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 391–400 of 492

Q391

Which AWS service provides a fully managed NoSQL database?

  • A DynamoDB
  • B RDS
  • C Aurora
  • D Redshift
Explanation DynamoDB is designed specifically for NoSQL; RDS and Aurora are for SQL, while Redshift is for data warehousing.
Q392

A company needs to deploy a serverless API on AWS. Which service should they use?

  • A Elastic Beanstalk
  • B API Gateway
  • C Lambda
  • D EC2
Explanation API Gateway is tailored for creating serverless APIs, while Lambda is for running code in response to events.
Q393

What happens when you increase the size of an EBS volume on a running instance?

  • A The instance automatically restarts
  • B Data is deleted
  • C Volume size increases immediately
  • D You must reformat the volume
Explanation The volume size increase is effective immediately, but requires additional steps for resizing the file system.
Q394

Which AWS service allows you to automate the deployment of applications using infrastructure as code?

  • A AWS CloudFormation
  • B AWS Lambda
  • C AWS EC2
  • D AWS CodePipeline
Explanation AWS CloudFormation enables infrastructure as code, while others serve different functions.
Q395

A company needs to securely expose an HTTP API to the internet while restricting access to only certain IP addresses. Which AWS service should they use?

  • A AWS API Gateway
  • B AWS Lambda
  • C AWS CloudFront
  • D AWS S3
Explanation AWS API Gateway supports IP whitelist controls, while other options do not serve this specific purpose.
Q396

You are configuring an IAM policy for your S3 bucket. What happens when you attach a policy allowing 's3:ListBucket' but do not grant 's3:GetObject'?

  • A Only get objects permission granted
  • B List objects but not get them
  • C No permissions granted
  • D List and get objects permission granted
Explanation You can list the bucket objects but cannot retrieve them without 's3:GetObject'.
Q397

A company needs to deploy a serverless application that automatically scales in response to incoming traffic. Which AWS service should they use?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon ECS
  • D AWS Fargate
Explanation AWS Lambda is designed for serverless applications that auto-scale, while EC2 requires manual scaling and ECS/Fargate are for containerized tasks.
Q398

What happens when an AWS IAM policy denies a service access?

  • A Access is granted.
  • B Access is conditionally granted.
  • C Access is denied.
  • D Additional permissions are required.
Explanation In AWS IAM, a deny policy takes precedence over any allow policy, resulting in access being denied.
Q399

You are configuring an Amazon RDS instance. Which storage option is not available for standard RDS databases?

  • A General Purpose SSD
  • B Provisioned IOPS SSD
  • C Magnetic Storage
  • D Persistent Block Storage
Explanation Persistent Block Storage is associated with EC2, not RDS; RDS supports SSD and Magnetic storage options.
Q400

Which AWS service is used for serverless compute?

  • A AWS Lambda
  • B Amazon EC2
  • C Amazon ECS
  • D AWS Batch
Explanation AWS Lambda allows running code without provisioning servers; the others require server management.