service.
B. Image editing of S3 objects
Incorrect. It is not an image editing service.
C. Programming training material for Lambda functions
Incorrect. It is not a training material service.
D. Recommendations for cost optimization, security, fault tolerance, and more
Correct. Trusted Advisor is used for AWS environment improvement recommendations.
Practical Use
AWS Trusted Advisor is a service that automatically inspects the resource configuration of an AWS account and presents recommendations across five categories: cost optimization, security, fault tolerance, performance, and service quotas. Typical check items include unused Elastic IP addresses, EC2 instances with low utilization, publicly accessible S3 buckets, the presence of MFA on the IAM users, and EBS snapshot generation management. The set of available checks varies by support plan. Basic and Developer Support are limited to the core checks (some checks in the security and service quota categories), while paid Business Support and above unlock the full set of checks across all categories. The feature differences by support plan are frequently tested on CLF-C02. On the exam, the question is typically phrased as "Which service lets you check recommendations for improving cost, security, and fault tolerance in your AWS environment?" Distractors include options such as "image editing of S3 objects," "automatic EC2 source code generation," and "Lambda training material," all of which are completely unrelated to the role of Trusted Advisor. It is also worth noting that Trusted Advisor is a service that "presents recommendations" rather than one that automatically changes the configuration.