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 371–380 of 498
A company needs to ensure their S3 bucket data is not publicly accessible. What should they do?
A
Enable public access settings
B
Configure an IAM policy
C
Set a bucket policy for public access
D
Turn off versioning
An IAM policy allows fine-grained access control to ensure S3 data privacy, unlike misguided configurations in options A, C, and D.
What happens when an IAM user is created without any permissions?
A
User can access all resources
B
User can access no resources
C
User can manage IAM settings
D
User can view billing information
A user created without permissions has no access to AWS resources, unlike the misleading capabilities in options A, C, and D.
Which service provides serverless streaming data processing?
A
Amazon Kinesis
B
Amazon RDS
C
AWS Batch
D
AWS Glue
Amazon Kinesis specializes in real-time data streams, while others are for databases or job scheduling.
A company needs to ensure that its data is backed up in multiple geographical locations for disaster recovery. Which option should they consider?
A
Use Amazon S3 with Versioning
B
Use AWS Backup across regions
C
Use DynamoDB with Global Tables
D
Use CloudFront for edge caching
AWS Backup offers cross-region backups, unlike the other options.
You are configuring security policies for an AWS account. What happens when you delete an IAM role that is in use by an EC2 instance?
A
The instance stops immediately
B
The instance continues running
C
The role is automatically recreated
D
The instance loses access to AWS services
Deleting an IAM role does not stop an instance; it continues running but loses role permissions.
You are configuring an Amazon S3 bucket for a web application. Which setting would allow public access to your bucket's content?
A
Block all public access
B
Enable public access permissions
C
Set bucket versioning
D
Configure lifecycle rules
Enabling public access permissions allows public access; blocking it prevents public access.
A company needs to maintain real-time data visibility for their sales metrics. Which AWS service is best suited for this requirement?
A
Amazon Athena
B
Amazon QuickSight
C
AWS Snowflake
D
Amazon RDS
Amazon QuickSight provides real-time analytics and dashboards for visibility.
What happens when an Amazon RDS instance is set to Multi-AZ deployment?
A
Improved read performance only
B
Automatic failover during maintenance
C
Reduced storage costs
D
Increased write scalability
Multi-AZ allows automatic failover for high availability during disruptions.
Which AWS service is optimized for data warehousing solutions?
A
Amazon Redshift
B
Amazon S3
C
Amazon DynamoDB
D
Amazon RDS
Amazon Redshift is specifically designed for data warehousing, unlike the others.
A company needs to analyze real-time streaming data. Which service should they use?
A
AWS Glue
B
Amazon Kinesis
C
AWS Batch
D
Amazon QuickSight
Amazon Kinesis is designed for real-time data streaming analysis.