- A
Disable TTL and implement a custom deletion process that logs deletions before removing items.
Why wrong: This adds complexity; TTL is still needed.
- B
Enable DynamoDB Streams on the table and use a Lambda function to log TTL deletion events to CloudWatch Logs.
Streams capture TTL deletions as REMOVE events.
- C
Use AWS CloudTrail to log the UpdateTimeToLive API call.
Why wrong: That logs when TTL is configured, not when items are deleted.
- D
Enable AWS CloudTrail data events for DynamoDB to capture TTL deletions.
Why wrong: CloudTrail data events do not capture TTL deletions.
Question 1,430 of 1,730
Auditing DynamoDB TTL Deletions — Streams and CloudWatch Logs
This DBS-C01 practice question tests your understanding of database security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 is using Amazon DynamoDB with a TTL attribute to automatically delete expired items. The security team is concerned that deleted items might still be recoverable from backups. They need to ensure that once an item is deleted by TTL, it is not included in future on-demand backups. Additionally, they want to ensure that the TTL deletion itself is logged for audit purposes. What should they do?
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 DynamoDB Streams on the table and use a Lambda function to log TTL deletion events to CloudWatch Logs.
Option B is correct. DynamoDB Streams can capture TTL deletions as 'REMOVE' events. By processing these events with a Lambda function and logging them to CloudWatch Logs, the security team can audit TTL deletions. On-demand backups reflect the current table state, so items deleted by TTL before the backup is taken will not be included. Option A is incorrect because disabling TTL and implementing a custom deletion process adds complexity and may not be as efficient. Option C is incorrect because CloudTrail logs the UpdateTimeToLive API call (control plane), not the actual TTL deletions (data plane). Option D is incorrect because CloudTrail data events for DynamoDB capture GetItem, PutItem, etc., but not TTL deletions.
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.
- ✗
Disable TTL and implement a custom deletion process that logs deletions before removing items.
Why it's wrong here
This adds complexity; TTL is still needed.
- ✓
Enable DynamoDB Streams on the table and use a Lambda function to log TTL deletion events to CloudWatch Logs.
Why this is correct
Streams capture TTL deletions as REMOVE events.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS CloudTrail to log the UpdateTimeToLive API call.
Why it's wrong here
That logs when TTL is configured, not when items are deleted.
- ✗
Enable AWS CloudTrail data events for DynamoDB to capture TTL deletions.
Why it's wrong here
CloudTrail data events do not capture TTL deletions.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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 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. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
What to study next
Got this wrong? Here's your next step.
Identify which DBS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Questions learners often ask
What does this DBS-C01 question test?
Database Security — This question tests Database Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable DynamoDB Streams on the table and use a Lambda function to log TTL deletion events to CloudWatch Logs. — Option B is correct. DynamoDB Streams can capture TTL deletions as 'REMOVE' events. By processing these events with a Lambda function and logging them to CloudWatch Logs, the security team can audit TTL deletions. On-demand backups reflect the current table state, so items deleted by TTL before the backup is taken will not be included. Option A is incorrect because disabling TTL and implementing a custom deletion process adds complexity and may not be as efficient. Option C is incorrect because CloudTrail logs the UpdateTimeToLive API call (control plane), not the actual TTL deletions (data plane). Option D is incorrect because CloudTrail data events for DynamoDB capture GetItem, PutItem, etc., but not TTL deletions.
What should I do if I get this DBS-C01 question wrong?
Identify which DBS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 20, 2026
This DBS-C01 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 DBS-C01 exam.
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