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 1–10 of 498

Q1

Which service allows you to monitor AWS cloud resources?

  • A Amazon CloudWatch
  • B AWS Trusted Advisor
  • C AWS Config
  • D Amazon Inspector
Explanation Amazon CloudWatch is specifically designed for monitoring resources, while others serve different purposes.
Q2

A company needs to transfer large files to S3. Which method should they choose?

  • A AWS Snowball
  • B AWS Lambda
  • C Amazon EC2
  • D AWS CloudFormation
Explanation AWS Snowball is designed for transferring large amounts of data efficiently.
Q3

You are configuring IAM policies. What happens when a user is denied by the explicit deny statement?

  • A Access is granted
  • B Access is denied
  • C Auditing the action is required
  • D Condition keys are irrelevant
Explanation An explicit deny statement takes precedence over allows, so access is denied.
Q4

Which AWS service enables serverless computing?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D AWS Elastic Beanstalk
Explanation AWS Lambda is designed for serverless execution, while EC2 and RDS require provisioning servers.
Q5

A company needs to improve data retrieval times for its S3 buckets. What can be implemented?

  • A S3 Lifecycle Policies
  • B S3 Transfer Acceleration
  • C Glacier Storage Class
  • D AWS Snowball
Explanation S3 Transfer Acceleration speeds up data retrieval; others don't improve retrieval times.
Q6

You are configuring Amazon Redshift and want to optimize for performance. What should you do?

  • A Use a single-node cluster
  • B Select appropriate distkeys
  • C Disable vacuum operations
  • D Apply frequent snapshots
Explanation Using appropriate distkeys improves data distribution and query performance; other options hinder optimization.
Q7

Which AWS service is best for real-time data streaming?

  • A Amazon Kinesis
  • B Amazon RDS
  • C AWS Lambda
  • D Amazon S3
Explanation Amazon Kinesis specializes in real-time data streaming, whereas RDS is for databases, Lambda for serverless compute, and S3 for object storage.
Q8

A company needs to analyze large datasets on S3 using SQL-like queries. What is the best solution?

  • A Amazon Athena
  • B Amazon RDS
  • C AWS Glue
  • D Amazon Redshift
Explanation Amazon Athena enables SQL queries directly on S3, while RDS and Redshift are for different types of data management, and Glue is for ETL.
Q9

What happens when a user defines a bucket policy that denies users access based on IP?

  • A All users get access globally
  • B Access is limited by specified IP
  • C Only admin access remains
  • D Bucket becomes public by default
Explanation The bucket policy denies access based on specified IPs, limiting access appropriately, while the other options incorrectly describe the effects.
Q10

Which AWS service offers managed database storage?

  • A Amazon RDS
  • B AWS Lambda
  • C Amazon EC2
  • D Amazon S3
Explanation Amazon RDS is specifically designed for managed database services, while others serve different purposes.