← SOA-C02·Amazon Web Services

Question 15 of 1,546

Monitoring, Logging, and Remediation →mediumMultiple ChoiceObjective-mapped

Quick Answer

The correct solution is to configure S3 event notifications for `s3:ObjectCreated:Put` and `s3:ObjectCreated:PutObjectAcl` with a suffix/prefix filter for public grants, sending to an SNS topic. This works because S3 event notifications can be triggered in near-real time when an object is uploaded or its ACL is modified, and by filtering for specific grant strings like `public-read` or `public-read-write`, you directly detect public access without polling or additional services. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of S3 event-driven architecture and the distinction between object-level and bucket-level public access controls; a common trap is choosing AWS Config or Macie, which add latency or complexity. Remember: for fast, low-overhead detection of public objects, pair S3 event notifications with an SNS topic—think "Put and ACL, filter the grant, notify in an instant."

SOA-C02 Monitoring, Logging, and Remediation Practice Question

This SOA-C02 practice question tests your understanding of monitoring, logging, and remediation. 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 uses an Amazon S3 bucket to store sensitive data. The SysOps administrator needs to be notified within 15 minutes if any object in the bucket becomes publicly accessible. Which solution will meet this requirement with the least operational overhead?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.

Question 1mediummultiple choice

Full question →

A
Configure an S3 event notification for all object creation events and publish to an Amazon SNS topic that sends an email alert.
Why wrong: Incorrect. This would send notifications for all object creations, not only when objects become publicly accessible, generating noise.
B
Use an AWS Config managed rule to detect 's3-bucket-public-read-prohibited' and trigger an SNS notification via Amazon EventBridge.
Why wrong: Incorrect. AWS Config evaluates configuration changes periodically (e.g., every 10 minutes) and is not real-time; it may not notify within 15 minutes consistently.
C
Enable Amazon CloudTrail data events for the S3 bucket and create a CloudWatch Logs metric filter for PutObjectAcl (or PutObject with public ACL) and set an alarm.
Why wrong: Incorrect. While this could work, it requires more setup and CloudTrail data events incur additional costs and complexity.
D
Configure S3 event notifications for 's3:ObjectCreated:Put' and 's3:ObjectCreated:PutObjectAcl' with a suffix/prefix filter for public grants, sending to an SNS topic.
Correct. This allows real-time notification specifically when objects are created with public ACLs, meeting the requirement with minimal overhead.

Full breakdown with real-world context →

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

✓

Configure S3 event notifications for 's3:ObjectCreated:Put' and 's3:ObjectCreated:PutObjectAcl' with a suffix/prefix filter for public grants, sending to an SNS topic.

Option D is correct because S3 event notifications can be configured specifically for `s3:ObjectCreated:Put` and `s3:ObjectCreated:PutObjectAcl` events, and you can filter by prefix/suffix to detect public grants (e.g., `public-read` or `public-read-write`). This directly triggers an SNS topic for near-real-time notification within seconds, meeting the 15-minute requirement with minimal overhead, as no additional services or complex configurations are needed.

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.

✗
Configure an S3 event notification for all object creation events and publish to an Amazon SNS topic that sends an email alert.
Why it's wrong here
Incorrect. This would send notifications for all object creations, not only when objects become publicly accessible, generating noise.
✗
Use an AWS Config managed rule to detect 's3-bucket-public-read-prohibited' and trigger an SNS notification via Amazon EventBridge.
Why it's wrong here
Incorrect. AWS Config evaluates configuration changes periodically (e.g., every 10 minutes) and is not real-time; it may not notify within 15 minutes consistently.
✗
Enable Amazon CloudTrail data events for the S3 bucket and create a CloudWatch Logs metric filter for PutObjectAcl (or PutObject with public ACL) and set an alarm.
Why it's wrong here
Incorrect. While this could work, it requires more setup and CloudTrail data events incur additional costs and complexity.
✓
Configure S3 event notifications for 's3:ObjectCreated:Put' and 's3:ObjectCreated:PutObjectAcl' with a suffix/prefix filter for public grants, sending to an SNS topic.
Why this is correct
Correct. This allows real-time notification specifically when objects are created with public ACLs, meeting the requirement with minimal overhead.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often choose CloudTrail or Config because they associate them with security monitoring, but they overlook the latency and overhead of those services compared to the direct, low-latency S3 event notification mechanism designed for real-time object-level alerts.

Detailed technical explanation

How to think about this question

S3 event notifications use a push-based model where S3 sends events to SNS, SQS, or Lambda within seconds of the object creation or ACL modification, making it the fastest and simplest approach. The `PutObjectAcl` event is triggered when an ACL is explicitly set via the S3 API, while `PutObject` with a public ACL (e.g., `x-amz-acl: public-read`) also generates an `s3:ObjectCreated:Put` event; filtering by suffix/prefix on the object key or using a Lambda function to inspect the ACL can further refine detection. In contrast, CloudTrail data events are delivered to CloudWatch Logs in batches with a typical delay of 5–15 minutes, and Config rules evaluate resources periodically or on configuration changes, which may not capture object-level ACL changes promptly.

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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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Monitoring, Logging, and Remediation — This question tests Monitoring, Logging, and Remediation — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Configure S3 event notifications for 's3:ObjectCreated:Put' and 's3:ObjectCreated:PutObjectAcl' with a suffix/prefix filter for public grants, sending to an SNS topic. — Option D is correct because S3 event notifications can be configured specifically for `s3:ObjectCreated:Put` and `s3:ObjectCreated:PutObjectAcl` events, and you can filter by prefix/suffix to detect public grants (e.g., `public-read` or `public-read-write`). This directly triggers an SNS topic for near-real-time notification within seconds, meeting the 15-minute requirement with minimal overhead, as no additional services or complex configurations are needed.

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.

Are there clue words in this question I should notice?

Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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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.