100% PASS QUIZ AMAZON - DVA-C02 - UPDATED AWS CERTIFIED DEVELOPER - ASSOCIATE VALID EXAM SAMPLE

100% Pass Quiz Amazon - DVA-C02 - Updated AWS Certified Developer - Associate Valid Exam Sample

100% Pass Quiz Amazon - DVA-C02 - Updated AWS Certified Developer - Associate Valid Exam Sample

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Achieving the Amazon DVA-C02 certification demonstrates a developer's ability to design, develop, and deploy cloud-based applications on the AWS platform. It can help developers enhance their career opportunities and increase their earning potential. Additionally, it enables organizations to identify and hire developers who possess the skills and knowledge needed to design and deploy high-quality applications on the AWS platform.

Amazon DVA-C02 certification exam is designed for individuals who want to demonstrate their expertise in developing and maintaining applications on the Amazon Web Services (AWS) platform. AWS Certified Developer - Associate certification exam is intended for candidates who have at least one year of experience in developing and maintaining applications using AWS services. The DVA-C02 Exam is an updated version of the previous DVA-C01 exam, which was released in 2018. The new exam includes updated content that covers the latest AWS services and technologies, including AWS Lambda, AWS Elastic Beanstalk, and AWS DynamoDB.

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Amazon AWS Certified Developer - Associate Sample Questions (Q363-Q368):

NEW QUESTION # 363
A company has a website that is developed in PHP and is launched using AWS Elastic Beanstalk. There is a new version of the website that needs to be deployed in the Elastic Beanstalk environment. The company cannot tolerate having the website offline if an update fails. Deployments must have minimal impact and rollback as soon as possible.

  • A. Immutable
  • B. All at once
  • C. Snapshots
  • D. Rolling

Answer: A

Explanation:
The Immutable deployment method is the best choice when a company requires minimal downtime and automatic rollback in case of a failure. Here's why:
* In Immutable deployments, a new set of instances is launched with the updated version. These instances are tested and validated before they replace the old instances. This ensures zero downtime and immediate rollback if the deployment fails.
* All at once (A) causes downtime because the update replaces all instances simultaneously.
* Rolling deployments (B) update a few instances at a time, but if a failure occurs midway, downtime or partial unavailability can happen.
* Snapshots (C) are not a deployment strategy in Elastic Beanstalk.


NEW QUESTION # 364
A developer has code that is stored in an Amazon S3 bucket. The code must be deployed as an AWS Lambda function across multiple accounts in the same AWS Region as the S3 bucket. An AWS CloudFormation template that runs for each account will deploy the Lambda function.
What is the MOST secure way to allow CloudFormation to access the Lambda code in the S3 bucket?

  • A. Use a service-based link to grant the Lambda function the S3 GetObject permission. Add a resource of "*" to allow access to the S3 bucket.
  • B. Use a service-based link to grant the Lambda function the S3 ListBucket and GetObject permissions by explicitly adding the S3 bucket's account number in the resource.
  • C. Grant the CloudFormation service role the S3 GetObject permission. Add a bucket policy to Amazon S3 with the principal of "*:".
  • D. Grant the CloudFormation service role the S3 ListBucket and GetObject permissions. Add a bucket policy to Amazon S3 with the principal of "AWS": [account numbers].

Answer: D

Explanation:
Option (A) is the safest way to allow CloudFormation to access the Lambda code in the S3 bucket because it limits access to the specific accounts that need to deploy the Lambda functions. The bucket policy grants S3 ListBucket and GetObject permissions to the CloudFormation service role only for the accounts specified in the principal.


NEW QUESTION # 365
A developer is using AWS CloudFormation to deploy an AWS Lambda function. The developer needs to set the Lambda function's timeout value based on the environment parameter of the template. The template contains mappings of EnvironmentData for each environment's timeout value. The environment parameter and EnvironmentData mappings are as follows:
Environment parameter:
EnvironmentData mappings:
Which statement will meet these requirements?

  • A.
  • B.
  • C.
  • D.

Answer: B


NEW QUESTION # 366
A developer is incorporating AWS X-Ray into an application that handles personal identifiable information (PII). The application is hosted on Amazon EC2 instances. The application trace messages include encrypted PII and go to Amazon CloudWatch. The developer needs to ensure that no PII goes outside of the EC2 instances.
Which solution will meet these requirements?

  • A. Use Amazon Macie to detect and hide PII. Call the X-Ray API from AWS Lambda.
  • B. Use the X-Ray auto-instrumentation agent.
  • C. Use AWS Distro for Open Telemetry.
  • D. Manually instrument the X-Ray SDK in the application code.

Answer: D

Explanation:
This solution will meet the requirements by allowing the developer to control what data is sent to X-Ray and CloudWatch from the application code. The developer can filter out any PII from the trace messages before sending them to X-Ray and CloudWatch, ensuring that no PII goes outside of the EC2 instances. Option B is not optimal because it will automatically instrument all incoming and outgoing requests from the application, which may include PII in the trace messages. Option C is not optimal because it will require additional services and costs to use Amazon Macie and AWS Lambda, which may not be able to detect and hide all PII from the trace messages. Option D is not optimal because it will use Open Telemetry instead of X-Ray, which may not be compatible with CloudWatch and other AWS services.
References: [AWS X-Ray SDKs]


NEW QUESTION # 367
A developer is designing a fault-tolerant environment where client sessions will be saved.
How can the developer ensure that no sessions are lost if an Amazon EC2 instance fails?

  • A. Use Amazon SQS to save session data.
  • B. Use sticky sessions with an Elastic Load Balancer target group.
  • C. Use Amazon DynamoDB to perform scalable session handling.
  • D. Use Elastic Load Balancer connection draining to stop sending requests to failing instances.

Answer: C


NEW QUESTION # 368
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