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 111–120 of 498

Q111

You are configuring IAM permissions for a new user. What happens if you attach two policies with conflicting permissions?

  • A Allow takes precedence
  • B Deny takes precedence
  • C Conflicting policies are ignored
  • D Result is uncertain
Explanation In AWS IAM, Deny always takes precedence over Allow; conflicting permissions are resolved in favor of the Deny rule.
Q112

Which AWS service is best for long-term data archival?

  • A S3 Glacier
  • B S3 Standard
  • C EBS
  • D RDS
Explanation S3 Glacier is designed for long-term archival, while others fit different use cases.
Q113

A company needs to store and analyze streaming data in real time. Which service should they use?

  • A AWS Lambda
  • B Amazon Kinesis
  • C AWS Batch
  • D Amazon RDS
Explanation Amazon Kinesis is designed for real-time data processing, unlike the others.
Q114

What happens when an IAM policy specifies 'Deny' on an action?

  • A It takes precedence over 'Allow'.
  • B It has no effect.
  • C It only applies to specific users.
  • D It allows the action with restrictions.
Explanation A 'Deny' statement overrides any 'Allow', blocking the action altogether.
Q115

Which AWS service is primarily used for data warehousing?

  • A Redshift
  • B S3
  • C RDS
  • D DynamoDB
Explanation Redshift is designed specifically for data warehousing, while S3 is for storage, RDS is for SQL databases, and DynamoDB is a NoSQL database.
Q116

A company needs to ensure their data is durable. Which S3 storage class should they choose?

  • A S3 Standard
  • B S3 One Zone-IA
  • C S3 Glacier
  • D S3 Intelligent-Tiering
Explanation S3 Standard provides high durability, while One Zone-IA has less redundancy, Glacier is for archival, and Intelligent-Tiering is for cost management.
Q117

You are configuring IAM policies for a new project. What will happen if a user has "Deny" permissions in their policy?

  • A Access is granted anyway
  • B Access is denied regardless of other policies
  • C Access can be approved by an admin
  • D Access can be requested for approval
Explanation A Deny permission takes precedence over Allow, making access denied regardless of other permissions.
Q118

Which AWS service is best for serverless compute?

  • A AWS Lambda
  • B Amazon EC2
  • C AWS Batch
  • D Amazon ECS
Explanation AWS Lambda is designed specifically for serverless compute, enabling event-driven execution, while the others require server management or are not serverless.
Q119

A company needs to run a high-performance database on AWS. Which service provides this?

  • A Amazon DynamoDB
  • B Amazon RDS
  • C Amazon S3
  • D AWS Glue
Explanation Amazon RDS offers managed relational databases suited for high-performance needs, while others serve different purposes or aren't databases.
Q120

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

  • A Objects become private to the bucket owner
  • B All users can read objects
  • C Bucket is deleted automatically
  • D Only users in specific IAM roles can access
Explanation Public read access enables all users to read objects, while the other options describe incorrect outcomes of such a policy update.