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Exam AWS Certified Developer - Associate DVA-C02 All Questions

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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 417 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 417
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer is creating an application on Amazon Elastic Container Service (Amazon ECS). The developer needs to configure the application parameters. The developer must configure limits for the application's maximum number of simultaneous connections and maximum number of transactions per second.

The maximum number of connections and transactions can change in the future. The developer needs a solution that can automatically deploy these changes to the application, as needed, without causing downtime.

Which solution will meet these requirements?

  • A. Make the configuration changes for the application. Use AWS CodeDeploy to create a deployment configuration. Specify an in-place deployment to deploy the changes.
  • B. Bootstrap the application to use the AWS Cloud Development Kit (AWS CDK) and make the configuration changes. Specify the ECSCanary10Percent15Minutes launch type in the properties section of the ECS resource. Deploy the application by using the AWS CDK to implement the changes.
  • C. Install the AWS AppConfig agent on Amazon ECS. Configure an IAM role with access to AWS AppConfig. Make the deployment changes by using AWS AppConfig. Specify Canary10Percent20Minutes as the deployment strategy.
  • D. Create an AWS Lambda function to make the configuration changes. Create an Amazon CloudWatch alarm that monitors the Lambda function every 5 minutes to check if the Lambda function has been updated. When the Lambda function is updated, deploy the changes by using AWS CodeDeploy.
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Suggested Answer: C 🗳️
by jasonczx at Sept. 1, 2024, 9:07 a.m.
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jasonczx
7 months, 3 weeks ago
Selected Answer: C
The agent calls AWS AppConfig on your behalf by using an AWS Identity and Access Management (IAM) role and managing a local cache of configuration data. By pulling configuration data from the local cache, your application requires fewer code updates to manage configuration data, retrieves configuration data in milliseconds, and isn't affected by network issues that can disrupt calls for such data. https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-integration-ec2.html
upvoted 3 times
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jasonczx
7 months, 3 weeks ago
Selected Answer: C
The AWS AppConfig Agent is the recommended method for retrieving AWS AppConfig feature flags or free form configuration data. The agent automatically implements best practices and may lower your cost of using AWS AppConfig as a result of fewer API calls to retrieve configurations. https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-agent-how-to-use.html
upvoted 2 times
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jasonczx
7 months, 3 weeks ago
Selected Answer: C
This environment variable configures the maximum number of connections that the agent uses to retrieve configurations from AWS AppConfig. https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-integration-containers-agent.html
upvoted 1 times
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siheom
7 months, 3 weeks ago
Selected Answer: D
vote D
upvoted 1 times
siheom
7 months, 3 weeks ago
D is wrong.. vote C
upvoted 2 times
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jasonczx
7 months, 3 weeks ago
Selected Answer: D
Lambda automatically handles scaling the number of execution environments until you reach your account's concurrency limit. By default, Lambda provides your account with a total concurrency limit of 1,000 concurrent executions across all functions in an AWS Region. https://docs.aws.amazon.com/lambda/latest/dg/lambda-concurrency.html
upvoted 1 times
jasonczx
7 months, 3 weeks ago
Correct, C is correct
upvoted 1 times
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