The answer is AWS CloudTrail, Amazon CloudWatch Events (now Amazon EventBridge), and Amazon SNS. This combination works because CloudTrail captures S3 bucket policy modifications as management events, which are automatically forwarded to EventBridge in near real-time. EventBridge then evaluates the event pattern and triggers an SNS topic, which delivers an email notification within minutes—all without any custom code. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of the event-driven monitoring pipeline: CloudTrail for auditing, EventBridge for real-time event routing, and SNS for alerting. A common trap is choosing AWS Config, which detects configuration drift but does not provide real-time email alerts within five minutes. Another pitfall is using CloudWatch Logs with a Lambda function, which introduces custom code. Remember the memory tip: “Trail captures, Bridge triggers, SNS notifies”—a three-step chain that keeps you compliant without writing a single line of code.
SOA-C02 Security and Compliance Practice Question
This SOA-C02 practice question tests your understanding of security and compliance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 SysOps administrator needs to detect when an IAM user attempts to modify an Amazon S3 bucket policy in the production AWS account. The administrator wants to receive an email notification within 5 minutes of such an event. The solution must use AWS managed services with no custom code. Which combination of services should the administrator use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS CloudTrail, Amazon CloudWatch Events (Amazon EventBridge), and Amazon SNS
Option A is correct because AWS CloudTrail captures the S3 bucket policy modification as a management event, which can be sent to Amazon EventBridge (formerly CloudWatch Events) as a real-time event. EventBridge can then trigger an SNS topic to send an email notification within minutes, all using fully managed services with no custom code required.
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 CloudTrail, Amazon CloudWatch Events (Amazon EventBridge), and Amazon SNS
Why this is correct
CloudTrail logs the API call, EventBridge matches the event and triggers an SNS topic to send email. No custom code needed.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS CloudTrail, Amazon CloudWatch Logs metric filter, and Amazon SNS
Why it's wrong here
This works but requires creating a metric filter and alarm, which may take minutes to trigger and adds complexity.
✗
Amazon S3 event notifications and Amazon SNS
Why it's wrong here
S3 event notifications are for object-level events, not for bucket policy changes.
✗
AWS CloudTrail, AWS Lambda, and Amazon SNS
Why it's wrong here
Lambda requires custom code, which the administrator wants to avoid.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse S3 event notifications (object-level) with CloudTrail (management-level), or they assume CloudWatch Logs metric filters are the only way to trigger alarms from logs, overlooking EventBridge's direct event-driven capability for real-time notification without custom code.
Detailed technical explanation
How to think about this question
CloudTrail management events are logged by default and can be streamed to EventBridge in near real-time (typically within 15 seconds). EventBridge uses a rule with an event pattern matching the specific API call (e.g., `PutBucketPolicy`) to route the event to an SNS topic, which then delivers the email via the SNS email protocol (JSON or text). This architecture avoids the polling and metric evaluation delays inherent in CloudWatch Logs metric filters and alarms.
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 and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS CloudTrail, Amazon CloudWatch Events (Amazon EventBridge), and Amazon SNS — Option A is correct because AWS CloudTrail captures the S3 bucket policy modification as a management event, which can be sent to Amazon EventBridge (formerly CloudWatch Events) as a real-time event. EventBridge can then trigger an SNS topic to send an email notification within minutes, all using fully managed services with no custom code required.
What should I do if I get this SOA-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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This SOA-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 SOA-C02 exam.
Question Discussion
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