- A
Enable CloudTrail to log management events and data events for all resources.
The trail must be logging events to generate digest files.
- B
Ensure that the S3 bucket for CloudTrail logs has the appropriate bucket policy to allow CloudTrail to write digest files.
Digest files are written to the same bucket, requiring proper permissions.
- C
Create a customer-managed KMS key to encrypt the digest files.
Why wrong: Integrity validation does not require encryption; it uses SHA-256 hashing.
- D
Create a new CloudTrail trail or update an existing one to enable log file integrity validation.
This must be enabled at the trail level.
- E
Configure CloudTrail to deliver logs to CloudWatch Logs for real-time analysis.
Why wrong: This is optional and not required for integrity validation.
Quick Answer
The answer is to create a new CloudTrail trail or update an existing one to enable log file integrity validation. This works because integrity validation relies on digest files that contain SHA-256 hashes of your log files, and these digests are only generated for trails that are actively capturing management and data events; without event logging, there are no log files to hash and validate. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this concept tests your understanding that enabling integrity validation is not a standalone toggle—it requires the trail to first be configured to log events, which is a common trap where candidates assume validation can be enabled on an empty trail. A helpful memory tip is “No logs, no digests, no validation”—always ensure your trail is actively logging before you enable integrity checks.
SOA-C02 Security and Compliance Practice Question
This SOA-C02 practice question tests your understanding of security and compliance. 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.
Which THREE steps are required to enable AWS CloudTrail log file integrity validation? (Choose three.)
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 to log management events and data events for all resources.
Option A is correct because enabling CloudTrail to log management events and data events for all resources is a prerequisite for log file integrity validation. The integrity validation process relies on digest files that contain hashes of the log files, and these digest files are only generated for trails that capture events. Without logging events, there are no log files to validate, making this step essential for the integrity validation feature to function.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 to log management events and data events for all resources.
Why this is correct
The trail must be logging events to generate digest files.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Ensure that the S3 bucket for CloudTrail logs has the appropriate bucket policy to allow CloudTrail to write digest files.
Why this is correct
Digest files are written to the same bucket, requiring proper permissions.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a customer-managed KMS key to encrypt the digest files.
Why it's wrong here
Integrity validation does not require encryption; it uses SHA-256 hashing.
- ✓
Create a new CloudTrail trail or update an existing one to enable log file integrity validation.
Why this is correct
This must be enabled at the trail level.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Configure CloudTrail to deliver logs to CloudWatch Logs for real-time analysis.
Why it's wrong here
This is optional and not required for integrity validation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse encryption (KMS) with integrity validation (hashing), assuming that enabling encryption is a required step for integrity, when in fact CloudTrail handles digest file signing and hashing independently of any KMS encryption settings.
Detailed technical explanation
How to think about this question
Log file integrity validation uses SHA-256 hashing to create digest files that are delivered to the same S3 bucket as the log files, with a separate digest prefix. Each digest file contains a hash of the previous digest file, forming a chain that allows you to verify that log files have not been tampered with since delivery. The validation process can be performed using the AWS CLI command `aws cloudtrail validate-logs`, which automatically downloads and verifies the digest chain against the public key published by AWS.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Security and Compliance — study guide chapter
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Security and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable CloudTrail to log management events and data events for all resources. — Option A is correct because enabling CloudTrail to log management events and data events for all resources is a prerequisite for log file integrity validation. The integrity validation process relies on digest files that contain hashes of the log files, and these digest files are only generated for trails that capture events. Without logging events, there are no log files to validate, making this step essential for the integrity validation feature to function.
What should I do if I get this SOA-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 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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