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 471–480 of 498

Q471

What happens when you enable versioning on an S3 bucket?

  • A All objects are stored as archives
  • B Previous versions can be restored
  • C Bucket size is unlimited
  • D Object metadata cannot be updated
Explanation Versioning allows retrieval of previous versions of objects, while the other options are incorrect interpretations of how versioning works.
Q472

Which service allows real-time data streaming in AWS?

  • A Amazon Kinesis
  • B AWS Lambda
  • C Amazon S3
  • D Amazon RDS
Explanation Amazon Kinesis is designed for real-time data streaming, while others serve different purposes.
Q473

A company needs to analyze large volumes of log data efficiently. Which service would be most suitable?

  • A AWS Glue
  • B Amazon Athena
  • C Amazon RDS
  • D Amazon ElastiCache
Explanation Amazon Athena provides serverless SQL queries on data in S3, ideal for log analysis.
Q474

You are configuring an Amazon Redshift cluster. What happens if you set the number of nodes to zero?

  • A Cluster still operates normally
  • B Cluster is deleted
  • C Cluster enters maintenance mode
  • D Cluster becomes inaccessible
Explanation Setting nodes to zero makes the cluster inaccessible because it needs at least one node to operate.
Q475

Which service allows scalable data warehousing in AWS?

  • A Amazon Redshift
  • B Amazon RDS
  • C Amazon DynamoDB
  • D Amazon S3
Explanation Amazon Redshift is specifically designed for scalable data warehousing, while others serve different database functions.
Q476

A company needs to encrypt data stored in Amazon S3 at rest. What should they use?

  • A S3 Object Lock
  • B S3 Transfer Acceleration
  • C Server-Side Encryption (SSE)
  • D S3 Event Notifications
Explanation Server-Side Encryption (SSE) is the correct option for encrypting data at rest in S3, while others serve different purposes.
Q477

You are configuring a data pipeline in AWS Glue. What happens when an AWS Glue job fails during execution?

  • A It automatically retries indefinitely
  • B It pauses until manually restarted
  • C It triggers a notification to AWS SNS
  • D It terminates with logs generated
Explanation The job will terminate with logs generated, but it does not retry automatically or pause without manual action.
Q478

Which service allows for seamless data integration across AWS services?

  • A AWS Glue
  • B Amazon EFS
  • C AWS DynamoDB
  • D Amazon RDS
Explanation AWS Glue is designed for data integration, while the others serve different purposes.
Q479

A company needs to store large files that don't require low-latency access. What is the best choice?

  • A Amazon S3
  • B Amazon EFS
  • C Amazon RDS
  • D AWS Snowball
Explanation Amazon S3 is ideal for large file storage without low-latency requirements, unlike EFS and RDS which are not suited for giant objects.
Q480

You are configuring an IAM policy and want to deny all actions on S3 bucket 'example-bucket'. Which policy statement should you use?

  • A "Deny all actions on example-bucket"
  • B "Allow all actions on example-bucket"
  • C "Deny s3:* on example-bucket"
  • D "Allow s3:* on example-bucket"
Explanation The correct statement uses 'Deny s3:*' to restrict access, while the others either grant access or lack specificity.