DVA-C02 PRACTICE EXAM QUESTIONS - LATEST DVA-C02 TEST ONLINE

DVA-C02 Practice Exam Questions - Latest DVA-C02 Test Online

DVA-C02 Practice Exam Questions - Latest DVA-C02 Test Online

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Amazon DVA-C02 certification exam is also suitable for professionals who want to pursue a career in cloud computing and want to establish themselves as experts in AWS development. Earning this certification demonstrates a candidate's comprehensive knowledge of AWS services and their ability to design, develop, and deploy secure, scalable, and fault-tolerant applications in the cloud. Overall, the Amazon DVA-C02 certification is a valuable credential for developers seeking to advance their career in cloud computing.

Amazon DVA-C02 (AWS Certified Developer - Associate) Certification Exam is a valuable credential for professionals who want to specialize in developing and deploying applications on AWS. DVA-C02 exam covers a range of topics related to AWS development, including core services, application services, security, best practices, and troubleshooting. AWS Certified Developer - Associate certification is recognized globally and can help professionals advance their careers and increase their earning potential.

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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 AWS Certified Developer - Associate Sample Questions (Q279-Q284):

NEW QUESTION # 279
A developer is using an AWS Lambda function to generate avatars for profile pictures that are uploaded to an Amazon S3 bucket. The Lambda function is automatically invoked for profile pictures that are saved under the /original/ S3 prefix. The developer notices that some pictures cause the Lambda function to time out. The developer wants to implement a fallback mechanism by using another Lambda function that resizes the profile picture. Which solution will meet these requirements with the LEAST development effort?

  • A. Create an AWS Step Functions state machine that invokes the avatar generator Lambda function and uses the image resize Lambda function as a fallback. Create an Amazon EventBridge rule that matches events from the S3 bucket to invoke the state machine.
  • B. Create an Amazon Simple Queue Service (Amazon SQS) queue. Set the SQS queue as a destination with an on failure condition for the avatar generator Lambda function. Configure the image resize Lambda function to poll from the SQS queue.
  • C. Set the image resize Lambda function as a destination of the avatar generator Lambda function for the events that fail processing.
  • D. Create an Amazon Simple Notification Service (Amazon SNS) topic. Set the SNS topic as a destination with an on failure condition for the avatar generator Lambda function. Subscribe the image resize Lambda function to the SNS topic.

Answer: C

Explanation:
This will allow the developer to implement a fallback mechanism by using another Lambda function that resizes the profile picture with the least development effort.


NEW QUESTION # 280
A developer is building an application on AWS. The application includes an AWS Lambda function that processes messages from an Amazon Simple Queue Service (Amazon SQS) queue.
The Lambda function sometimes fails or times out. The developer needs to figure out why the Lambda function fails to process some messages.
Which solution will meet these requirements with the LEAST operational overhead?

  • A. Create a dead-letter queue. Configure the Lambda function to send the failed messages to the dead-letter queue.
  • B. Increase the maximum timeout of the Lambda function to 15 minutes. Check the AWS CloudTrail event history for error details.
  • C. Increase the visibility timeout of the SQS queue. Check logs in Amazon CloudWatch Logs for error details.
  • D. Create an Amazon DynamoDB table. Update the Lambda function to send the failed messages to the DynamoDB table.

Answer: C


NEW QUESTION # 281
A company is building a scalable data management solution by using AWS services to improve the speed and agility of development. The solution will ingest large volumes of data from various sources and will process this data through multiple business rules and transformations.
The solution requires business rules to run in sequence and to handle reprocessing of data if errors occur when the business rules run. The company needs the solution to be scalable and to require the least possible maintenance.
Which AWS service should the company use to manage and automate the orchestration of the data flows to meet these requirements?

  • A. AWS Step Functions
  • B. AWS Lambda
  • C. AWS Batch
  • D. AWS Glue

Answer: B


NEW QUESTION # 282
A developer wants the ability to roll back to a previous version of an AWS Lambda function in the event of errors caused by a new deployment. How can the developer achieve this with MINIMAL impact on users?

  • A. Change the application to use an alias that points to the current version. Deploy the new version of the code. Update the alias to direct 10% of users to the newly deployed version. If too many errors are encountered, send 100% of traffic to the previous version
  • B. Do not make any changes to the application. Deploy the new version of the code. If too many errors are encountered, point the application back to the previous version using the version number in the Amazon Resource Name (ARN).
  • C. Change the application to use an alias that points to the current version. Deploy the new version of the code Update the alias to use the newly deployed version. If too many errors are encountered, point the alias back to the previous version.
  • D. Create three aliases: new, existing, and router. Point the existing alias to the current version. Have the router alias direct 100% of users to the existing alias. Update the application to use the router alias. Deploy the new version of the code. Point the new alias to this version. Update the router alias to direct 10% of users to the new alias. If too many errors are encountered, send 100% of traffic to the existing alias.

Answer: C


NEW QUESTION # 283
A company uses Amazon API Gateway to expose a set of APIs to customers. The APIs have caching enabled in API Gateway. Customers need a way to invalidate the cache for each API when they test the API.
What should a developer do to give customers the ability to invalidate the API cache?

  • A. Ask the customers to use AWS credentials to call the InvalidateCache API operation.
  • B. Ask the customers to use the AWS SDK API Gateway class to invoke the InvalidateCache API operation.
  • C. Attach an InvalidateCache policy to the IAM execution role that the customers use to invoke the API. Ask the customers to add the INVALIDATE_CACHE query string parameter when they make an API call.
  • D. Attach an InvalidateCache policy to the IAM execution role that the customers use to invoke the API. Ask the customers to send a request that contains the HTTP header when they make an API call.

Answer: C


NEW QUESTION # 284
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