The correct answer is to designate an administrator account in GuardDuty and create an Amazon EventBridge rule that triggers an SNS notification for high-severity findings. Designating an administrator account within AWS Organizations centralizes GuardDuty findings from all member accounts into a single pane of glass, satisfying the need for multi-account visibility. To meet the real-time alerting requirement, an EventBridge rule can filter for high-severity GuardDuty findings and route them directly to an SNS topic, enabling immediate notifications. On the SCS-C02 exam, this pairing tests your understanding of GuardDuty’s delegated administrator model versus manual member management, and the distinction between event-driven alerting (EventBridge) and post-incident analysis tools like Amazon Detective. A common trap is selecting AWS Config or CloudTrail, which do not aggregate GuardDuty findings or provide real-time alerts. Memory tip: “Admin for eyes, EventBridge for cries”—the administrator account gives you the view, and EventBridge with SNS gives you the alert.
SCS-C02 Security Logging and Monitoring Practice Question
This SCS-C02 practice question tests your understanding of security logging and monitoring. 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 security engineer is configuring Amazon GuardDuty in a multi-account environment using AWS Organizations. The engineer needs to ensure that all findings from member accounts are visible in the administrator account. Additionally, the engineer wants to receive real-time notifications for high-severity findings. Which TWO actions should the engineer take? (Choose TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Designate an administrator account in GuardDuty to manage the multi-account environment.
Option A is correct because designating an administrator account in GuardDuty allows centralized viewing of findings. Option C is correct because creating an EventBridge rule that matches GuardDuty findings and sends to SNS enables real-time notifications. Option B is wrong because enabling CloudTrail does not aggregate GuardDuty findings. Option D is wrong because Amazon Detective is for deeper investigation, not real-time notifications. Option E is wrong because AWS Config does not provide real-time notifications for GuardDuty findings.
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 Amazon Detective to analyze GuardDuty findings.
Why it's wrong here
Detective is for investigation, not real-time notification.
✓
Designate an administrator account in GuardDuty to manage the multi-account environment.
Why this is correct
The administrator account can view findings from all member accounts.
Related concept
Static NAT maps one inside address to one outside address.
✓
Create an Amazon EventBridge rule that triggers an SNS notification for high-severity GuardDuty findings.
Why this is correct
EventBridge can filter GuardDuty findings and send notifications via SNS.
Related concept
Static NAT maps one inside address to one outside address.
✗
Enable AWS CloudTrail in all member accounts to log GuardDuty API calls.
Why it's wrong here
CloudTrail does not aggregate GuardDuty findings.
✗
Use AWS Config to monitor GuardDuty configuration.
Why it's wrong here
Config does not provide real-time notifications for findings.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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 SCS-C02 NAT questions on configuration and troubleshooting.
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Designate an administrator account in GuardDuty to manage the multi-account environment. — Option A is correct because designating an administrator account in GuardDuty allows centralized viewing of findings. Option C is correct because creating an EventBridge rule that matches GuardDuty findings and sends to SNS enables real-time notifications. Option B is wrong because enabling CloudTrail does not aggregate GuardDuty findings. Option D is wrong because Amazon Detective is for deeper investigation, not real-time notifications. Option E is wrong because AWS Config does not provide real-time notifications for GuardDuty findings.
What should I do if I get this SCS-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 SCS-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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