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 271–280 of 498

Q271

Which service allows you to analyze data streams in real-time?

  • A Amazon Kinesis
  • B AWS Glue
  • C Amazon Athena
  • D Amazon RDS
Explanation Amazon Kinesis is specifically designed for real-time data processing, while others are focused on storage or batch data processing.
Q272

What happens when you set an S3 bucket policy to allow public access?

  • A Only admins can access the bucket.
  • B Everyone can read from the bucket.
  • C The bucket becomes invisible.
  • D Access is denied to all.
Explanation Public access settings enable anyone on the internet to read objects from the bucket, while other options incorrectly restrict access.
Q273

You are configuring an IAM role for a Lambda function. Which permission policy do you need?

  • A Read access to an S3 bucket.
  • B No permissions required.
  • C Write access to CloudWatch logs.
  • D Access to EC2 instances.
Explanation CloudWatch logs access is necessary for logging function output, while other options may not be needed depending on the use case.
Q274

Which service helps in managing metadata in AWS?

  • A AWS Glue
  • B Amazon S3
  • C Amazon RDS
  • D AWS Lambda
Explanation AWS Glue is specifically designed for managing metadata, while the others serve different functions.
Q275

A company needs to store and analyze logs generated by its applications in real time. Which AWS service should they use?

  • A AWS CloudTrail
  • B Amazon Kinesis
  • C Amazon S3
  • D AWS Batch
Explanation Amazon Kinesis enables real-time log analysis, unlike the other options that serve different purposes.
Q276

What happens when you configure a VPC Flow Log to send data to an Amazon S3 bucket?

  • A Logs are dumped immediately.
  • B Data is sent synchronously.
  • C Data is aggregated daily.
  • D Logs are populated into a database.
Explanation VPC Flow Logs deliver data periodically, typically in aggregate batches, not immediately or synchronously.
Q277

Which AWS service is used for serverless computing?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D AWS Snowball
Explanation AWS Lambda provides a serverless compute environment, unlike EC2 which is for virtual servers.
Q278

A company needs to ingest streaming data in real-time. Which AWS service can they use?

  • A Amazon Kinesis
  • B AWS Lambda
  • C Amazon S3
  • D Amazon Redshift
Explanation Amazon Kinesis is designed specifically for real-time data ingestion, while the others serve different purposes.
Q279

What happens when a security group is modified to allow inbound traffic on a previously blocked port?

  • A Traffic is immediately allowed.
  • B No effect on existing connections.
  • C New connections are blocked.
  • D Traffic flows through existing firewalls.
Explanation Modifying a security group to allow traffic applies immediately, while existing connections remain unaffected.
Q280

Which service can automatically scale compute resources?

  • A Amazon EC2 Auto Scaling
  • B Amazon RDS
  • C Amazon S3
  • D AWS Lambda
Explanation Amazon EC2 Auto Scaling adjusts resources automatically, while the others do not handle auto-scaling of compute resources directly.