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 61–70 of 498

Q61

Which service is best for serverless application deployment?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon S3
  • D Amazon RDS
Explanation AWS Lambda allows for running code without provisioning servers, while others require server management.
Q62

A company needs to track user access to AWS resources. Which AWS feature should they use?

  • A AWS CloudTrail
  • B Amazon CloudWatch
  • C AWS Config
  • D AWS IAM
Explanation AWS CloudTrail logs all API calls to track user access, unlike the other options which serve different purposes.
Q63

What happens when an EC2 instance is terminated?

  • A Data on ephemeral storage is lost
  • B Data on EBS volumes is deleted
  • C Configuration is retained for future use
  • D Instance automatically backs up to S3
Explanation Data on ephemeral storage is temporary and will be lost upon termination, while EBS volumes can persist.
Q64

Which service provides an overview of AWS usage and costs?

  • A AWS Budgets
  • B AWS CloudTrail
  • C AWS Cost Explorer
  • D AWS CloudWatch
Explanation AWS Cost Explorer provides visualizations for AWS usage and costs, while the others serve different purposes.
Q65

A company needs to ensure that their data is always available, even in the event of an AZ failure. Which S3 feature should they use?

  • A S3 Standard Storage
  • B S3 Cross-Region Replication
  • C S3 One Zone-IA
  • D S3 Glacier
Explanation S3 Cross-Region Replication ensures data availability across multiple regions, while the other options do not provide that level of redundancy.
Q66

You are configuring IAM roles for your application. What happens if you do not attach a policy to a newly created role?

  • A Role grants all permissions.
  • B Role grants no permissions.
  • C Role defaults to read-only.
  • D Role must be deleted.
Explanation Without an attached policy, the role has no permissions; the other options are incorrect interpretations of role behavior.
Q67

Which service enables orchestration of multiple AWS services?

  • A AWS Step Functions
  • B AWS Glue
  • C Amazon RDS
  • D Amazon EC2
Explanation AWS Step Functions orchestrate serverless workflows, unlike the others that don't focus on orchestration.
Q68

A company needs to process large amounts of streaming data in real-time. Which AWS service should they use?

  • A Amazon S3
  • B Amazon Kinesis
  • C AWS Batch
  • D AWS Glue
Explanation Amazon Kinesis is tailored for real-time data streaming, while the others are not.
Q69

What happens when you exceed your EC2 instance's credit limit for burst performance?

  • A Instance shuts down immediately
  • B Performance reduces to baseline
  • C Auto-scaling is triggered
  • D No impact on instance performance
Explanation Exceeding the credit limit leads to reduced performance to baseline levels, while the other options do not accurately describe the behavior.
Q70

Which service allows you to automatically scale DB instances in AWS?

  • A Amazon RDS Auto Scaling
  • B AWS Elastic Beanstalk
  • C Amazon EC2 Auto Scaling
  • D AWS Lambda Autoscaling
Explanation Amazon RDS Auto Scaling offers automatic scaling for databases; other options do not provide this specific functionality.