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 451–460 of 498

Q451

Which service is best for deploying containerized applications?

  • A AWS Fargate
  • B Amazon EC2
  • C AWS Lambda
  • D Amazon RDS
Explanation AWS Fargate simplifies deploying containers without managing servers; EC2 requires server management, Lambda is for serverless, and RDS is for databases.
Q452

A company needs real-time analytics on web traffic stored in S3. Which service should they use?

  • A Amazon EMR
  • B Amazon Athena
  • C AWS Glue
  • D Amazon Kinesis
Explanation Amazon Kinesis provides real-time analytics; EMR is batch-oriented, Athena is not real-time, and Glue is for ETL tasks.
Q453

You are configuring IAM roles for an application. What happens if the role is assigned to an EC2 instance?

  • A Access is granted immediately.
  • B Instance must be restarted.
  • C Permissions are cached indefinitely.
  • D No access is provided.
Explanation Access is granted immediately upon role assignment; no restart is needed, permissions are not cached indefinitely, and option D is incorrect.
Q454

Which service provides serverless computing capabilities?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D Amazon S3
Explanation AWS Lambda allows execution without managing servers, while EC2, RDS, and S3 are not serverless compute services.
Q455

A company needs to store sensitive data with strict access control and auditing. Which service is best suited?

  • A Amazon DynamoDB
  • B AWS RDS with encryption
  • C S3 with public access
  • D Amazon CloudFront
Explanation AWS RDS with encryption offers strong access control and auditing features, while DynamoDB won't provide full relational capabilities, and S3 public access restricts security.
Q456

What happens when you assign more than one IAM role to an AWS resource?

  • A Only the last role is applied
  • B Multiple roles work concurrently
  • C Roles assigned to users only
  • D Resources will fail to operate
Explanation AWS resources can only have one IAM role at a time; additional roles cannot be applied concurrently.
Q457

Which service allows for serverless machine learning model deployment?

  • A AWS Lambda
  • B Amazon SageMaker
  • C AWS Batch
  • D Amazon EC2
Explanation Amazon SageMaker specifically supports serverless deployment of machine learning models, while AWS Lambda focuses on functions.
Q458

A company needs to replicate its S3 buckets across regions. What should they use?

  • A S3 Cross-Region Replication
  • B S3 Transfer Acceleration
  • C AWS DataSync
  • D AWS Snowball
Explanation S3 Cross-Region Replication is designed for such use cases, while the others serve different purposes.
Q459

You are configuring IAM roles for EC2 instances. What happens if a role is not attached?

  • A Instances use default permissions
  • B Access denied for all actions
  • C Instances can create roles
  • D Roles attach automatically on launch
Explanation Without an attached IAM role, instances have no permissions, leading to access denial.
Q460

Which service provides automated server management in AWS?

  • A AWS Elastic Beanstalk
  • B Amazon S3
  • C AWS IAM
  • D Amazon RDS
Explanation AWS Elastic Beanstalk automates server management, while others do not.