- A
Use AWS Data Pipeline to copy logs from each source S3 bucket to the central bucket.
Why wrong: Data Pipeline adds complexity but could work, though not minimal configuration.
- B
Use AWS Glue to crawl the logs from each source and write to a central S3 bucket.
Why wrong: Glue crawls metadata, not data.
- C
Set up Amazon Kinesis Data Firehose to ingest logs from each service and write to S3.
Why wrong: Firehose cannot directly ingest logs from these services; they need custom integration.
- D
Configure each source service to deliver logs directly to the central S3 bucket.
CloudTrail, VPC Flow Logs, and ALB can all deliver to S3 directly.
Question 927 of 1,786
Centralizing AWS Logs (CloudTrail, VPC Flow Logs, ALB) Directly to S3 with Minimal Configuration
This DEA-C01 practice question tests your understanding of data ingestion and transformation. 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 is building a data lake on Amazon S3 and wants to ingest data from multiple AWS services (CloudTrail, VPC Flow Logs, and ALB logs). The data should be stored in a central S3 bucket with a common partitioning scheme. Which service can be used to collect and centralize this data with minimal configuration?
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 each source service to deliver logs directly to the central S3 bucket.
Option D is correct because CloudTrail, VPC Flow Logs, and ALB logs can each be configured to deliver logs directly to a specified S3 bucket, including a central bucket, with no intermediary service required. This approach minimizes configuration overhead and avoids data movement costs, as each service writes natively to S3 using its own built-in delivery mechanism.
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.
- ✗
Use AWS Data Pipeline to copy logs from each source S3 bucket to the central bucket.
Why it's wrong here
Data Pipeline adds complexity but could work, though not minimal configuration.
- ✗
Use AWS Glue to crawl the logs from each source and write to a central S3 bucket.
Why it's wrong here
Glue crawls metadata, not data.
- ✗
Set up Amazon Kinesis Data Firehose to ingest logs from each service and write to S3.
Why it's wrong here
Firehose cannot directly ingest logs from these services; they need custom integration.
- ✓
Configure each source service to deliver logs directly to the central S3 bucket.
Why this is correct
CloudTrail, VPC Flow Logs, and ALB can all deliver to S3 directly.
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 overcomplicate the solution by choosing a data pipeline or ETL service (like Data Pipeline or Glue) when the simplest and most efficient method is to configure each source service to write directly to the central S3 bucket, leveraging native AWS integrations.
Detailed technical explanation
How to think about this question
Each of these AWS services (CloudTrail, VPC Flow Logs, ALB logs) has a native S3 delivery target that can be specified at creation time, using S3 bucket policies to grant write permissions. For example, CloudTrail uses a trail configuration with an S3 bucket ARN, while VPC Flow Logs and ALB logs use a destination ARN in their respective console or API settings. This direct-to-S3 pattern avoids intermediary data pipelines, reduces latency, and simplifies IAM permissions by relying on AWS service-linked roles.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Data Ingestion and Transformation — study guide chapter
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FAQ
Questions learners often ask
What does this DEA-C01 question test?
Data Ingestion and Transformation — This question tests Data Ingestion and Transformation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure each source service to deliver logs directly to the central S3 bucket. — Option D is correct because CloudTrail, VPC Flow Logs, and ALB logs can each be configured to deliver logs directly to a specified S3 bucket, including a central bucket, with no intermediary service required. This approach minimizes configuration overhead and avoids data movement costs, as each service writes natively to S3 using its own built-in delivery mechanism.
What should I do if I get this DEA-C01 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 DEA-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 DEA-C01 exam.
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