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Free AWS-CERTIFIED-DEVELOPER-ASSOCIATE-DVA-C02 – Amazon AWS-CERTIFIED-DEVELOPER-ASSOCIATE-DVA-C02 Practice Test Question

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Showing 43–45 of 56 questions

Question 43 (Topic 1)

A developer needs to fix an AWS CodeDeploy deployment that failed. During the failed deployment, the developer received the following error message: “The overall deployment failed because too many individual instances failed deployment, too few healthy instances are available for deployment, or some instances in your deployment group are experiencing problems. (Error code: HEALTH-CONSTRAINTS)” What are the possible causes of the failed deployment? (Choose two.)

Select an option, then click Submit answer.

  • ○ The CodeDeploy agent was not running on the instances that CodeDeploy was trying to deploy to.
  • ○ The unified Amazon CloudWatch agent was not running on the instances that CodeDeploy was trying to deploy to.
  • ○ The developer’s IAM role did not have the necessary permissions to perform code deployment to the instances.
  • ○ CodeDeploy was trying to deploy to instances that were attached to an IAM instance profile that did not have the required permissions.
  • ○ CodeDeploy was trying to deploy to instances that were not set up with correct CodeDeploy health checks.
Question 44 (Topic 1)

An application interacts with Amazon Aurora to store and track customer information. The primary database is set up with multiple read replicas for improving the performance of the read queries. However, one of the Aurora replicas is receiving most or all of the traffic, while the other Aurora replica remains idle. How can this issue be resolved?

Select an option, then click Submit answer.

  • ○ Disable application-level DNS caching.
  • ○ Enable application-level DNS caching.
  • ○ Enable application pooling
  • ○ Disable application pooling
Question 45 (Topic 1)

A company runs a new application on AWS Elastic Beanstalk. The company needs to deploy updates to the application. The updates must not cause any downtime for application users. The deployment must forward a specified percentage of incoming client traffic to a new application version during an evaluation period. Which deployment type will meet these requirements?

Select an option, then click Submit answer.

  • ○ rolling
  • ○ traffic-splitting
  • ○ in-place
  • ○ immutable