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 401–410 of 498

Q401

A company needs to run a data processing workflow on scheduled times. Which AWS service is best suited for this task?

  • A Amazon S3
  • B AWS Step Functions
  • C AWS Lambda
  • D Amazon CloudWatch Events
Explanation CloudWatch Events schedule and trigger workflows; S3 is storage, Step Functions coordinate workflows, and Lambda executes tasks without scheduling.
Q402

You are configuring an IAM policy to restrict access to specific S3 buckets. What happens if you deny access in that policy?

  • A Access is granted if user is admin
  • B Access is denied regardless of other policies
  • C Other policies can override the deny
  • D Access is allowed based on resources
Explanation Deny rules in IAM take precedence and will always deny access regardless of other permissions; admins' permissions can’t override denies, and no overrides exist for denies.
Q403

Which service is primarily used for data analytics on AWS?

  • A Amazon Athena
  • B Amazon S3
  • C Amazon EC2
  • D Amazon RDS
Explanation Amazon Athena is designed for data analytics, while the others serve different purposes.
Q404

A company needs to store 10 million images with high durability. Which storage solution should they choose?

  • A Amazon EBS
  • B Amazon S3
  • C Amazon Glacier
  • D Amazon RDS
Explanation Amazon S3 offers high durability for object storage, making it ideal for storing images.
Q405

What happens when an EC2 instance is stopped?

  • A Data is lost in EBS
  • B Public IP persists
  • C EBS volumes are detached
  • D EBS volumes remain intact
Explanation EBS volumes remain intact and associated with the instance until deleted, unlike ephemeral storage which is lost.
Q406

Which service allows for serverless data processing in AWS?

  • A AWS Lambda
  • B Amazon EC2
  • C AWS Fargate
  • D Amazon RDS
Explanation AWS Lambda allows for serverless execution, while others are not serverless compute services.
Q407

A company needs to ensure their S3 data is encrypted at rest. What should they enable?

  • A S3 Versioning
  • B S3 Transfer Acceleration
  • C S3 Server-Side Encryption
  • D S3 Lifecycle Policies
Explanation S3 Server-Side Encryption provides at-rest encryption, while others serve different purposes.
Q408

You are configuring IAM user permissions. What happens when you attach multiple policies to a user?

  • A Policies are combined using AND logic
  • B Only the last policy is applied
  • C Policies are combined using OR logic
  • D No effect if conflicting policies exist
Explanation Policies attached to a user are cumulatively applied, allowing for permissions from all policies.
Q409

Which service provides managed relational databases on AWS?

  • A Amazon RDS
  • B AWS Glue
  • C Amazon S3
  • D Amazon Redshift
Explanation Amazon RDS offers fully managed relational databases, while the others serve different purposes.
Q410

A company needs to securely share data with multiple external partners. Which AWS service should they use?

  • A Amazon S3 with bucket policies
  • B AWS IAM roles
  • C AWS CodeCommit
  • D Amazon DynamoDB
Explanation Amazon S3 with bucket policies allows secure and controlled sharing of data.