SAA-C03 Design Secure Architectures Practice Question
This SAA-C03 practice question tests your understanding of design secure architectures. 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.
Based on the exhibit, the security team wants centralized detection and alerting for both successful and failed attempts to change S3 bucket policies and KMS key policies across multiple accounts. Which approach best meets the requirement?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Enable S3 server access logging on each bucket and archive the logs in the security account.
Why wrong: Server access logs do not capture KMS key policy changes or rich API management events.
B
Use AWS Config rules only, because Config records every successful and failed API call automatically.
Why wrong: AWS Config tracks configuration state, but it is not the primary mechanism for failed API attempt alerting across all services.
C
Create an organization CloudTrail trail for management events and add EventBridge rules in the security account to alert on PutBucketPolicy and PutKeyPolicy events, including failed calls.
An organization trail captures the API activity across accounts, and EventBridge can route both successful and failed management events to alerts centrally.
D
Enable GuardDuty in every account and use its findings as the main source for policy change notifications.
Why wrong: GuardDuty is valuable for threat detection, but it is not a direct, comprehensive audit trail for policy change API calls.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an organization CloudTrail trail for management events and add EventBridge rules in the security account to alert on PutBucketPolicy and PutKeyPolicy events, including failed calls.
Option C is correct because an organization CloudTrail trail captures management events (including PutBucketPolicy and PutKeyPolicy) across all accounts in the organization, and EventBridge rules in the security account can filter for both successful and failed API calls (using the `errorCode` field) to trigger centralized alerts. This provides the required centralized detection and alerting for policy changes across multiple accounts.
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 S3 server access logging on each bucket and archive the logs in the security account.
Why it's wrong here
Server access logs do not capture KMS key policy changes or rich API management events.
✗
Use AWS Config rules only, because Config records every successful and failed API call automatically.
Why it's wrong here
AWS Config tracks configuration state, but it is not the primary mechanism for failed API attempt alerting across all services.
✓
Create an organization CloudTrail trail for management events and add EventBridge rules in the security account to alert on PutBucketPolicy and PutKeyPolicy events, including failed calls.
Why this is correct
An organization trail captures the API activity across accounts, and EventBridge can route both successful and failed management events to alerts centrally.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable GuardDuty in every account and use its findings as the main source for policy change notifications.
Why it's wrong here
GuardDuty is valuable for threat detection, but it is not a direct, comprehensive audit trail for policy change API calls.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse S3 server access logging (which logs object-level access) with CloudTrail (which logs management API calls), or assume AWS Config automatically records all API calls, when in fact Config only tracks configuration changes and not failed API attempts.
Detailed technical explanation
How to think about this question
CloudTrail management events include both successful and failed API calls (e.g., `PutBucketPolicy` with an `errorCode` of `AccessDenied`), and EventBridge can match on the `eventName` and `errorCode` fields to trigger targeted alerts. An organization trail is essential for multi-account environments because it aggregates logs from all member accounts into a single trail in the management account, which can then be shared with the security account via cross-account EventBridge rules. This approach avoids the need to configure individual trails per account and ensures centralized visibility.
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.
Design Secure Architectures — This question tests Design Secure Architectures — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create an organization CloudTrail trail for management events and add EventBridge rules in the security account to alert on PutBucketPolicy and PutKeyPolicy events, including failed calls. — Option C is correct because an organization CloudTrail trail captures management events (including PutBucketPolicy and PutKeyPolicy) across all accounts in the organization, and EventBridge rules in the security account can filter for both successful and failed API calls (using the `errorCode` field) to trigger centralized alerts. This provides the required centralized detection and alerting for policy changes across multiple accounts.
What should I do if I get this SAA-C03 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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 →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This SAA-C03 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 SAA-C03 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.