AWSCertified Data Engineer - Associate
Domain 1Objective 1
Task 1.1: Perform Data Ingestion DEA-C01 Practice Questions (Page 1)
Part of the Content Domain 1: Data Ingestion and Transformation domain, which accounts for 34% of the DEA-C01 exam. AWS does not publish an official question count, but from its 130-minute exam (~50–85 total, ~17–29 in this domain), expect 4–7 from this objective — we provide 38 practice questions to prepare you well beyond it. (estimate)
38questions here
8free pages
15concepts
34%of the exam
Questions 1–5
- 1
A data engineering team uses Apache Airflow to orchestrate their data ingestion jobs. They have a daily job that reads data from an external API and writes it to S3. The API sometimes has intermittent failures. Which Airflow feature should they use to handle retries?
Select an answer first - 2
A data pipeline ingests data from Kinesis Data Streams into an S3 data lake using a Lambda function. The Lambda function has a bug that caused it to write incorrect data for the last hour. The team has fixed the bug and wants to reprocess the data from the last hour. What is the most efficient way to do this?
Select an answer first - 3
In streaming data, what is the term for the pattern where multiple producers send data to a single stream for centralized processing?
Select an answer first - 4
What is a stateful data transaction in the context of data processing?
Select an answer first - 5
Which AWS service can be configured as an event source to invoke an AWS Lambda function for real-time processing of streaming data?
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