- A
Use AWS CloudTrail to log IAM changes, and create a CloudWatch Events rule that triggers an SNS notification when specific API calls are made.
CloudTrail logs API calls, and CloudWatch Events provides near real-time event streaming to trigger SNS.
- B
Use AWS Config rules to detect changes and send notifications via SNS.
Why wrong: AWS Config is not designed for real-time notifications; it evaluates periodically or on config changes but may have delays.
- C
Use CloudWatch Logs to monitor IAM activity and create a metric filter to trigger an alarm.
Why wrong: CloudWatch Logs does not directly capture API calls unless logs are streamed from CloudTrail, adding complexity.
- D
Use a Lambda function that periodically checks IAM policies and sends an SNS message if changes are detected.
Why wrong: Periodic checks are not real-time and may miss changes between checks.
Quick Answer
The answer is to use AWS CloudTrail to log IAM changes and create a CloudWatch Events rule that triggers an SNS notification. This combination works because CloudTrail captures every API call made to IAM, including policy modifications, and CloudWatch Events (now part of Amazon EventBridge) can filter for those specific API calls—such as PutRolePolicy or DeletePolicy—and immediately invoke an SNS topic to send a real-time alert. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of event-driven monitoring versus configuration-based tools; a common trap is choosing AWS Config, which is excellent for compliance checks but lacks sub-minute notification speed. Remember that for real-time alert on IAM policy changes, you need the audit trail of CloudTrail paired with the event routing of CloudWatch Events, not a resource configuration service. Memory tip: think “Trail triggers Event, Event notifies SNS” to keep the chain straight.
SOA-C02 Monitoring, Logging, and Remediation Practice Question
This SOA-C02 practice question tests your understanding of monitoring, logging, and remediation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 needs to monitor for unauthorized changes to critical IAM policies. The SysOps administrator must receive notifications within minutes of any change. Which combination of AWS services should the administrator use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Use AWS CloudTrail to log IAM changes, and create a CloudWatch Events rule that triggers an SNS notification when specific API calls are made.
Option B is correct because CloudTrail logs API calls to IAM, and a CloudWatch Events rule (now EventBridge) can trigger an SNS notification for specific API calls. Option A is incorrect because AWS Config evaluates resource configurations but is not the best for real-time notifications. Option C is incorrect because CloudWatch Logs does not directly monitor API calls. Option D is incorrect because Lambda alone cannot monitor without a trigger.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 log IAM changes, and create a CloudWatch Events rule that triggers an SNS notification when specific API calls are made.
Why this is correct
CloudTrail logs API calls, and CloudWatch Events provides near real-time event streaming to trigger SNS.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Use AWS Config rules to detect changes and send notifications via SNS.
Why it's wrong here
AWS Config is not designed for real-time notifications; it evaluates periodically or on config changes but may have delays.
- ✗
Use CloudWatch Logs to monitor IAM activity and create a metric filter to trigger an alarm.
Why it's wrong here
CloudWatch Logs does not directly capture API calls unless logs are streamed from CloudTrail, adding complexity.
- ✗
Use a Lambda function that periodically checks IAM policies and sends an SNS message if changes are detected.
Why it's wrong here
Periodic checks are not real-time and may miss changes between checks.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SOA-C02 NAT questions on configuration and troubleshooting.
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Monitoring, Logging, and Remediation — study guide chapter
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Monitoring, Logging, and Remediation — This question tests Monitoring, Logging, and Remediation — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use AWS CloudTrail to log IAM changes, and create a CloudWatch Events rule that triggers an SNS notification when specific API calls are made. — Option B is correct because CloudTrail logs API calls to IAM, and a CloudWatch Events rule (now EventBridge) can trigger an SNS notification for specific API calls. Option A is incorrect because AWS Config evaluates resource configurations but is not the best for real-time notifications. Option C is incorrect because CloudWatch Logs does not directly monitor API calls. Option D is incorrect because Lambda alone cannot monitor without a trigger.
What should I do if I get this SOA-C02 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SOA-C02 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
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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