FIRST-GRADE DVA-C02 EXAM PAPERS - 100% PASS DVA-C02 EXAM

First-grade DVA-C02 Exam Papers - 100% Pass DVA-C02 Exam

First-grade DVA-C02 Exam Papers - 100% Pass DVA-C02 Exam

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Amazon DVA-C02 (AWS Certified Developer - Associate) Exam is a certification exam designed for developers who are interested in validating their proficiency in developing and maintaining applications on the Amazon Web Services (AWS) platform. DVA-C02 exam tests the candidate's ability to design, develop, deploy, and maintain scalable, fault-tolerant, and highly available applications on AWS using various programming languages and AWS services such as AWS Lambda, Amazon S3, Amazon EC2, and Amazon DynamoDB.

Earning the Amazon DVA-C02 Certification demonstrates an individual's expertise in developing and deploying applications on the AWS platform. It also validates an individual's ability to use AWS services effectively to design and deploy scalable, reliable, and cost-effective applications. AWS Certified Developer - Associate certification can open up various job opportunities in the cloud computing industry, including roles such as AWS developer, cloud architect, and DevOps engineer, among others.

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After successful competition of the Amazon DVA-C02 certification, the certified candidates can put their career on the right track and achieve their professional career objectives in a short time period. For the recognition of skills and knowledge, more career opportunities, professional development, and higher salary potential, the Amazon DVA-C02 Certification Exam is the proven way to achieve these tasks quickly.

Amazon AWS Certified Developer - Associate Sample Questions (Q175-Q180):

NEW QUESTION # 175
A company is creating a new application that gives users the ability to upload and share short video files. The average size of the video files is 10 MB. After a user uploads a file, a message needs to be placed into an Amazon Simple Queue Service (Amazon SQS) queue so the file can be processed. The files need to be accessible for processing within 5 minutes.
Which solution will meet these requirements MOST cost-effectively?

  • A. Write messages that contain the contents of the uploaded files to the SQS queue.
  • B. Write the files to an Amazon Elastic Block Store (Amazon EBS) General Purpose SSD volume. Add the EBS location of the files to the SQS queue.
  • C. Write the files to Amazon S3 Glacier Deep Archive. Add the S3 location of the files to the SQS queue.
  • D. Write the files to Amazon S3 Standard. Add the S3 location of the files to the SQS queue.

Answer: D


NEW QUESTION # 176
A company hosts its application on AWS. The application runs on an Amazon Elastic Container Service (Amazon ECS) cluster that uses AWS Fargate. The cluster runs behind an Application Load Balancer The application stores data in an Amazon Aurora database A developer encrypts and manages database credentials inside the application The company wants to use a more secure credential storage method and implement periodic credential rotation.
Which solution will meet these requirements with the LEAST operational overhead?

  • A. Migrate the secret credentials to Amazon RDS parameter groups. Encrypt the parameter by using an AWS Key Management Service (AWS KMS) key Turn on secret rotation. Use 1AM policies and roles to grant AWS KMS permissions to access Amazon RDS.
  • B. Migrate the credentials to AWS Systems Manager Parameter Store. Encrypt the parameter by using an AWS Key Management Service (AWS KMS) key. Turn on secret rotation. Use 1AM policies and roles to grant Amazon ECS Fargate permissions to access to AWS Secrets Manager
  • C. Migrate the credentials to AWS Secrets Manager. Encrypt the credentials by using an AWS Key Management Service (AWS KMS) key Turn on secret rotation Use 1AM policies and roles to grant Amazon ECS Fargate permissions to access to AWS Secrets Manager by using keys.
  • D. Migrate the credentials to ECS Fargate environment variables. Encrypt the credentials by using an AWS Key Management Service (AWS KMS) key Turn on secret rotation. Use 1AM policies and roles to grant Amazon ECS Fargate permissions to access to AWS Secrets Manager.

Answer: C

Explanation:
Explanation
AWS Secrets Manager is a service that helps you store, distribute, and rotate secrets securely. You can use Secrets Manager to migrate your credentials from your application code to a secure and encrypted storage.
You can also enable automatic rotation of your secrets by using AWS Lambda functions or custom logic. You can use IAM policies and roles to grant your Amazon ECS Fargate tasks permissions to access your secrets from Secrets Manager. This solution minimizes the operational overhead of managing your credentials and enhances the security of your application. References
* AWS Secrets Manager: Store, Distribute, and Rotate Credentials Securely | AWS News Blog
* Why You Should Audit and Rotate Your AWS Credentials Periodically - Cloud Academy
* Top 5 AWS root account best practices - TheServerSide


NEW QUESTION # 177
An ecommerce application is running behind an Application Load Balancer. A developer observes some unexpected load on the application during non-peak hours. The developer wants to analyze patterns for the client IP addresses that use the application.
Which HTTP header should the developer use for this analysis?

  • A. The X-Forwarded-Port header
  • B. The X-Forwarded-For header
  • C. The X-Forwarded-Host header
  • D. The X-Forwarded-Proto header

Answer: B

Explanation:
The X-Forwarded-For HTTP header contains the IP address of the original client that made the request. The developer can use this header to analyze patterns for the IP addresses of clients using the application.


NEW QUESTION # 178
A developer is working on a web application that requires selective activation of specific features.
The developer wants to keep the features hidden from end users until the features are ready for public access.
Which solution will meet these requirements?

  • A. Create a feature flag configuration profile in AWS AppConfig. Store the feature flag values in the configuration profile. Activate and deactivate feature flags as needed.
  • B. Store prerelease data in AWS Amplify DataStore. Toggle between hidden and visible states by using Amplify DataStore cloud synchronization.
  • C. Create a feature flag configuration profile in AWS AppSync. Store the feature flag values in the configuration profile. Activate and deactivate feature flags as needed.
  • D. Store prerelease data in an Amazon DynamoDB table. Enable Amazon DynamoDB Streams in the table. Toggle between hidden and visible states by using DynamoDB Streams.

Answer: A

Explanation:
https://aws.amazon.com/blogs/mt/using-aws-appconfig-feature-flags/


NEW QUESTION # 179
A developer is creating a template that uses AWS CloudFormation to deploy an application. The application is serverless and uses Amazon API Gateway, Amazon DynamoDB, and AWS Lambda.
Which AWS service or tool should the developer use to define serverless resources in YAML?

  • A. AWS Elastic Beanstalk
  • B. AWS Serverless Application Model (AWS SAM)
  • C. CloudFormation serverless intrinsic functions
  • D. AWS Cloud Development Kit (AWS CDK)

Answer: B

Explanation:
AWS Serverless Application Model (AWS SAM) is an open-source framework that enables developers to build and deploy serverless applications on AWS. AWS SAM uses a template specification that extends AWS CloudFormation to simplify the definition of serverless resources such as API Gateway, DynamoDB, and Lambda. The developer can use AWS SAM to define serverless resources in YAML and deploy them using the AWS SAM CLI.


NEW QUESTION # 180
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