The answer is to update the existing trail to be a multi-region trail. This is the most efficient way to log API calls from all AWS regions because a single multi-region trail automatically creates identical trails in every region, collecting management events without requiring manual setup or additional trails. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this question tests your understanding of CloudTrail’s centralized logging capabilities versus the overhead of managing per-region trails—a common trap is thinking you need separate trails for each region or confusing CloudTrail with services like S3 event notifications or CloudWatch Events, which do not capture API calls. A key memory tip: think of a multi-region trail as a “one-to-many” setup—one trail, all regions—whereas creating individual trails is “many-to-many,” which is less efficient and harder to audit.
SOA-C02 Security and Compliance Practice Question
This SOA-C02 practice question tests your understanding of security and compliance. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Network Topology
Refer to the exhibit. A company has a CloudTrail trail in us-east-1 that logs events for that region only. The company operates in multiple regions and wants to ensure all API calls from all regions are logged. 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
✓
Update the existing trail to be a multi-region trail.
Option C is correct because updating the trail to be multi-region is the most efficient way to log events from all regions. Option A is wrong because creating new trails in each region is less efficient. Option B is wrong because using S3 event notifications does not capture API calls. Option D is wrong because CloudWatch Events is not used for logging API calls.
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 Amazon CloudWatch Events to capture API calls from all regions.
Why it's wrong here
CloudWatch Events does not capture API calls; it responds to events.
✗
Use S3 event notifications to trigger a Lambda function that logs API calls.
Why it's wrong here
S3 event notifications only log S3 events, not all API calls.
✗
Create a new CloudTrail trail in each region.
Why it's wrong here
This is inefficient and harder to manage.
✓
Update the existing trail to be a multi-region trail.
Why this is correct
A multi-region trail logs events from all regions.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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.
Detailed technical explanation
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.
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 SOA-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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: Update the existing trail to be a multi-region trail. — Option C is correct because updating the trail to be multi-region is the most efficient way to log events from all regions. Option A is wrong because creating new trails in each region is less efficient. Option B is wrong because using S3 event notifications does not capture API calls. Option D is wrong because CloudWatch Events is not used for logging API calls.
What should I do if I get this SOA-C02 question wrong?
Identify which SOA-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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