- A
Enable CloudTrail with SSE-C encryption and enable AWS CloudTrail Insights to log access.
Why wrong: SSE-C is not supported by CloudTrail.
- B
Enable CloudTrail with SSE-S3 encryption and enable S3 server access logging on the destination bucket.
Why wrong: SSE-S3 does not allow customer-managed keys, and while server access logging is possible, SSE-S3 provides less control.
- C
Enable CloudTrail with default encryption and enable AWS Config to log access.
Why wrong: Default encryption uses SSE-S3, and AWS Config does not log access to S3 objects.
- D
Enable CloudTrail with SSE-KMS encryption and enable S3 server access logging on the destination bucket.
CloudTrail supports SSE-KMS for encryption at rest, and S3 server access logs capture requests to the bucket.
Quick Answer
The correct answer is to enable CloudTrail with SSE-KMS encryption and enable S3 server access logging on the destination bucket. This works because SSE-KMS provides envelope encryption with a customer-managed key, giving you control over key rotation and access policies, while S3 server access logs capture detailed records of every request made to the bucket, including who accessed the encrypted log files and when. On the AWS Certified Security Specialty SCS-C02 exam, this question tests your understanding that CloudTrail supports only SSE-KMS and SSE-S3 for encryption—SSE-C is not supported, and SSE-S3 alone cannot log access. A common trap is assuming CloudTrail’s own log file validation or CloudWatch Logs provides access logging, but only S3 server access logs fulfill the requirement to log access to the files themselves. Memory tip: think “KMS for keys, S3 logs for peeks”—encryption and auditing are two separate layers that must both be enabled.
SCS-C02 Security Logging and Monitoring Practice Question
This SCS-C02 practice question tests your understanding of security logging and monitoring. 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 security engineer is configuring AWS CloudTrail to log management events for all AWS regions. The engineer needs to ensure that log files are encrypted at rest and that access to the log files is logged. Which solution meets these requirements?
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
Enable CloudTrail with SSE-KMS encryption and enable S3 server access logging on the destination bucket.
Option C is correct because CloudTrail can be configured to use SSE-KMS for encryption, and S3 server access logs can log access to the log files. Option A is wrong because SSE-S3 does not provide access logging. Option B is wrong because SSE-C is not supported by CloudTrail. Option D is wrong because CloudWatch Logs does not encrypt log files at rest by default.
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 with SSE-C encryption and enable AWS CloudTrail Insights to log access.
Why it's wrong here
SSE-C is not supported by CloudTrail.
- ✗
Enable CloudTrail with SSE-S3 encryption and enable S3 server access logging on the destination bucket.
Why it's wrong here
SSE-S3 does not allow customer-managed keys, and while server access logging is possible, SSE-S3 provides less control.
- ✗
Enable CloudTrail with default encryption and enable AWS Config to log access.
Why it's wrong here
Default encryption uses SSE-S3, and AWS Config does not log access to S3 objects.
- ✓
Enable CloudTrail with SSE-KMS encryption and enable S3 server access logging on the destination bucket.
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 SCS-C02 NAT questions on configuration and troubleshooting.
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Security Logging and Monitoring — study guide chapter
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Security Logging and Monitoring practice questions
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
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: Enable CloudTrail with SSE-KMS encryption and enable S3 server access logging on the destination bucket. — Option C is correct because CloudTrail can be configured to use SSE-KMS for encryption, and S3 server access logs can log access to the log files. Option A is wrong because SSE-S3 does not provide access logging. Option B is wrong because SSE-C is not supported by CloudTrail. Option D is wrong because CloudWatch Logs does not encrypt log files at rest by default.
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.
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 →
Same concept, more angles
1 more ways this is tested on SCS-C02
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. Refer to the exhibit. A security engineer reviews the CloudTrail trail configuration. What is a security concern?
medium- A.The trail is not multi-region
- ✓ B.The logs are not encrypted with a customer-managed KMS key
- C.Log file validation is not enabled
- D.CloudWatch Logs integration is missing
Why B: The security concern is that the CloudTrail logs are not encrypted with a customer-managed KMS key. By default, CloudTrail encrypts log files using SSE-S3 (S3-managed keys), which does not provide the customer with control over key rotation, access policies, or the ability to audit key usage. Using a customer-managed KMS key ensures that only authorized principals can decrypt the logs, and it enables fine-grained access control and audit trails via CloudTrail and CloudWatch Logs, which is critical for compliance and security monitoring.
Last reviewed: Jun 20, 2026
This SCS-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 SCS-C02 exam.
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