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 0 views Free
Start Mock Test Timed · Full-length · Scored

Questions 311–320 of 492

Q311

A company needs to store data in a way that is both cost-effective and highly durable. Which storage option should they choose?

  • A Amazon S3
  • B Amazon EBS
  • C Amazon RDS
  • D AWS Lambda
Explanation Amazon S3 offers high durability and low-cost object storage for large amounts of data, unlike the other options.
Q312

What happens when an IAM policy explicitly denies an action?

  • A The action is allowed.
  • B The action is denied.
  • C The action is evaluated at runtime.
  • D The IAM policy has no effect.
Explanation An explicit deny in IAM policies takes precedence over allow policies, blocking the action.
Q313

Which AWS service facilitates secure access control?

  • A AWS Identity and Access Management
  • B Amazon RDS
  • C AWS CloudFormation
  • D Amazon EC2
Explanation AWS Identity and Access Management allows you to manage access secure, while the other options do not focus on access control.
Q314

A company needs to store frequently accessed data with low latency. Which storage option should they choose?

  • A S3 Glacier
  • B Amazon EFS
  • C S3 Standard
  • D S3 Intelligent-Tiering
Explanation S3 Standard is optimized for frequent access while the others prioritize different use cases.
Q315

What happens when an AWS Lambda function times out during execution?

  • A Lambda automatically retries the function
  • B The function execution will succeed
  • C Lambda returns an error message only
  • D Lambda stops without notification
Explanation AWS Lambda will attempt to retry depending on the event source; the other options misinterpret the timeout consequence.
Q316

Which service allows you to set up a scalable, managed NoSQL database?

  • A Amazon DynamoDB
  • B Amazon RDS
  • C Amazon Redshift
  • D Amazon EFS
Explanation DynamoDB is a fully managed NoSQL database; RDS is relational, Redshift is for data warehousing, and EFS is for file storage.
Q317

A company needs to deploy a web application on AWS with high availability across multiple regions. What should they use?

  • A AWS Lambda
  • B EC2 Auto Scaling
  • C Route 53
  • D AWS CloudFormation
Explanation Route 53 enables DNS routing across regions for high availability; Lambda and Auto Scaling are application deployment methods, while CloudFormation automates resource management.
Q318

What happens when an IAM user is created with no permissions attached?

  • A They have full permissions
  • B They have no permissions
  • C They can only access logs
  • D They can create users only
Explanation An IAM user with no permissions cannot perform any actions on AWS; option A is incorrect as it suggests full access, C is not accurate, and D misrepresents IAM user roles.
Q319

Which service is used for long-term storage of infrequently accessed data?

  • A S3 Glacier
  • B S3 Standard
  • C EBS Snapshot
  • D CloudFront
Explanation S3 Glacier is designed for infrequent access, while the others serve different or more frequent use cases.
Q320

A company needs to securely store API keys and sensitive information. Which AWS service is best suited for this task?

  • A AWS Secrets Manager
  • B Amazon S3
  • C Amazon RDS
  • D Amazon EC2
Explanation AWS Secrets Manager is specifically designed for securely storing and managing secrets, unlike the others.