The answer is to create a CloudWatch Events rule that matches the CreateAccessKey API call and sends an SNS notification. This is the most efficient approach because CloudTrail logs all API calls, and CloudWatch Events can natively filter those events in real time using event patterns, directly triggering an SNS topic without any custom code or additional infrastructure. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of event-driven security monitoring versus more complex or passive alternatives—common traps include proposing custom metrics or analytics solutions that add unnecessary overhead. The key insight is that CloudWatch Events provides the simplest, serverless bridge between CloudTrail logs and alerting, making it the go-to choice for operational security alerts. Memory tip: think "CloudTrail logs it, CloudWatch rules it, SNS alerts it."
SAP-C02 Continuous Improvement for Existing Solutions Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. 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 uses AWS CloudTrail to log all API calls. The security team wants to be alerted when an IAM user creates a new access key. 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
✓
Create a CloudWatch Events rule that matches the CreateAccessKey API call and sends an SNS notification.
Option A is correct because CloudWatch Events can filter CloudTrail events and trigger a notification via SNS. Option B is wrong because it requires creating a custom metric. Option C is wrong because it is passive. Option D is wrong because it requires custom analytics.
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.
✗
Enable CloudTrail Insights to detect unusual key creation patterns.
Why it's wrong here
Insights is for anomaly detection, not specific event notification.
✓
Create a CloudWatch Events rule that matches the CreateAccessKey API call and sends an SNS notification.
Why this is correct
CloudWatch Events can react to specific CloudTrail events in real-time.
Related concept
Static NAT maps one inside address to one outside address.
✗
Use CloudTrail to publish logs to CloudWatch Logs and create a metric filter to trigger an alarm.
Why it's wrong here
This is also possible but requires more steps; CloudWatch Events is more efficient.
✗
Configure Amazon Athena to query CloudTrail logs and set up a scheduled query to notify.
Why it's wrong here
Athena is for analysis, not real-time notification.
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 SAP-C02 NAT questions on configuration and troubleshooting.
Continuous Improvement for Existing Solutions — This question tests Continuous Improvement for Existing Solutions — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Create a CloudWatch Events rule that matches the CreateAccessKey API call and sends an SNS notification. — Option A is correct because CloudWatch Events can filter CloudTrail events and trigger a notification via SNS. Option B is wrong because it requires creating a custom metric. Option C is wrong because it is passive. Option D is wrong because it requires custom analytics.
What should I do if I get this SAP-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 SAP-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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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 wants to monitor CPU utilization of their EC2 instances and receive an alert when utilization exceeds 80% for 10 minutes. Which AWS service should be used?
easy
A.Amazon Inspector
B.AWS Config
✓ C.Amazon CloudWatch Alarms
D.AWS CloudTrail
Why C: CloudWatch Alarms can monitor metrics and trigger actions when a threshold is breached.
Last reviewed: Jun 20, 2026
Question Discussion
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This SAP-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 SAP-C02 exam.
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