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 81–90 of 498

Q81

What happens when you exceed your EC2 instance's defined CPU credits?

  • A Instance will stop running
  • B Instance performance reduces
  • C Instance will be terminated
  • D EC2 will charge extra credits
Explanation Exceeding CPU credits leads to performance reduction, not termination like C or extra charges like D.
Q82

Which AWS service is primarily used for real-time data analytics?

  • A Amazon Kinesis
  • B Amazon S3
  • C Amazon EC2
  • D Amazon RDS
Explanation Amazon Kinesis is designed for real-time data streaming, while the others focus on storage and compute tasks.
Q83

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

  • A Amazon DynamoDB
  • B Amazon RDS
  • C Amazon S3
  • D Amazon Redshift
Explanation Amazon S3 is optimized for storing unstructured data like documents and media files, whereas the others are better suited for structured data.
Q84

What happens when you enable versioning on an S3 bucket?

  • A Old versions are deleted automatically
  • B Only the latest version is stored
  • C All versions remain available
  • D Only archived versions are retrieved
Explanation Enabling versioning allows all versions of an object to be preserved, while other options misrepresent how versioning operates.
Q85

Which service is used for building data lakes on AWS?

  • A Amazon S3
  • B Amazon RDS
  • C AWS Lambda
  • D Amazon EC2
Explanation Amazon S3 is designed for scalable data storage in data lakes, while RDS, Lambda, and EC2 serve different purposes.
Q86

A company needs to ensure that data in transit is encrypted. What should they implement?

  • A AWS IAM
  • B S3 Bucket Policy
  • C SSL/TLS Certificates
  • D CloudTrail
Explanation SSL/TLS Certificates encrypt data in transit, while IAM, Bucket Policy, and CloudTrail do not directly address encryption.
Q87

What happens when you delete an object in S3 with versioning enabled?

  • A Object is permanently deleted
  • B Object is moved to Glacier
  • C Object is archived automatically
  • D A delete marker is created
Explanation A delete marker is placed on the object, indicating deletion while retaining previous versions.
Q88

Which AWS service provides managed Kubernetes?

  • A Amazon EKS
  • B AWS Lambda
  • C AWS Fargate
  • D Amazon EC2
Explanation Amazon EKS (Elastic Kubernetes Service) manages Kubernetes, unlike the others which serve different purposes.
Q89

A company needs to securely access instances within a VPC without exposing them to the internet. What should they configure?

  • A VPN Connection
  • B Public Subnet
  • C Egress-Only Internet Gateway
  • D Direct Connect
Explanation A VPN Connection allows secure, private access to instances in a VPC without public exposure.
Q90

You are configuring S3 bucket policies. What happens when you use a deny statement?

  • A It overrides allow statements
  • B It restricts none
  • C It has no effect on policies
  • D It allows all actions
Explanation Deny statements override any allow, providing a fail-safe against unwanted access.