- A
AWS CloudTrail
Why wrong: AWS CloudTrail records API calls made in the account, which is useful for auditing and security analysis. However, it does not continuously evaluate resource configurations against compliance rules or automatically flag noncompliant resources.
- B
AWS Config
AWS Config provides continuous monitoring and evaluation of AWS resource configurations against desired rules. It supports managed rules for common compliance checks (e.g., public RDS instances) and can automatically trigger remediation, meeting the requirement without custom scripts.
- C
AWS Trusted Advisor
Why wrong: AWS Trusted Advisor inspects your AWS environment and makes recommendations based on AWS best practices. It checks for cost optimization, performance, security, and fault tolerance, but it does not provide continuous, custom compliance monitoring with auto-remediation.
- D
Amazon GuardDuty
Why wrong: Amazon GuardDuty is a threat detection service that continuously monitors for malicious activity and unauthorized behavior using machine learning and threat intelligence. It does not evaluate resource configurations for compliance with internal policies.
CLF-C02 Security and Compliance Practice Question
This CLF-C02 practice question tests your understanding of security and compliance. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. A key principle to apply: aWS Config continuously monitors and records AWS resource configurations.. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses AWS Organizations to manage multiple accounts. The security team wants to continuously monitor the configurations of all AWS resources across the organization and receive alerts when a resource violates a compliance rule. For example, they want to ensure that all Amazon RDS databases are not publicly accessible, and that any new RDS instance created with public access enabled is automatically flagged. The team does not want to build custom scripts for monitoring. Which AWS service should the security team use to meet these requirements?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Config
AWS Config is the correct service because it provides continuous monitoring and recording of AWS resource configurations, and it can evaluate those configurations against custom or managed rules (e.g., 'rds-instance-public-access-check'). When a resource like an RDS instance violates a rule (e.g., being publicly accessible), AWS Config can automatically flag it and trigger an alert via Amazon SNS, all without requiring custom scripts.
Key principle: AWS Config continuously monitors and records AWS resource configurations.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS CloudTrail
Why it's wrong here
AWS CloudTrail records API calls made in the account, which is useful for auditing and security analysis. However, it does not continuously evaluate resource configurations against compliance rules or automatically flag noncompliant resources.
- ✓
AWS Config
Why this is correct
AWS Config provides continuous monitoring and evaluation of AWS resource configurations against desired rules. It supports managed rules for common compliance checks (e.g., public RDS instances) and can automatically trigger remediation, meeting the requirement without custom scripts.
Related concept
AWS Config continuously monitors and records AWS resource configurations.
- ✗
AWS Trusted Advisor
Why it's wrong here
AWS Trusted Advisor inspects your AWS environment and makes recommendations based on AWS best practices. It checks for cost optimization, performance, security, and fault tolerance, but it does not provide continuous, custom compliance monitoring with auto-remediation.
- ✗
Amazon GuardDuty
Why it's wrong here
Amazon GuardDuty is a threat detection service that continuously monitors for malicious activity and unauthorized behavior using machine learning and threat intelligence. It does not evaluate resource configurations for compliance with internal policies.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS CloudTrail (which logs API calls) with AWS Config (which tracks resource state), leading them to choose CloudTrail because they think monitoring 'configurations' means tracking changes, but CloudTrail does not evaluate compliance rules or alert on resource state violations.
Detailed technical explanation
How to think about this question
AWS Config works by recording configuration items (CIs) for supported resources into a configuration history and evaluating them against rules (AWS Lambda-backed functions or managed rules). For the RDS public access check, the managed rule 'rds-instance-public-access-check' evaluates the 'PubliclyAccessible' field of the RDS DB instance configuration item; if set to 'true', the rule triggers a non-compliant evaluation and can invoke an SNS topic to send an alert. A subtle behavior is that AWS Config evaluates resources only when a configuration change occurs or at a periodic interval (e.g., every 24 hours), so near-real-time detection depends on the change-triggered evaluation.
KKey Concepts to Remember
- AWS Config continuously monitors and records AWS resource configurations.
- It evaluates configurations against desired rules, including managed and custom rules.
- AWS Config can detect and flag non-compliant resources, like publicly accessible RDS instances.
- It integrates with AWS Organizations for multi-account, centralized compliance management.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
AWS Config continuously monitors and records AWS resource configurations.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review aWS Config continuously monitors and records AWS resource configurations., then practise related CLF-C02 questions on the same topic to reinforce the concept.
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Security and Compliance — study guide chapter
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Security and Compliance — This question tests Security and Compliance — AWS Config continuously monitors and records AWS resource configurations..
What is the correct answer to this question?
The correct answer is: AWS Config — AWS Config is the correct service because it provides continuous monitoring and recording of AWS resource configurations, and it can evaluate those configurations against custom or managed rules (e.g., 'rds-instance-public-access-check'). When a resource like an RDS instance violates a rule (e.g., being publicly accessible), AWS Config can automatically flag it and trigger an alert via Amazon SNS, all without requiring custom scripts.
What should I do if I get this CLF-C02 question wrong?
Review aWS Config continuously monitors and records AWS resource configurations., then practise related CLF-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
AWS Config continuously monitors and records AWS resource configurations.
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Last reviewed: Jun 11, 2026
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CLF-C02 exam.
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