Quick Answer
The answer is Amazon Kinesis Data Streams, as it serves as the primary ingestion point for real-time IoT streaming data due to its ability to handle high-throughput, low-latency data from thousands of devices. Each device sends 1 KB of JSON per second, and Kinesis Data Streams can ingest and persist this data durably while allowing multiple consumer applications to process it concurrently for real-time analytics. On the AWS Certified Data Engineer Associate DEA-C01 exam, this question tests your understanding of streaming ingestion patterns versus message queuing or delivery services; a common trap is choosing Amazon SQS for its simplicity, but SQS is designed for decoupled message queues, not for real-time streaming with multiple consumers. Another pitfall is Amazon Kinesis Data Firehose, which lacks native support for multiple real-time consumers and is better suited for near-real-time loading into data stores. Remember the memory tip: “Streams for streams, Firehose for stores”—Kinesis Data Streams is the durable, replayable pipeline for live data, while Firehose delivers to destinations.
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 company wants to ingest data from thousands of IoT devices into AWS for real-time analytics. The data is in JSON format and each device sends about 1 KB every second. Which service should be used as the primary ingestion point?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
AWS IoT Core
Why wrong: IoT-specific, but Kinesis is more general.
Amazon Kinesis Data Firehose
Why wrong: Simpler but cannot support multiple real-time consumers.
Amazon SQS
Why wrong: Not designed for real-time streaming analytics.
Amazon Kinesis Data Streams
Handles high-volume streaming data.
Answer choices
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 Streams
Option B is correct because Kinesis Data Streams can handle high throughput real-time data from many sources. Option A (SQS) is for message queuing, not streaming analytics. Option C (Firehose) could be used but lacks the ability to have multiple consumers for real-time processing. Option D (IoT Core) is specifically for IoT but not as general-purpose.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AWS IoT Core
Why it's wrong here
IoT-specific, but Kinesis is more general.
Amazon Kinesis Data Firehose
Why it's wrong here
Simpler but cannot support multiple real-time consumers.
Amazon SQS
Why it's wrong here
Not designed for real-time streaming analytics.
Amazon Kinesis Data Streams
Why this is correct
Handles high-volume streaming data.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which DEA-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Data Ingestion and Transformation — study guide chapter
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FAQ
Data Ingestion and Transformation — This question tests Data Ingestion and Transformation — Read the scenario before looking for a memorised answer..
The correct answer is: Amazon Kinesis Data Streams — Option B is correct because Kinesis Data Streams can handle high throughput real-time data from many sources. Option A (SQS) is for message queuing, not streaming analytics. Option C (Firehose) could be used but lacks the ability to have multiple consumers for real-time processing. Option D (IoT Core) is specifically for IoT but not as general-purpose.
Identify which DEA-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Read the scenario before looking for a memorised answer.
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company wants to ingest streaming data from thousands of IoT devices into AWS for real-time analytics. Which AWS service is best suited for this purpose?
easyWhy D: Amazon Kinesis Data Streams is designed for real-time streaming data ingestion from many sources. Option A is wrong because S3 is for object storage, not real-time streaming. Option B is wrong because Lambda processes data but is not a primary ingestion service. Option D is wrong because RDS is a relational database, not for streaming ingestion.
Last reviewed: Jun 20, 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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