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 31–40 of 498

Q31

Which service is best for big data analytics on real-time data streams?

  • A Amazon Kinesis
  • B Amazon RDS
  • C Amazon S3
  • D AWS Lambda
Explanation Amazon Kinesis is designed for real-time data processing, while the others serve different purposes.
Q32

A company needs to store and analyze structured data, which AWS service should they choose?

  • A Amazon S3
  • B Amazon DynamoDB
  • C Amazon Redshift
  • D Amazon EC2
Explanation Amazon Redshift specializes in structured data analysis with a data warehouse solution, unlike others.
Q33

What happens when an IAM role is deleted that is currently assigned to an EC2 instance?

  • A The instance stops immediately.
  • B The instance continues with current permissions.
  • C The instance gains new permissions.
  • D The instance is terminated.
Explanation The instance retains its existing permissions until it is stopped or the role is explicitly changed.
Q34

Which service is used for network monitoring in AWS?

  • A AWS Config
  • B Amazon CloudWatch
  • C AWS Shield
  • D AWS Lambda
Explanation Amazon CloudWatch monitors network and application metrics, while others focus on configuration, security, or compute tasks.
Q35

A company needs to transfer large data sets securely from S3 to on-premises storage. What’s the best method?

  • A AWS Data Pipeline
  • B AWS Snowball
  • C AWS Transfer Family
  • D AWS CodeDeploy
Explanation AWS Snowball is optimal for large data transfers, while others do not focus on that scale or security.
Q36

You are configuring an AWS Glue job. What parameter controls the maximum number of concurrent tasks?

  • A MaxConcurrentRuns
  • B MaxTasks
  • C ConcurrentExecutions
  • D TaskConcurrencyLimit
Explanation MaxConcurrentRuns defines the concurrent task limits, while others are not valid parameters for AWS Glue jobs.
Q37

Which service allows you to run code without provisioning servers?

  • A AWS Lambda
  • B Amazon EC2
  • C AWS Elastic Beanstalk
  • D Amazon RDS
Explanation AWS Lambda enables serverless computing, while other options require server management.
Q38

A company needs to store massive amounts of unstructured data. Which service is suitable?

  • A Amazon RDS
  • B Amazon S3
  • C Amazon Aurora
  • D Amazon EFS
Explanation Amazon S3 is designed for unstructured data, while RDS and Aurora are for structured data.
Q39

You are configuring a security group. What happens if you deny access to port 80?

  • A Traffic can still flow on port 443
  • B No incoming HTTP traffic is allowed
  • C SSH access will be blocked
  • D RDS connection will fail
Explanation Denying access to port 80 blocks HTTP traffic specifically; other options are unrelated.
Q40

Which service provides a scalable object storage solution?

  • A Amazon S3
  • B Amazon EC2
  • C Amazon RDS
  • D AWS Lambda
Explanation Amazon S3 is designed for scalable object storage, while the others serve different purposes.