The answer is AWS Config, as it is the only service designed to continuously monitor and evaluate resource configurations against defined policies. AWS Config achieves this through managed rules like `s3-bucket-server-access-logging-enabled`, which automatically checks every S3 bucket in your account and flags any that lack server access logging as noncompliant, enabling ongoing, automated compliance auditing without manual intervention. On the AWS Certified Security Specialty SCS-C02 exam, this question tests your understanding of detective controls versus preventive ones—a common trap is choosing AWS CloudTrail, which logs API activity but does not evaluate bucket configurations. Remember that AWS Config is for configuration auditing, while CloudTrail is for API auditing. A helpful memory tip: think of Config as the “compliance cop” that checks your bucket settings, not the “activity log” that CloudTrail provides.
SCS-C02 Security Logging and Monitoring Practice Question
This SCS-C02 practice question tests your understanding of security logging and monitoring. 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 security engineer needs to ensure that all S3 buckets in an AWS account have server access logging enabled. Which AWS service should be used to continuously monitor for compliance?
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 evaluation of your AWS resource configurations against desired policies. You can create an AWS Config rule, such as the managed rule 's3-bucket-server-access-logging-enabled', which will automatically check all S3 buckets in your account and report any that do not have server access logging enabled, flagging them as noncompliant. This allows for ongoing, automated compliance auditing without manual intervention.
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.
✓
AWS Config
Why this is correct
AWS Config has managed rules like 's3-bucket-logging-enabled' to check for server access logging.
Related concept
Read the scenario before looking for a memorised answer.
✗
Amazon GuardDuty
Why it's wrong here
GuardDuty detects malicious activity, not configuration compliance.
✗
AWS IAM Access Analyzer
Why it's wrong here
IAM Access Analyzer analyzes resource-based policies for public or cross-account access, not logging settings.
✗
AWS CloudTrail
Why it's wrong here
CloudTrail logs API calls, not the configuration state of S3 buckets.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Config with AWS CloudTrail, mistakenly thinking that CloudTrail's logging of API calls can be used to continuously monitor compliance, but CloudTrail only records events and does not evaluate the current state of resources against a desired configuration.
Detailed technical explanation
How to think about this question
AWS Config works by recording configuration changes to supported AWS resources as configuration items and evaluating them against rules you define. The managed rule 's3-bucket-server-access-logging-enabled' uses a Lambda function under the hood to check the 'LoggingEnabled' property on the bucket's logging configuration; if the property is missing or set to 'false', the resource is marked noncompliant. This is distinct from CloudTrail, which only logs the API calls that change configurations, not the resulting state of the resource over time.
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.
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Read the scenario before looking for a memorised answer..
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 evaluation of your AWS resource configurations against desired policies. You can create an AWS Config rule, such as the managed rule 's3-bucket-server-access-logging-enabled', which will automatically check all S3 buckets in your account and report any that do not have server access logging enabled, flagging them as noncompliant. This allows for ongoing, automated compliance auditing without manual intervention.
What should I do if I get this SCS-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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