- A
Amazon Kinesis Data Firehose
Why wrong: Firehose loads data to destinations, but real-time transformations are limited.
- B
Amazon SQS
Why wrong: SQS is a message queue, not a streaming analytics service.
- C
Amazon Kinesis Data Analytics
Kinesis Data Analytics processes streaming data in real time.
- D
AWS Lambda
Why wrong: Lambda can process data but is not purpose-built for streaming analytics.
Question 1,343 of 1,746
SAP-C02 Design for New Solutions Practice Question
This SAP-C02 practice question tests your understanding of design for new solutions. 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 company is designing a new application that will process streaming data from IoT devices. They need to ingest data in real time and apply transformations before storing it in Amazon S3. Which AWS service should they use?
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 Analytics
Amazon Kinesis Data Analytics (now part of Amazon Managed Service for Apache Flink) is the correct choice because the question explicitly requires applying transformations to streaming data in real time before storing it in Amazon S3. Kinesis Data Analytics allows you to run SQL or Apache Flink applications directly on streaming data to perform transformations, aggregations, and filtering, and then output the results to a destination like Amazon S3 via Kinesis Data Firehose.
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.
- ✗
Amazon Kinesis Data Firehose
Why it's wrong here
Firehose loads data to destinations, but real-time transformations are limited.
- ✗
Amazon SQS
Why it's wrong here
SQS is a message queue, not a streaming analytics service.
- ✓
Amazon Kinesis Data Analytics
Why this is correct
Kinesis Data Analytics processes streaming data in real time.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
AWS Lambda
Why it's wrong here
Lambda can process data but is not purpose-built for streaming analytics.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Kinesis Data Firehose's ability to deliver data to S3 with the need for real-time transformations, overlooking that Firehose only supports basic transformations and not the complex, stateful stream processing that Kinesis Data Analytics provides.
Detailed technical explanation
How to think about this question
Under the hood, Kinesis Data Analytics uses Apache Flink to provide exactly-once processing semantics and support for event time, watermarking, and complex windowed aggregations. This enables use cases like real-time anomaly detection or sliding window averages on IoT sensor data, which cannot be achieved with simple Lambda-based transformations. The service can also read directly from Kinesis Data Streams or Amazon MSK, process the data using SQL or Flink, and then write to a Firehose delivery stream that lands the results in S3.
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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Design for New Solutions — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Design for New Solutions — This question tests Design for New Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon Kinesis Data Analytics — Amazon Kinesis Data Analytics (now part of Amazon Managed Service for Apache Flink) is the correct choice because the question explicitly requires applying transformations to streaming data in real time before storing it in Amazon S3. Kinesis Data Analytics allows you to run SQL or Apache Flink applications directly on streaming data to perform transformations, aggregations, and filtering, and then output the results to a destination like Amazon S3 via Kinesis Data Firehose.
What should I do if I get this SAP-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: Jun 24, 2026
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