DEA-C01 Data Ingestion and Transformation Practice Question
A company wants to ingest real-time data from a social media API into Amazon S3 for analysis. The API provides data as JSON records. Which AWS service is best suited for this ingestion?
⚠ Common exam trap
Watch out — candidates often confuse Amazon Kinesis Data Streams (which requires custom consumers) with Kinesis Data Firehose (which is serverless and directly writes to S3), or they incorrectly assume SQS can directly deliver to S3 without additional processing.
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 Kinesis Data Firehose
Amazon Kinesis Data Firehose is the best choice because it is a fully managed service designed to ingest real-time streaming data, such as JSON records from a social media API, and automatically load it into Amazon S3 with optional data transformation and compression. It handles scaling, buffering, and delivery without requiring custom code or infrastructure management, making it ideal for this use case.
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 Glue
Why it's wrong here
Glue is a batch ETL service, not for real-time ingestion.
- ✓
Amazon Kinesis Data Firehose
Why this is correct
Firehose is designed for streaming data ingestion into S3.
- ✗
Amazon Simple Queue Service (SQS)
Why it's wrong here
SQS is a message queue; it does not directly load to S3.
- ✗
Amazon DataZone
Why it's wrong here
DataZone is a data management service, not for ingestion.
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 |
Go deeper
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.