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 141–150 of 498

Q141

What happens when you launch an EC2 instance with a security group not allowing inbound traffic?

  • A Instance becomes unreachable
  • B Instance automatically reconfigures
  • C Instance is terminated
  • D Instance runs normally with alerts
Explanation The instance will become unreachable due to the security group's settings blocking inbound traffic.
Q142

Which AWS service is designed for real-time data streaming?

  • A Amazon Kinesis
  • B AWS Batch
  • C Amazon RDS
  • D AWS Glue
Explanation Amazon Kinesis specializes in real-time data processing; the others serve different, specific functions.
Q143

A company needs to set up automated backups for their databases. Which AWS feature should they use?

  • A AWS Backup
  • B Amazon CloudWatch
  • C AWS Config
  • D Amazon S3
Explanation AWS Backup automates backup processes; the others do not provide this functionality.
Q144

You are configuring a new Amazon S3 bucket for static website hosting. What happens if you do not set the correct bucket permissions?

  • A Website will not be accessible
  • B Website will load with errors
  • C Files will be publicly exposed
  • D CloudFront will fail to integrate
Explanation Without correct permissions, access is denied; the other options do not accurately describe the scenario's outcome.
Q145

Which service enables real-time data streaming from multiple sources?

  • A Amazon Kinesis
  • B AWS Glue
  • C Amazon RDS
  • D AWS Data Pipeline
Explanation Amazon Kinesis allows for real-time data streaming, while the other options are primarily for data storage or processing.
Q146

A company needs to securely store sensitive data while allowing controlled access to only specific IAM users. What should they use?

  • A Amazon S3 with bucket policies
  • B Amazon RDS with basic auth
  • C AWS Lambda with open permissions
  • D Amazon DynamoDB with shared keys
Explanation Amazon S3 with bucket policies provides fine-grained access control, unlike the other options which lack robust access management.
Q147

What happens when you delete an Amazon S3 bucket that contains versioned objects?

  • A All versions are permanently deleted
  • B Bucket is only marked for deletion
  • C Objects recoverable for 30 days
  • D Only the latest version is deleted
Explanation Deleting a versioned bucket deletes all versions if configured, whereas the options imply incorrect retention behaviors.
Q148

Which service is optimal for analyzing large datasets in real-time?

  • A Amazon Athena
  • B Amazon S3
  • C Amazon Redshift
  • D Amazon EMR
Explanation Amazon EMR provides a framework for processing large data sets securely and cost-effectively using open-source tools like Apache Spark and Hadoop.
Q149

A company needs to store unstructured images while ensuring quick retrieval and access. What is the best option?

  • A Amazon RDS
  • B Amazon DynamoDB
  • C Amazon S3
  • D Amazon EBS
Explanation Amazon S3 is designed for scalable storage of unstructured data, making it ideal for images.
Q150

You are configuring a VPC with public and private subnets. What should you implement in the public subnet for inbound traffic?

  • A Safer Security Groups
  • B Public Route Table
  • C NAT Gateway
  • D Network ACLs
Explanation A Public Route Table allows internet traffic to reach resources in the public subnet directly.