This DEA-C01 practice question tests your understanding of data ingestion and transformation. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Which TWO services can be used to ingest streaming data into Amazon S3? (Choose two.)
Amazon Athena
Why wrong: Athena is a query service, not ingestion.
AWS Glue
Why wrong: Glue is a batch ETL service, not a streaming ingestion service.
Amazon Kinesis Data Streams
Data Streams can be consumed and written to S3 via a consumer application.
AWS Database Migration Service (DMS)
Why wrong: DMS is for database migration, not general streaming.
Amazon Kinesis Data Firehose
Firehose can directly deliver streaming data to S3.
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
Amazon Kinesis Data Streams is a real-time streaming service that can ingest and store streaming data, which can then be consumed and written to Amazon S3 using a Kinesis Data Analytics or a custom consumer application. Amazon Kinesis Data Firehose is a fully managed service that can directly load streaming data into Amazon S3, Amazon Redshift, or Amazon Elasticsearch Service, with optional data transformation and compression.
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.
Amazon Athena
Why it's wrong here
Athena is a query service, not ingestion.
AWS Glue
Why it's wrong here
Glue is a batch ETL service, not a streaming ingestion service.
Amazon Kinesis Data Streams
Why this is correct
Data Streams can be consumed and written to S3 via a consumer application.
Related concept
Read the scenario before looking for a memorised answer.
AWS Database Migration Service (DMS)
Why it's wrong here
DMS is for database migration, not general streaming.
Amazon Kinesis Data Firehose
Why this is correct
Firehose can directly deliver streaming data to S3.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse AWS Glue's ETL capabilities with real-time streaming ingestion, or mistakenly think Amazon Athena can ingest data because it queries S3, but neither service is designed for streaming data ingestion.
Detailed technical explanation
Kinesis Data Streams uses shards to scale ingestion, with each shard supporting up to 1 MB/s or 1,000 records/s for writes, and data is retained for 24 hours by default (up to 365 days with extended retention). Kinesis Data Firehose buffers incoming data to a configurable size (e.g., 1 MB) or interval (e.g., 60 seconds) before writing to S3, and it can automatically convert data formats like JSON to Parquet or ORC for optimized querying.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
What to study next
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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 — Amazon Kinesis Data Streams is a real-time streaming service that can ingest and store streaming data, which can then be consumed and written to Amazon S3 using a Kinesis Data Analytics or a custom consumer application. Amazon Kinesis Data Firehose is a fully managed service that can directly load streaming data into Amazon S3, Amazon Redshift, or Amazon Elasticsearch Service, with optional data transformation and compression.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 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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