Free Practice Amazon Data-Engineer-Associate Exam Questions 2025

Stay ahead with 100% Free AWS Certified Data Engineer Associate (DEA-C01) Data-Engineer-Associate Dumps Practice Questions

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Total 513 Questions | Updated On: Mar 25, 2025
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Question 1

A company needs to load customer data that comes from a third party into an Amazon Redshift datawarehouse. The company stores order data and product data in the same data warehouse. The company wantsto use the combined dataset to identify potential new customers.A data engineer notices that one of the fields in the source data includes values that are in JSON format.How should the data engineer load the JSON data into the data warehouse with the LEAST effort?


Answer: A
Question 2

As a Cloud Data Engineer, you have been tasked with optimizing an AWS Glue job that processes large datasets using Apache Spark. The job currently uses standard Spark DataFrames, but you are considering switching to AWS Glue DynamicFrames for better handling of schema variations and errors in the data.

Which of the following benefits is a primary advantage of using Glue DynamicFrames over standard Spark DataFrames in this scenario?


Answer: B
Question 3

A company has three subsidiaries. Each subsidiary uses a different data warehousing solution. The firstsubsidiary hosts its data warehouse in Amazon Redshift. The second subsidiary uses Teradata Vantage onAWS. The third subsidiary uses Google BigQuery.The company wants to aggregate all the data into a central Amazon S3 data lake. The company wants to useApache Iceberg as the table format.A data engineer needs to build a new pipeline to connect to all the data sources, run transformations by usingeach source engine, join the data, and write the data to Iceberg.Which solution will meet these requirements with the LEAST operational effort?


Answer: B
Question 4

A data engineer wants to orchestrate a set of extract, transform, and load (ETL) jobs that run on AWS. TheETL jobs contain tasks that must run Apache Spark jobs on Amazon EMR, make API calls to Salesforce, andload data into Amazon Redshift.The ETL jobs need to handle failures and retries automatically. The data engineer needs to use Python toorchestrate the jobs.Which service will meet these requirements?


Answer: A
Question 5

A company wants to migrate an application and an on-premises Apache Kafka server to AWS. Theapplication processes incremental updates that an on-premises Oracle database sends to the Kafka server. Thecompany wants to use the replatform migration strategy instead of the refactor strategy.Which solution will meet these requirements with the LEAST management overhead?


Answer: D
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Total 513 Questions | Updated On: Mar 25, 2025
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