The answer is to enable S3 event notifications and send them directly to Amazon EventBridge, then create a rule that publishes to an SNS topic. This is the most efficient approach because EventBridge acts as a serverless event bus that receives S3 object deletion events in real time, allowing you to route them to SNS without needing to poll CloudTrail logs or set up a separate Lambda function for filtering. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of native S3 integration with EventBridge versus less efficient methods like CloudTrail log analysis or S3 inventory reports. A common trap is choosing S3 event notifications to Lambda or SQS directly, but EventBridge offers more flexible filtering and routing with lower latency for immediate alerts. Memory tip: think "S3 to EB to SNS" as the express lane for deletion alerts—no logs, no polling, just instant notification.
SOA-C02 Monitoring, Logging, and Remediation Practice Question
This SOA-C02 practice question tests your understanding of monitoring, logging, and remediation. 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 company has an S3 bucket that stores sensitive data. The security team requires an alert whenever an object in the bucket is deleted. What is the MOST efficient way to achieve this?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable S3 event notifications and send them to Amazon EventBridge, then create a rule to publish to SNS.
Option D is correct because S3 event notifications can be sent directly to Amazon EventBridge, which allows you to create a rule that triggers an SNS topic for real-time alerts on object deletions. This approach is the most efficient as it avoids the overhead of log analysis or polling, providing immediate notification with minimal latency.
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.
✗
Configure S3 access logs and stream them to CloudWatch Logs, then create a metric filter.
Why it's wrong here
Access logs are not real-time and require log analysis.
✗
Use S3 Inventory to generate a daily report and check for deletes.
Why it's wrong here
Inventory is not real-time and does not provide event-driven alerts.
✗
Enable AWS CloudTrail data events for the S3 bucket and create a CloudWatch metric filter.
Why it's wrong here
CloudTrail data events can be expensive and require additional setup for alerting.
✓
Enable S3 event notifications and send them to Amazon EventBridge, then create a rule to publish to SNS.
Why this is correct
S3 events can be sent to EventBridge with low overhead and 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 assume CloudTrail data events (Option C) are the best for monitoring S3 operations, but they overlook the latency and cost implications, whereas S3 event notifications via EventBridge provide the most efficient real-time alerting for object deletions.
Detailed technical explanation
How to think about this question
S3 event notifications for object deletion (s3:ObjectRemoved:*) are sent to EventBridge as events with a specific detail-type, allowing EventBridge rules to match and route to targets like SNS, Lambda, or SQS. Under the hood, EventBridge uses a default event bus and can filter on the 'eventName' field, enabling precise, low-latency alerting without the need for log parsing or polling. In a real-world scenario, this setup is critical for compliance where immediate action (e.g., invoking a Lambda to restore the object from a versioning-enabled bucket) is required upon deletion.
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, Logging, and Remediation — This question tests Monitoring, Logging, and Remediation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable S3 event notifications and send them to Amazon EventBridge, then create a rule to publish to SNS. — Option D is correct because S3 event notifications can be sent directly to Amazon EventBridge, which allows you to create a rule that triggers an SNS topic for real-time alerts on object deletions. This approach is the most efficient as it avoids the overhead of log analysis or polling, providing immediate notification with minimal latency.
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.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company stores critical data in an S3 bucket and wants to be notified immediately when any object is deleted from the bucket. Which combination of services should the SysOps administrator use?
easy
✓ A.Configure an S3 event notification for 's3:ObjectRemoved:*' events to send to an SNS topic.
B.Enable S3 server access logging and send logs to CloudWatch Logs, then create a metric filter and alarm.
C.Use S3 event notifications to invoke a Lambda function that checks the object and sends an email.
D.Use AWS CloudTrail to log DeleteObject calls and create a CloudWatch Events rule to send an SNS notification.
Why A: Option A is correct because S3 event notifications can be configured to trigger on 's3:ObjectRemoved:*' events, which cover both permanent and versioned object deletions. These notifications can be sent directly to an SNS topic, enabling immediate notification without additional compute or logging overhead. This is the simplest and most direct approach for real-time alerts on object deletions.
Last reviewed: Jun 24, 2026
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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.
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