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 241–250 of 498

Q241

Which service is best for automating infrastructure deployment?

  • A AWS CloudFormation
  • B AWS Elastic Beanstalk
  • C AWS CodeDeploy
  • D AWS Lambda
Explanation AWS CloudFormation allows for automated infrastructure deployment via templates; others are for different purposes.
Q242

A company needs a highly available database setup. What should they use?

  • A RDS with Multi-AZ
  • B S3 with versioning
  • C DynamoDB
  • D EFS for shared files
Explanation RDS with Multi-AZ provides a redundant, highly available setup, unlike the other options.
Q243

What happens when an IAM user is deleted?

  • A All associated resources are deleted
  • B User's permissions are deactivated
  • C Access keys become invalid
  • D User can log in again later
Explanation Access keys become invalid when the IAM user is deleted; other options are incorrect as they misunderstand permissions and resource management.
Q244

Which service provides a managed NoSQL database in AWS?

  • A DynamoDB
  • B RDS
  • C S3
  • D Redshift
Explanation DynamoDB is AWS's managed NoSQL database; RDS is for SQL, S3 is storage, and Redshift is data warehousing.
Q245

A company needs to transform streaming data before analyzing it. Which service should they use?

  • A AWS Glue
  • B Amazon Redshift
  • C Kinesis Data Firehose
  • D S3 Batch Operations
Explanation Kinesis Data Firehose can transform streaming data in real-time; AWS Glue is for batch jobs, Redshift is for storage, and S3 is for object storage.
Q246

What happens when a user is assigned two IAM policies that have conflicting permissions?

  • A One policy overrides the other
  • B Permissions are both applied
  • C Deny takes precedence over allow
  • D User cannot access any resources
Explanation In IAM, a deny permission always overrides allow permissions; options A and B are incorrect, and D is too extreme.
Q247

Which AWS service simplifies data archiving?

  • A S3 Glacier
  • B AWS Lambda
  • C AWS Step Functions
  • D Amazon RDS
Explanation S3 Glacier is designed specifically for archiving data, while the others serve different purposes.
Q248

A company needs to analyze data with machine learning. Which service should they use?

  • A Amazon Redshift
  • B AWS Glue
  • C Amazon SageMaker
  • D Amazon CloudFront
Explanation Amazon SageMaker is specifically built for machine learning tasks, unlike the other options.
Q249

What happens when a security group is deleted?

  • A Instances lose their original settings
  • B Rules are permanently removed now
  • C Further traffic is automatically allowed
  • D Network access remains unchanged
Explanation Deleting a security group permanently removes its rules, affecting associated instances, while other options are incorrect interpretations.
Q250

Which service provides serverless compute for backend processes?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D AWS CloudFormation
Explanation AWS Lambda allows running code without provisioning servers, while EC2 is a managed server, RDS is for databases, and CloudFormation is for provisioning resources.