The answer is AWS Config with the managed rule s3-bucket-server-access-logging-enabled. This is correct because AWS Config continuously evaluates your S3 bucket configurations against compliance rules, automatically detecting any new bucket created without server access logging enabled. When a bucket is non-compliant, AWS Config can directly trigger an SNS topic to notify the DevOps engineer, meeting the requirement for automatic notification without custom code or Lambda functions. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your understanding of AWS Config’s managed rules for compliance automation, a common alternative to custom scripting with Lambda or CloudWatch Events. A frequent trap is choosing AWS CloudTrail, which logs API calls but does not evaluate bucket-level configuration compliance. Remember: Config checks configurations, CloudTrail checks API actions. Memory tip: “Config for config, Trail for trail” — Config enforces bucket settings, CloudTrail tracks who changed them.
DOP-C02 Monitoring and Logging Practice Question
This DOP-C02 practice question tests your understanding of monitoring and logging. 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. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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 DevOps engineer is tasked with ensuring that all Amazon S3 buckets in the account have server access logging enabled. The engineer needs to be automatically notified when a new bucket is created without logging enabled. Which AWS service should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use AWS Config with a managed rule to check if S3 bucket logging is enabled, and configure an SNS topic for notifications.
Option D is correct because AWS Config provides continuous monitoring and evaluation of your AWS resource configurations. By using the managed rule 's3-bucket-server-access-logging-enabled', AWS Config can automatically check all S3 buckets (including newly created ones) for server access logging. When a bucket is non-compliant, AWS Config can trigger an SNS notification to alert the DevOps engineer, meeting the requirement for automatic notification without custom code.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use AWS CloudTrail to detect CreateBucket API calls and trigger a Lambda function to check logging.
Why it's wrong here
CloudTrail logs the event but does not evaluate the resulting configuration.
✗
Use AWS Trusted Advisor to check S3 bucket logging and send notifications via Amazon SNS.
Why it's wrong here
Trusted Advisor checks periodically, not in real time.
✗
Use Amazon S3 Event Notifications to trigger a Lambda function when a new bucket is created.
Why it's wrong here
S3 Event Notifications are for object events, not bucket creation events.
✓
Use AWS Config with a managed rule to check if S3 bucket logging is enabled, and configure an SNS topic for notifications.
Why this is correct
AWS Config evaluates configuration changes in near real time and can trigger notifications.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse event-driven services like CloudTrail or S3 Event Notifications with configuration compliance services, mistakenly thinking they can directly detect and react to resource misconfigurations without the need for custom evaluation logic.
Detailed technical explanation
How to think about this question
AWS Config evaluates resources against rules on a periodic basis (e.g., every hour) or in response to configuration changes via AWS Config's advanced queries feature. The managed rule 's3-bucket-server-access-logging-enabled' checks the 'LoggingEnabled' property of the S3 bucket's logging configuration. When a new bucket is created, AWS Config detects the resource change and triggers an evaluation; if the bucket lacks logging, it becomes non-compliant and can invoke an SNS topic for immediate notification. This approach is serverless, requires no custom code, and integrates with AWS Organizations for multi-account governance.
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.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Monitoring and Logging — This question tests Monitoring and Logging — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use AWS Config with a managed rule to check if S3 bucket logging is enabled, and configure an SNS topic for notifications. — Option D is correct because AWS Config provides continuous monitoring and evaluation of your AWS resource configurations. By using the managed rule 's3-bucket-server-access-logging-enabled', AWS Config can automatically check all S3 buckets (including newly created ones) for server access logging. When a bucket is non-compliant, AWS Config can trigger an SNS notification to alert the DevOps engineer, meeting the requirement for automatic notification without custom code.
What should I do if I get this DOP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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