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.
Questions 461–470 of 498
A company needs to query large datasets with high speed and efficiency. Which service should they use?
A
AWS CloudFormation
B
AWS Athena
C
Amazon Comprehend
D
AWS Lambda
AWS Athena allows fast querying of large datasets using SQL.
What happens when an Amazon S3 bucket policy allows public access to all objects?
A
Objects are secure from all users.
B
Objects are readable by anyone online.
C
Only certain users gain read access.
D
Nothing changes; previous settings persist.
Public access allows anyone to read the objects in the bucket.
Which service provides a managed Hadoop framework?
A
AWS EMR
B
Amazon S3
C
AWS Glue
D
AWS Lambda
AWS EMR is specifically designed for running Hadoop workloads, whereas the others serve different purposes.
A company needs to store and analyze streaming data from IoT devices. Which AWS service is most suitable?
A
AWS Batch
B
AWS Kinesis
C
Amazon RDS
D
AWS Glue
AWS Kinesis is designed for real-time data streaming, while the others are not focused on streaming data.
You are configuring security for S3 buckets. What happens if you enable public access block settings?
A
Keeps data private by default
B
Allows public access to all files
C
Disables versioning for your buckets
D
Redirects traffic to another bucket
Enabling public access block settings prevents accidental public access, maintaining the privacy of your data.
Which service provides managed Hadoop framework on AWS?
A
EMR
B
Lambda
C
Glue
D
Redshift
EMR is designed for running big data frameworks.
A company needs to analyze large datasets stored in S3. Which service should they use for ETL operations?
A
Athena
B
Glue
C
Batch
D
CloudWatch
Glue is specifically built for ETL tasks on S3 data.
What happens when you set an S3 bucket policy to deny access to all users?
A
No access from any user
B
Access only from admins
C
Public read access allowed
D
It becomes inaccessible temporarily
A deny policy will restrict access for all users.
You are configuring an AWS Lambda function to process uploaded files in S3. Which of the following triggers would you configure?
A
S3 Object Created Trigger
B
API Gateway Trigger
C
CloudWatch Event Trigger
D
DynamoDB Stream Trigger
S3 Object Created Trigger invokes Lambda on new file uploads, while the others are for different event sources.
A company needs to securely share sensitive data stored in S3 with a third-party partner. What is the most secure method to achieve this?
A
Create a public bucket policy
B
Generate a pre-signed URL
C
Use IAM roles for access
D
Share the access key and secret
Pre-signed URLs provide temporary access to private S3 objects without exposing credentials.