DEA-C01 Questions and Answers: SnowPro Advanced: Data Engineer Certification Exam & DEA-C01 Practice Test

Snowflake SnowPro Advanced: Data Engineer Certification - DEA-C01 certification

Exam Code: DEA-C01

Exam Name: SnowPro Advanced: Data Engineer Certification Exam

Updated: Oct 13, 2026

Q & A: 387 Questions and Answers

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About Snowflake SnowPro Advanced: Data Engineer Certification - DEA-C01 exam dumps

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Snowflake DEA-C01 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Storage and Data Protection: The topic tests the implementation of data recovery features and the understanding of Snowflake's Time Travel and micro-partitions. Engineers are evaluated on their ability to create new environments through cloning and ensure data protection, highlighting essential skills for maintaining Snowflake data integrity and accessibility.
Topic 2
  • Data Movement: Snowflake Data Engineers and Software Engineers are assessed on their proficiency to load, ingest, and troubleshoot data in Snowflake. It evaluates skills in building continuous data pipelines, configuring connectors, and designing data sharing solutions.
Topic 3
  • Performance Optimization: This topic assesses the ability to optimize and troubleshoot underperforming queries in Snowflake. Candidates must demonstrate knowledge in configuring optimal solutions, utilizing caching, and monitoring data pipelines. It focuses on ensuring engineers can enhance performance based on specific scenarios, crucial for Snowflake Data Engineers and Software Engineers.
Topic 4
  • Data Transformation: The SnowPro Advanced: Data Engineer exam evaluates skills in using User-Defined Functions (UDFs), external functions, and stored procedures. It assesses the ability to handle semi-structured data and utilize Snowpark for transformations. This section ensures Snowflake engineers can effectively transform data within Snowflake environments, critical for data manipulation tasks.
Topic 5
  • Security: The Security topic of the DEA-C01 test covers the principles of Snowflake security, including the management of system roles and data governance. It measures the ability to secure data and ensure compliance with policies, crucial for maintaining secure data environments for Snowflake Data Engineers and Software Engineers.

Reference: https://learn.snowflake.com/en/certifications/snowpro-advanced-dataengineer/

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Snowflake SnowPro Advanced: Data Engineer Certification Sample Questions:

Question #1

A data engineer notices that Amazon Athena queries are held in a queue before the queries run.
How can the data engineer prevent the queries from queueing?

  • A. Allow users who run the Athena queries to an existing workgroup.
  • B. Increase the query result limit.
  • C. Configure provisioned capacity for an existing workgroup.
  • D. Use federated queries.
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Correct Answer: C  🗳️

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Question #2

A data engineer needs to run a data transformation job whenever a user adds a file to an Amazon S3 bucket. The job will run for less than 1 minute. The job must send the output through an email message to the data engineer. The data engineer expects users to add one file every hour of the day.
Which solution will meet these requirements in the MOST operationally efficient way?

  • A. Create an AWS Lambda function to transform the data. Use Amazon S3 Event Notifications to invoke the Lambda function when a new object is created. Publish the output to an Amazon Simple Notification Service (Amazon SNS) topic. Subscribe the data engineer's email account to the topic.
  • B. Deploy an Amazon EMR cluster. Use EMR File System (EMRFS) to access the files in the S3 bucket. Run transformation code on a schedule to generate the output to a second S3 bucket.Create an Amazon Simple Notification Service (Amazon SNS) topic. Configure Amazon S3 Event Notifications to notify the topic when a new object is created.
  • C. Create a small Amazon EC2 instance that polls the S3 bucket for new files. Run transformation code on a schedule to generate the output. Use operating system commands to send email messages.
  • D. Run an Amazon Elastic Container Service (Amazon ECS) task to poll the S3 bucket for new files.
    Run transformation code on a schedule to generate the output. Use operating system commands to send email messages.
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Correct Answer: A  🗳️

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Question #3

A company stores analysis results for thousands of daily customer service call transcripts in an Amazon DynamoDB table. An application generates business reports by using only the previous
7 working days of data. To reduce costs, the company wants to implement a solution that automatically removes data that is older than 7 working days.
Which solution will meet this requirement with the LEAST operational overhead?

  • A. Use Amazon EventBridge to invoke an AWS Lambda function on a schedule to delete old records every day.
  • B. Create a new DynamoDB table. Enable TTL on the new table. Migrate the data to the new table.
    Update the application to use the new table.
  • C. Use AWS Glue jobs to implement a daily batch job to scan for and delete expired items from the DynamoDB table.
  • D. Enable TTL on the DynamoDB table. Add an expiration timestamp attribute to each item in the table.
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Correct Answer: D  🗳️

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Question #4

A media company wants to improve a system that recommends media content to customers based on user behavior and preferences. To improve the recommendation system, the company needs to incorporate insights from third-party datasets into the company's existing analytics platform.
The company wants to minimize the effort and time required to incorporate third-party datasets.
Which solution will meet these requirements with the LEAST operational overhead?

  • A. Use Amazon Kinesis Data Streams to access and integrate third-party datasets from a Git repository.
  • B. Use Amazon Kinesis Data Streams to access and integrate third-party datasets from Amazon Elastic Container Registry (Amazon ECR).
  • C. Use API calls to access and integrate third-party datasets from AWS DataSync.
  • D. Use API calls to access and integrate third-party datasets from AWS Data Exchange.
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Correct Answer: D  🗳️

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Question #5

A company is working on a new big data analytical tool that will store data in the EFS regional file system. Workload performance is calculated and will be 10% of the average-to-peak ratio. Data in the file system should be accessed with the lowest latency.
What performance and throughput mode can be selected?

  • A. Select general purpose mode with bursting throughput mode.
  • B. Select Max I/O mode with elastic throughput mode.
  • C. Select Max I/O mode with bursting throughput mode.
  • D. Select default performance mode with Provisioned throughput mode.
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Correct Answer: D  🗳️

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