The answer is to create an Amazon EventBridge rule that matches the 'CreateAccessKey' API call and sends an SNS notification. This is the simplest approach because CloudTrail logs all API activity as events, and EventBridge can filter for the specific IAM CreateAccessKey event, then trigger an SNS topic to alert the security team in real time. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this tests your understanding of how EventBridge acts as the central event bus for AWS service notifications, distinguishing it from services like CloudTrail (which only logs) or AWS Config (which evaluates resource state, not API calls). A common trap is confusing CloudTrail’s logging capability with alerting—CloudTrail does not natively send alerts, so you must pair it with EventBridge. Memory tip: think of EventBridge as the “event alarm” that listens for specific API calls, while CloudTrail is just the “event recorder.”
SAP-C02 Continuous Improvement for Existing Solutions Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 is using AWS CloudTrail to log all API activity. The security team wants to be alerted when an IAM user creates a new access key. What is the simplest 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 an Amazon EventBridge rule that matches the 'CreateAccessKey' API call and sends an SNS notification.
Option A is correct because CloudWatch Events (now Amazon EventBridge) can match IAM CreateAccessKey events and trigger a notification. Option B is wrong because S3 events are for object-level operations, not API calls. Option C is wrong because CloudTrail logs events but doesn't natively send alerts. Option D is wrong because Config rules evaluate resource configurations, not API calls.
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.
✗
Configure an S3 event notification on the CloudTrail log bucket to trigger a Lambda function.
Why it's wrong here
S3 events are not for real-time API monitoring.
✗
Set up a CloudTrail trail with log file validation enabled.
Why it's wrong here
Log file validation does not provide alerts.
✗
Use AWS Config to create a rule that checks for access keys.
Why it's wrong here
AWS Config evaluates resource configurations, not API events.
✓
Create an Amazon EventBridge rule that matches the 'CreateAccessKey' API call and sends an SNS notification.
Why this is correct
EventBridge can filter CloudTrail events and trigger actions.
Related concept
Static NAT maps one inside address to one outside address.
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 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.
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 an Amazon EventBridge rule that matches the 'CreateAccessKey' API call and sends an SNS notification. — Option A is correct because CloudWatch Events (now Amazon EventBridge) can match IAM CreateAccessKey events and trigger a notification. Option B is wrong because S3 events are for object-level operations, not API calls. Option C is wrong because CloudTrail logs events but doesn't natively send alerts. Option D is wrong because Config rules evaluate resource configurations, not API calls.
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.
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