Amazon AWS

AWS Certified Data Engineer – Associate

DEA-C01

The AWS Certified Data Engineer – Associate (DEA-C01) exam validates your skills in data engineering on AWS. It is suitable for those who want to demonstrate their ability to design and implement data solutions.

498 questions 0 views Free
Start Mock Test Timed · Full-length · Scored

Questions 101–110 of 498

Q101

A company needs to analyze real-time streaming data. Which service should they use?

  • A AWS Data Pipeline
  • B Amazon Kinesis
  • C Amazon Redshift
  • D AWS Glue
Explanation Amazon Kinesis is designed for real-time stream processing, unlike the other services.
Q102

You are configuring a multi-Availability Zone deployment for Amazon RDS. What happens if one Availability Zone goes down?

  • A Database is completely offline
  • B Connection to primary database fails
  • C Automatic failover to standby occurs
  • D Only read replicas are available
Explanation Automatic failover to the standby ensures high availability, while the other options introduce unnecessary downtimes.
Q103

Which service helps in real-time processing of streaming data?

  • A Amazon Kinesis
  • B Amazon S3
  • C Amazon RDS
  • D AWS Lambda
Explanation Amazon Kinesis is specifically designed for real-time data streams, unlike the other services which serve different purposes.
Q104

A company needs a scalable architecture for its sporadic workloads. Which AWS service should it consider deploying?

  • A Amazon EC2
  • B AWS Lambda
  • C Amazon S3
  • D Amazon RDS
Explanation AWS Lambda automatically scales with workloads, while the other options require manual scaling.
Q105

You are configuring an AWS Glue job. What happens if you set the job bookmark to 'job bookmarks enable'?

  • A Always process all files again
  • B Skip previously processed files
  • C Errors in job execution
  • D Job cannot be executed
Explanation Enabling job bookmarks allows Glue to keep track of processed files, skipping them in future runs.
Q106

Which AWS service is primarily used for data transformation in ETL processes?

  • A AWS Glue
  • B Amazon S3
  • C Amazon RDS
  • D Amazon Kinesis
Explanation AWS Glue is specifically designed for data transformation, while the others serve different data management roles.
Q107

A company needs to store large volumes of unstructured data. What is the best choice?

  • A Amazon RDS
  • B Amazon S3
  • C Amazon DynamoDB
  • D AWS Lambda
Explanation Amazon S3 is ideal for unstructured data storage, whereas the others are better for structured data or compute processes.
Q108

What happens when you enable versioning on an S3 bucket?

  • A Old versions are permanently deleted
  • B Saved data remains immutable
  • C Unique URLs are created for each version
  • D All objects are encrypted automatically
Explanation Enabling versioning results in unique URLs for each version, while the other options incorrectly describe S3's behavior.
Q109

Which AWS service provides a serverless event-driven compute engine?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D AWS Fargate
Explanation AWS Lambda executes code without provisioning servers; EC2 requires server management, RDS is for relational databases, and Fargate is for containers.
Q110

A company needs to store large volumes of unstructured data for analytics. Which AWS service should they use?

  • A Amazon S3
  • B AWS DynamoDB
  • C Amazon RDS
  • D AWS Batch
Explanation Amazon S3 is optimized for storing large amounts of unstructured data; DynamoDB is for NoSQL, RDS is for structured data, and Batch manages job execution.