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Amazon Data-Engineer-Associate : AWS Certified Data Engineer - Associate (DEA-C01)

Data-Engineer-Associate real exams

Exam Code: Data-Engineer-Associate

Exam Name: AWS Certified Data Engineer - Associate (DEA-C01)

Updated: Jun 02, 2026

Q & A: 290 Questions and Answers

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Amazon AWS Certified Data Engineer - Associate (DEA-C01) Sample Questions:

1. A company stores sensitive transaction data in an Amazon S3 bucket. A data engineer must implement controls to prevent accidental deletions.

A) Configure an S3 bucket policy rule that denies the creation of S3 delete markers.
B) Create an S3 Lifecycle rule that moves deleted files to S3 Glacier Deep Archive.
C) Enable versioning on the S3 bucket and configure MFA delete.
D) Set up AWS Config remediation actions to prevent users from deleting S3 objects.


2. A company stores server logs in an Amazon 53 bucket. The company needs to keep the logs for 1 year. The logs are not required after 1 year.
A data engineer needs a solution to automatically delete logs that are older than 1 year.
Which solution will meet these requirements with the LEAST operational overhead?

A) Configure an AWS Step Functions state machine to delete the logs after 1 year.
B) Create an AWS Lambda function to delete the logs after 1 year.
C) Define an S3 Lifecycle configuration to delete the logs after 1 year.
D) Schedule a cron job on an Amazon EC2 instance to delete the logs after 1 year.


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

A) AWS Step Functions
B) Amazon EventBridge
C) AWS Glue
D) Amazon Managed Workflows for Apache Airflow (Amazon MWAA)


4. A company wants to migrate data from an Amazon RDS for PostgreSQL DB instance in the eu-east-1 Region of an AWS account named Account_A. The company will migrate the data to an Amazon Redshift cluster in the eu-west-1 Region of an AWS account named Account_B.
Which solution will give AWS Database Migration Service (AWS DMS) the ability to replicate data between two data stores?

A) Set up an AWS DMS replication instance in a new AWS account in eu-west-1.
B) Set up an AWS DMS replication instance in Account_B in eu-east-1.
C) Set up an AWS DMS replication instance in Account_B in eu-west-1.
D) Set up an AWS DMS replication instance in Account_A in eu-east-1.


5. A data engineer is using Amazon QuickSight to build a dashboard to report a company's revenue in multiple AWS Regions. The data engineer wants the dashboard to display the total revenue for a Region, regardless of the drill-down levels shown in the visual.
Which solution will meet these requirements?

A) Create a level-aware calculation - aggregate (LAC-A) function.
B) Create a table calculation.
C) Create a simple calculated field.
D) Create a level-aware calculation - window (LAC-W) function.


Solutions:

Question # 1
Answer: C
Question # 2
Answer: B
Question # 3
Answer: D
Question # 4
Answer: C
Question # 5
Answer: A

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