Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company has a compliance requirement that all Amazon S3 buckets must have server-side encryption (SSE) enabled and must block all public access. The company has hundreds of existing S3 buckets and creates new ones regularly. The security team needs a centralized AWS service that can continuously evaluate all buckets against these two rules, automatically detect noncompliant buckets, and then automatically remediate them by enabling SSE and blocking public access. Additionally, the team wants to receive notifications when compliance changes occur. Which AWS service should the security team use?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
AWS Config with managed rules and automatic remediation
AWS Config provides managed rules to evaluate resource configurations against best practices. It can automatically remediate noncompliant resources by invoking Systems Manager Automation documents. It also sends notifications via Amazon SNS for compliance changes, fully meeting the requirement.
B
Distractor review
AWS Security Hub
AWS Security Hub aggregates security findings from multiple services (including AWS Config) and provides a consolidated view, but it does not directly evaluate resource configurations or automatically remediate noncompliant resources. It lacks the automated remediation and continuous evaluation capability required.
C
Distractor review
AWS IAM Access Analyzer
AWS IAM Access Analyzer helps identify resources in your account that are shared with an external entity, but it does not evaluate server-side encryption settings or public access configurations on S3 buckets, nor does it offer automatic remediation.
D
Distractor review
Amazon Macie
Amazon Macie is a fully managed data security service that uses machine learning to discover, classify, and protect sensitive data stored in Amazon S3. It does not enforce encryption or public access policies, nor does it provide automatic remediation of bucket configurations.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer needs to launch a test server for a new application prototype. The developer logs into the AWS Management Console, selects an Amazon EC2 instance type, configures the security group, and starts the instance. The instance is running within two minutes, and the developer did not need to submit a formal request to the company's IT procurement team or wait for approval from a cloud administrator. Which essential characteristic of cloud computing does this scenario best demonstrate?
Question 2
A solutions architect is planning a new web application on AWS. The workload will include 3 Amazon EC2 instances (t3.medium) running 24/7, an Application Load Balancer, and an Amazon RDS for MySQL db.t3.small database. The architect needs to estimate the monthly cost for the first year, considering different purchasing options (On-Demand, 1-year All Upfront Reserved Instance, and Compute Savings Plan). Which AWS tool should the architect use to create this estimate?
Question 3
A company's development team frequently needs temporary test environments. A developer can log into the AWS Management Console, select an Amazon EC2 instance type, configure storage, and launch the instance within minutes without any interaction with the IT infrastructure team. This capability is an example of which essential characteristic of cloud computing?
Question 4
A company's finance team needs to analyze AWS spending in detail. They require a report that includes hourly cost data for each AWS service, each individual resource (e.g., a specific EC2 instance), and any cost allocation tags applied. The team plans to export this data to an Amazon S3 bucket and then import it into a custom business intelligence (BI) analytics dashboard. Which AWS tool should the finance team use to generate this level of detailed cost data?
Question 5
A company uses AWS for its development environment. The finance team wants to set a monthly budget of $10,000. They want to receive an email notification when the actual costs reach 80% of the budget ($8,000) and again when costs exceed the budget. The team needs a managed AWS service that can automatically send these alerts without requiring custom code or third-party tools. Which AWS service should the team use?
Question 6
A company uses AWS Organizations to manage multiple accounts. The security team needs to enforce a policy that restricts SSH access (port 22) from the internet (0.0.0.0/0) in all VPCs across all accounts. The team wants to centrally define the allowed rules and automatically apply them to newly created VPCs and security groups, while also automatically remediating any existing non-compliant security groups. Which AWS service should the team use?
FAQ
Questions learners often ask
What does this CLF-C02 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: AWS Config with managed rules and automatic remediation — AWS Config is a service that enables you to assess, audit, and evaluate the configurations of your AWS resources. It provides managed rules (e.g., s3-bucket-server-side-encryption-enabled and s3-bucket-public-read-prohibited) to continuously monitor your S3 buckets against desired configurations. When a bucket is noncompliant, AWS Config can automatically remediate the issue by triggering an AWS Systems Manager Automation document (e.g., enabling default encryption or blocking public access). AWS Config can also send Amazon SNS notifications when compliance changes occur. This solution meets all the stated requirements without custom scripts. AWS Security Hub aggregates findings from multiple services but does not directly provide automatic remediation. IAM Access Analyzer identifies external access to resources but does not enforce encryption or public access rules. Amazon Macie discovers sensitive data but does not manage bucket configurations.
What should I do if I get this CLF-C02 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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