- A
AWS Lambda with S3 SDK
Why wrong: Requires custom code.
- B
AWS Glue with a Python shell job
Why wrong: Glue is not designed for webhook ingestion.
- C
Amazon Kinesis Data Streams
Why wrong: Requires a custom producer to put records.
- D
Amazon API Gateway with S3 integration
API Gateway can directly write to S3.
- E
Amazon API Gateway with Kinesis Data Firehose integration
API Gateway can receive webhooks and integrate with Firehose.
Question 45 of 1,786
DEA-C01 Data Ingestion and Transformation Practice Question
This DEA-C01 practice question tests your understanding of data ingestion and transformation. 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.
A data engineer needs to ingest data from a SaaS application that sends webhooks in JSON format. The data must be stored in S3 for batch analysis. Which AWS services can receive the webhooks and store the data in S3 with minimal custom code? (Choose TWO.)
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
✓
Amazon API Gateway with S3 integration
Amazon API Gateway with S3 integration (Option D) allows you to create a REST API that directly writes incoming webhook payloads to an S3 bucket without any custom code, using a proxy integration with an AWS service. This minimizes custom code because the integration handles the mapping and storage automatically.
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.
- ✗
AWS Lambda with S3 SDK
Why it's wrong here
Requires custom code.
- ✗
AWS Glue with a Python shell job
Why it's wrong here
Glue is not designed for webhook ingestion.
- ✗
Amazon Kinesis Data Streams
Why it's wrong here
Requires a custom producer to put records.
- ✓
Amazon API Gateway with S3 integration
Why this is correct
API Gateway can directly write to S3.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Amazon API Gateway with Kinesis Data Firehose integration
Why this is correct
API Gateway can receive webhooks and integrate with Firehose.
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 assume Lambda is the only serverless option for webhook ingestion, overlooking API Gateway's direct S3 integration, or they mistakenly think Kinesis Data Streams can directly receive HTTP requests without a custom producer.
Detailed technical explanation
How to think about this question
API Gateway's AWS service integration uses a 'AWS_PROXY' or 'AWS' integration type to map incoming HTTP requests to S3 PutObject actions via a role with appropriate permissions. The integration request template can transform the webhook JSON into the required S3 request format, and the response can be configured to return a 200 status to the webhook sender. In contrast, Kinesis Data Firehose (Option E) can be integrated with API Gateway to buffer and automatically deliver data to S3, but it adds a slight latency (60 seconds minimum buffer) and requires a Firehose delivery stream configuration.
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.
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 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: Amazon API Gateway with S3 integration — Amazon API Gateway with S3 integration (Option D) allows you to create a REST API that directly writes incoming webhook payloads to an S3 bucket without any custom code, using a proxy integration with an AWS service. This minimizes custom code because the integration handles the mapping and storage automatically.
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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