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 441–450 of 498

Q441

You are configuring an IAM policy that denies access to all S3 actions. What happens when a user tries to access an S3 bucket?

  • A Access denied regardless of other policies
  • B Access allowed if role permits
  • C User can list all buckets
  • D Policy is ignored in IAM
Explanation IAM policies are evaluated in a deny/allow manner, so an explicit deny overrides any allows.
Q442

Which AWS service is primarily used for serverless computing?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D AWS CloudFormation
Explanation AWS Lambda allows you to run code without provisioning servers, while the others are not serverless solutions.
Q443

A company needs to analyze real-time streaming data from IoT devices. Which AWS service should they use?

  • A Amazon Kinesis
  • B Amazon S3
  • C AWS Glue
  • D Amazon EKS
Explanation Amazon Kinesis is designed for real-time data streaming, while the others serve different purposes.
Q444

You are configuring an Amazon RDS instance. What happens when you enable Multi-AZ?

  • A Automatic failover to a standby instance
  • B Performance is doubled instantly
  • C Backup storage is increased by 50%
  • D Database becomes read-only
Explanation Enabling Multi-AZ provides high availability through automatic failover, unlike the other options which are incorrect.
Q445

Which service is best for serverless data processing?

  • A AWS Lambda
  • B Amazon EC2
  • C AWS Elastic Beanstalk
  • D Amazon S3
Explanation AWS Lambda is designed for serverless computing, while others are not primarily focused on that use case.
Q446

A company needs to analyze large datasets in real-time. Which AWS service should they use?

  • A Amazon RDS
  • B Amazon Kinesis
  • C AWS Glue
  • D Amazon S3
Explanation Amazon Kinesis is specifically built for real-time data processing, unlike the other options.
Q447

You are configuring an S3 bucket with versioning. What happens when you upload a new version of an existing object?

  • A The old version is deleted.
  • B The old version is archived.
  • C The old version is kept.
  • D The upload fails.
Explanation Versioning in S3 retains all previous versions of an object instead of deleting them.
Q448

Which service offers an event-driven architecture for data processing?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D AWS Elastic Beanstalk
Explanation AWS Lambda is specifically designed for event-driven architectures, unlike the other options which serve different purposes.
Q449

A company needs to store unstructured data with variable formats. Which Amazon service should they use?

  • A Amazon S3
  • B Amazon RDS
  • C Amazon Redshift
  • D AWS DynamoDB
Explanation Amazon S3 is ideal for unstructured data storage; RDS and Redshift require structured formats, while DynamoDB is for semi-structured data.
Q450

You are configuring IAM roles for a user requiring temporary access. What must you do?

  • A Set a session duration
  • B Assign a root user policy
  • C Use access keys only
  • D Enable MFA for users
Explanation Setting a session duration is essential for temporary access, while the other options do not specifically address temporary role access.