- A
Modify the application code to write logs directly to an S3 bucket with lifecycle policies.
Why wrong: This requires code changes and does not handle rotation of existing logs.
- B
Add a cron job to the EC2 instances that compresses and deletes old logs.
Why wrong: This is a manual workaround and not integrated with Beanstalk.
- C
Configure the Elastic Beanstalk environment to enable log rotation and set retention period to 30 days.
Elastic Beanstalk provides built-in log rotation and retention settings.
- D
Install the CloudWatch Logs agent on the EC2 instances and configure it to stream logs to CloudWatch Logs with a 30-day retention.
Why wrong: This streams logs but does not handle local log rotation automatically.
Question 509 of 1,616
Configuring Log Rotation and Retention in Elastic Beanstalk
This DVA-C02 practice question tests your understanding of development with aws services. 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 developer is using AWS Elastic Beanstalk to deploy a web application. The application writes logs to the local file system. The developer wants to ensure that logs are automatically rotated and retained for 30 days. What should the developer 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
✓
Configure the Elastic Beanstalk environment to enable log rotation and set retention period to 30 days.
Option C is correct because Elastic Beanstalk provides a built-in configuration for log rotation and retention directly in the environment settings. By enabling log rotation and setting the retention period to 30 days, the developer can automatically manage logs without modifying application code or adding external agents. This leverages the Elastic Beanstalk health agent, which handles log rotation on the EC2 instances and stores rotated logs in Amazon S3 with lifecycle policies to enforce the retention period.
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.
- ✗
Modify the application code to write logs directly to an S3 bucket with lifecycle policies.
Why it's wrong here
This requires code changes and does not handle rotation of existing logs.
- ✗
Add a cron job to the EC2 instances that compresses and deletes old logs.
Why it's wrong here
This is a manual workaround and not integrated with Beanstalk.
- ✓
Configure the Elastic Beanstalk environment to enable log rotation and set retention period to 30 days.
Why this is correct
Elastic Beanstalk provides built-in log rotation and retention settings.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Install the CloudWatch Logs agent on the EC2 instances and configure it to stream logs to CloudWatch Logs with a 30-day retention.
Why it's wrong here
This streams logs but does not handle local log rotation automatically.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often overcomplicate the solution by choosing CloudWatch Logs (Option D) because it is a common logging service, but the question specifically asks for automatic rotation and retention on the local file system, which Elastic Beanstalk's built-in feature handles directly without additional services.
Detailed technical explanation
How to think about this question
Elastic Beanstalk's log rotation works by using the health agent (a daemon on each EC2 instance) to rotate logs based on size or time, compressing them and uploading to a dedicated S3 bucket managed by Elastic Beanstalk. The retention period is enforced via S3 lifecycle policies that automatically delete objects older than the specified days. This approach ensures logs are retained even if the instance is terminated, as they are stored centrally in S3, and it avoids the overhead of managing custom scripts or agents.
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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this DVA-C02 question test?
Development with AWS Services — This question tests Development with AWS Services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure the Elastic Beanstalk environment to enable log rotation and set retention period to 30 days. — Option C is correct because Elastic Beanstalk provides a built-in configuration for log rotation and retention directly in the environment settings. By enabling log rotation and setting the retention period to 30 days, the developer can automatically manage logs without modifying application code or adding external agents. This leverages the Elastic Beanstalk health agent, which handles log rotation on the EC2 instances and stores rotated logs in Amazon S3 with lifecycle policies to enforce the retention period.
What should I do if I get this DVA-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: Jul 4, 2026
This DVA-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 DVA-C02 exam.
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