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 361–370 of 498

Q361

Which service allows you to create serverless APIs?

  • A AWS Lambda
  • B AWS Shield
  • C Amazon S3
  • D AWS CloudFormation
Explanation AWS Lambda allows creation of serverless APIs; the others do not provide this feature.
Q362

A company needs to track detailed API usage and monitor performance. Which service should they use?

  • A AWS CloudTrail
  • B Amazon CloudWatch
  • C AWS Config
  • D AWS Elastic Beanstalk
Explanation Amazon CloudWatch tracks performance and usage metrics; the others focus on different monitoring aspects.
Q363

You are configuring an Amazon RDS instance. What happens when you switch from provisioned IOPS to standard storage?

  • A Increased performance with lower cost
  • B Decreased IOPS capability and higher latency
  • C No impact on database performance
  • D Availability Zone cannot change
Explanation Switching results in decreased IOPS and increased latency; the other options are not accurate outcomes of this change.
Q364

Which AWS service is primarily used for data warehousing?

  • A Amazon Redshift
  • B Amazon S3
  • C AWS Lambda
  • D Amazon RDS
Explanation Amazon Redshift is specifically designed for data warehousing, while others serve different purposes.
Q365

A company needs to automate backup processes for Lambda functions. What should they use?

  • A AWS Backup
  • B Amazon S3 Lifecycle
  • C AWS CloudFormation
  • D Amazon EventBridge
Explanation AWS Backup automates backup processes, while the others do not provide automated backups.
Q366

You are configuring a VPC endpoint for S3. What happens if you enable 'Private DNS'?

  • A Access will be restricted to VPC
  • B S3 will use public IPs
  • C VPC uses default S3 endpoints
  • D DNS resolves to VPC endpoint
Explanation Enabling 'Private DNS' allows DNS resolution to the VPC endpoint instead of the public S3 endpoint.
Q367

You are configuring a new Amazon Redshift cluster. Which instance type is specifically designed for high-performance computing?

  • A ds2.xlarge
  • B dc2.large
  • C ra3.4xlarge
  • D r5.2xlarge
Explanation The ra3.4xlarge is optimized for high-performance workloads, while others serve different use cases.
Q368

A company needs to dynamically assign IAM policies based on user activity. Which AWS solution would be most suitable?

  • A AWS CloudFormation
  • B AWS Lambda
  • C IAM Policy Simulator
  • D AWS Identity Access Management
Explanation AWS Lambda can execute policies in response to user actions, making it the most dynamic option.
Q369

What happens when you enable versioning on an S3 bucket?

  • A Previous versions are deleted
  • B Files cannot be modified
  • C All changes result in a new version
  • D Storage costs are reduced
Explanation Enabling versioning allows every change to create a new version while retaining previous ones.
Q370

Which service is best for serverless applications?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D Amazon S3
Explanation AWS Lambda allows execution of code without provisioning servers, unlike EC2 and RDS which require server management.