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Mock DVA-C01 Exam, DVA-C01 Answers Real Questions

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To succeed in the Amazon DVA-C01 exam, the candidate should have a thorough understanding of AWS services, including Amazon Elastic Compute Cloud (EC2), Amazon Simple Storage Service (S3), Amazon DynamoDB, Amazon Simple Queue Service (SQS), and Amazon Simple Notification Service (SNS). Additionally, the candidate should have practical experience in developing, deploying, and troubleshooting cloud-based applications on the AWS platform.

Amazon AWS Certified Developer Associate Exam Sample Questions (Q489-Q494):

NEW QUESTION # 489
An application is being developed to audit several AWS accounts. The application will run in Account A and must access AWS services in Accounts B and C.
What is the MOST secure way to allow the application to call AWS services in each audited account?

  • A. Deploy an application in each audited account with its own role. Have Account A authenticate with the application
  • B. Configure cross-account roles in each audited account. Write code in Account A that assumes those roles
  • C. Create an IAM user with an access key in each audited account. Write code in Account A that uses those access keys
  • D. Use S3 cross-region replication to communicate among accounts, with Amazon S3 event notifications to trigger Lambda functions

Answer: C

NEW QUESTION # 490
A customer wants to deploy its source code on an AWS Elastic Beanstalk environment. The customer needs to perform deployment with minimal outage and should only use existing instances to retain application access log.
What deployment policy would satisfy these requirements?

  • A. All at once
  • B. Immutable
  • C. Rolling with an additional batch
  • D. Rolling

Answer: D

NEW QUESTION # 491
A Development team is working on a case management solution that allows medical claims to be processed and reviewed. Users log in to provide information related to their medical and financial situations.
As part of the application, sensitive documents such as medical records, medical imaging, bank statements, and receipts are uploaded to Amazon S3. All documents must be securely transmitted and stored. All access to the documents must be recorded for auditing.
What is the MOST secure approach?

  • A. Use client-side encryption/decryption with Amazon S3 and AWS KMS.
  • B. Use Amazon Cognito for authorization and authentication to ensure the security of the application and documents.
  • C. Use S3 default encryption using Advanced Encryption Standard-256 (AES-256) on the destination bucket.
  • D. Use AWS Lambda to encrypt and decrypt objects as they are placed into the S3 bucket.

Answer: C

Explanation:
https://aws.amazon.com/s3/faqs/?nc1=h_ls.

NEW QUESTION # 492
A Developer is writing a REST service that will add items to a shopping list. The service is built on Amazon API Gateway with AWS Lambda integrations. The shopping list items are send as query string parameters in the method request.
How should the Developer convert the query string parameters to arguments for the Lambda function?

  • A. Enable request validation
  • B. Change the integration type
  • C. Create a mapping template
  • D. Include the Amazon Resource Name (ARN) of the Lambda function

Answer: B

Explanation:
Explanation
https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-api-integration-types.html

NEW QUESTION # 493
An application has hundreds of users. Each user may use multiple devices to access the application. The Developer wants to assign unique identifiers to these users regardless of the device they use.
Which of the following methods should be used to obtain unique identifiers?

  • A. Implement developer-authenticated identities by using Amazon Cognito, and get credentials for these identities.
  • B. Create a user table in Amazon DynamoDB as key-value pairs of users and their devices. Use these keys as unique identifiers.
  • C. Assign IAM users and roles to the users. Use the unique IAM resource ID as the unique identifier.
  • D. Use IAM-generated access key IDs for the users as the unique identifier, but do not store secret keys.

Answer: A

NEW QUESTION # 494
……

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