Amazon AWS
AWS Certified Developer – Associate
DVA-C02
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The AWS Certified Developer – Associate (DVA-C02) exam tests your proficiency in developing applications on AWS. It is designed for developers looking to validate their skills in AWS development.
492 questions
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Free
Questions 461–470 of 492
A company needs to grant temporary access to AWS resources. Which service should they use?
A
IAM Roles
B
IAM Policies
C
AWS Organizations
D
AWS Resource Access Manager
Reveal Answer
Explanation
IAM Roles provide temporary security credentials, unlike policies, which are static.
You are configuring an S3 bucket. What happens if you enable versioning?
A
All files become immutable
B
Old versions are deleted
C
Multiple versions of files are stored
D
Files can only be accessed once
Reveal Answer
Explanation
Enabling versioning allows S3 to retain multiple versions of an object, contrary to the incorrect options.
Which service provides a fully managed NoSQL database?
A
Amazon DynamoDB
B
Amazon RDS
C
Amazon Aurora
D
Amazon S3
Reveal Answer
Explanation
Amazon DynamoDB is designed as a managed NoSQL database, while others are SQL-based or storage solutions.
A company needs to deploy a serverless application with minimal management. What should they use?
A
Amazon EC2
B
AWS Lambda
C
AWS Elastic Beanstalk
D
Amazon ECS
Reveal Answer
Explanation
AWS Lambda allows running code without managing servers, unlike the others which require more management.
What happens when an IAM policy grants permission to a resource?
A
Always allows access
B
Denies all access
C
Conditionally allows access
D
Ignores group permissions
Reveal Answer
Explanation
An IAM policy can grant permissions conditionally, influenced by other policies like group permissions.
Which service enables automated scaling of application instances?
A
AWS Auto Scaling
B
AWS Lambda
C
Amazon S3
D
Amazon RDS
Reveal Answer
Explanation
AWS Auto Scaling dynamically adjusts capacity based on demand; the others do not provide auto-scaling capabilities.
A company needs a durable, highly available message queuing service. Which AWS service should they use?
A
Amazon SQS
B
AWS Lambda
C
Amazon EC2
D
AWS Step Functions
Reveal Answer
Explanation
Amazon SQS is designed for reliable messaging; the others serve different purposes.
What happens when you enable Versioning on an S3 bucket?
A
Duplicate files are created
B
Old file versions are deleted
C
Previous versions are retained
D
Bucket becomes read-only
Reveal Answer
Explanation
Enabling Versioning retains old file versions; the other options describe incorrect behaviors.
Which AWS service is best for managing serverless applications?
A
AWS Lambda
B
Amazon EC2
C
Amazon RDS
D
AWS Elastic Beanstalk
Reveal Answer
Explanation
AWS Lambda allows executing code without managing servers, while others require server management.
A company needs to deploy a CI/CD pipeline using AWS services. Which combination should they choose?
A
CodeCommit and CloudFormation
B
CodePipeline and CodeDeploy
C
CloudWatch and S3
D
Elastic Beanstalk and IAM
Reveal Answer
Explanation
CodePipeline orchestrates the CI/CD process while CodeDeploy automates deployment, essential for CI/CD.