LATEST DVA-C02 EXAM DURATION & RELIABLE DVA-C02 EXAM BOOK

Latest DVA-C02 Exam Duration & Reliable DVA-C02 Exam Book

Latest DVA-C02 Exam Duration & Reliable DVA-C02 Exam Book

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Tags: Latest DVA-C02 Exam Duration, Reliable DVA-C02 Exam Book, DVA-C02 Well Prep, DVA-C02 Upgrade Dumps, New Guide DVA-C02 Files

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Amazon DVA-C02 certification is valuable for developers, solutions architects, and system administrators who want to demonstrate their expertise in developing and deploying applications on AWS. AWS Certified Developer - Associate certification is recognized globally and can help professionals advance their careers and increase their earning potential. Certified professionals are also eligible for the AWS Certified Solutions Architect – Associate and AWS Certified DevOps Engineer – Professional certifications.

Amazon DVA-C02 (AWS Certified Developer - Associate) 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 is ideal for software developers who are looking to enhance their skills in cloud computing and gain recognition for their proficiency in building applications on AWS. DVA-C02 Exam covers a wide range of topics such as AWS core services, AWS security, AWS database services, and AWS deployment and management.

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Amazon AWS Certified Developer - Associate Sample Questions (Q473-Q478):

NEW QUESTION # 473
A company has an online web application that includes a product catalog. The catalog is stored in an Amazon S3 bucket that is named DOC-EXAMPLE-BUCKET. The application must be able to list the objects in the S3 bucket and must be able to download objects through an 1AM policy.
Which policy allows MINIMUM access to meet these requirements?

  • A. Option D
  • B. Option C
  • C. Option B
  • D. Option A

Answer: D


NEW QUESTION # 474
A developer is building an ecommerce application that uses multiple AWS Lambda functions. Each function performs a specific step in a customer order workflow, such as order processing and inventory management.
The developer must ensure that the Lambda functions run in a specific order.
Which solution will meet this requirement with the LEAST operational overhead?

  • A. Configure Amazon EventBridge Scheduler schedules to invoke the Lambda functions in a specific order.
  • B. Configure an Amazon Simple Queue Service (Amazon SQS) queue to contain messages about each step a function must perform. Configure the Lambda functions to run sequentially based on the order of messages in the SQS queue.
  • C. Configure an Amazon Simple Notification Service (Amazon SNS) topic to contain notifications about each step a function must perform. Subscribe the Lambda functions to the SNS topic. Use subscription filters based on the step each function must perform.
  • D. Configure an AWS Step Functions state machine to invoke the Lambda functions in a specific order.

Answer: D

Explanation:
The requirement here is to ensure that Lambda functions are executed in a specific order. AWS Step Functions is a low-code workflow orchestration service that enables you to sequence AWS services, such as AWS Lambda, into workflows. It is purpose-built for situations like this, where different steps need to be executed in a strict sequence.
* AWS Step Functions: Step Functions allows developers to design workflows as state machines, where each state corresponds to a particular function. In this case, the developer can create a Step Functions state machine where each step (order processing, inventory management, etc.) is represented by a Lambda function.
* Operational Overhead: Step Functions have very low operational overhead because it natively handles retries, error handling, and function sequencing.
* Alternatives:
* Amazon SQS (Option A): While SQS can manage message ordering, it requires more manual handling of each step and the logic to sequentially invoke the Lambda functions.
* Amazon SNS (Option B): SNS is a pub/sub service and is not designed to handle sequences of Lambda executions.
* EventBridge (Option D): EventBridge Scheduler allows you to invoke Lambda functions based on scheduled times, but it doesn't directly support sequencing based on workflow logic.Therefore, AWS Step Functionsis the most appropriate solution due to its native orchestration capabilities and minimal operational complexity.


NEW QUESTION # 475
An application uses an Amazon EC2 Auto Scaling group. A developer notices that EC2 instances are taking a long time to become available during scale-out events. The UserData script is taking a long time to run.
The developer must implement a solution to decrease the time that elapses before an EC2 instance becomes available. The solution must make the most recent version of the application available at all times and must apply all available security updates. The solution also must minimize the number of images that are created.
The images must be validated.
Which combination of steps should the developer take to meet these requirements? (Choose two.)

  • A. Use EC2 Image Builder to create an Amazon Machine Image (AMI). Install all the patches and agents that are needed to manage and run the application. Update the Auto Scaling group launch configuration to use the AMI.
  • B. Use EC2 Image Builder to create an Amazon Machine Image (AMI). Install the latest version of the application and all the patches and agents that are needed to manage and run the application. Update the Auto Scaling group launch configuration to use the AMI.
  • C. Set up AWS CodeDeploy to deploy the most recent version of the application at runtime.
  • D. Set up AWS CodePipeline to deploy the most recent version of the application at runtime.
  • E. Remove any commands that perform operating system patching from the UserData script.

Answer: B,E

Explanation:
Explanation
AWS CloudFormation is a service that enables developers to model and provision AWS resources using templates. The developer can use the following steps to avoid accidental database deletion in the future:
Set up AWS CodeDeploy to deploy the most recent version of the application at runtime. This will ensure that the application code is always up to date and does not depend on the AMI.
Remove any commands that perform operating system patching from the UserData script. This will reduce the time that the UserData script takes to run and speed up the instance launch process.
References:
[What Is AWS CloudFormation? - AWS CloudFormation]
[What Is AWS CodeDeploy? - AWS CodeDeploy]
[Running Commands on Your Linux Instance at Launch - Amazon Elastic Compute Cloud]


NEW QUESTION # 476
A developer is creating an Amazon DynamoDB table by using the AWS CLI The DynamoDB table must use server-side encryption with an AWS owned encryption key How should the developer create the DynamoDB table to meet these requirements?

  • A. Create an AWS owned key Provide the key's Amazon Resource Name (ARN) in the KMSMasterKeyld parameter during creation of the DynamoDB table.
  • B. Create the DynamoDB table with the default encryption options
  • C. Create an AWS Key Management Service (AWS KMS) AWS managed key Provide the key's Amazon Resource Name (ARN) in the KMSMasterKeyld parameter during creation of the DynamoDB table
  • D. Create an AWS Key Management Service (AWS KMS) customer managed key. Provide the key's Amazon Resource Name (ARN) in the KMSMasterKeyld parameter during creation of the DynamoDB table

Answer: B

Explanation:
Explanation
When creating an Amazon DynamoDB table using the AWS CLI, server-side encryption with an AWS owned encryption key is enabled by default. Therefore, the developer does not need to create an AWS KMS key or specify the KMSMasterKeyId parameter. Option A and B are incorrect because they suggest creating customer-managed and AWS-managed KMS keys, which are not needed in this scenario. Option C is also incorrect because AWS owned keys are automatically used for server-side encryption by default.


NEW QUESTION # 477
A development team wants to immediately build and deploy an application whenever there is a change to the source code.
Which approaches could be used to trigger the deployment? (Choose two.)

  • A. Store the source code in an Amazon S3 bucket. Configure AWS CodePipeline to start whenever a file in the bucket changes.
  • B. Store the source code in an Amazon S3 bucket. Configure AWS CodePipeline to start every 15 minutes.
  • C. Store the source code in an encrypted Amazon EBS volume. Configure AWS CodePipeline to start whenever a file in the volume changes.
  • D. Store the source code in an Amazon EC2 instance's ephemeral storage. Configure the instance to start AWS CodePipeline whenever there are changes to the source code.
  • E. Store the source code in an AWS CodeCommit repository. Configure AWS CodePipeline to start whenever a change is committed to the repository.

Answer: A,E


NEW QUESTION # 478
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