Amazon Exam DOP-C01 Topic 7 Question 86 Discussion

Actual exam question for Amazon's DOP-C01 exam

Question #: 86
Topic #: 7

An application running on a set of Amazon EC2 instances in an Auto Scaling group requires a configuration file to operate. The instances are created and maintained with AWS Cloud Formation. A DevOps engineer wants the instances to have the latest configuration file when launched, and wants changes to the configuration file to be reflected on all the instances with a minimal delay when the CloudFormation template is updated Company policy requires that application configuration files be maintained along with AWS infrastructure configuration files in source control.

Which solution will accomplish this?

AIn the CloudFormation template, add an AWS Config rule. Place the configuration file content in the rule's InputParameters property, and set the Scope property to the EC2 Auto Scaling group. Add an AWS Systems Manager Resource Data Sync resource to the template to poll for updates to the configuration.

BIn the CloudFormation template, add an EC2 launch template resource. Place the configuration file content in the launch template. Configure the cfn-init script to run when the instance is launched, and configure the cfn-hup script to poll for updates to the configuration.

CIn the CloudFormation template, add an EC2 launch template resource. Place the configuration file content in the launch template. Add an AWS Systems Manager Resource Data Sync resource to the template to poll for updates to the configuration.

DIn the CloudFormation template, add CloudFormation init metadata. Place the configuration file content in the metadata. Configure the cfn-init script to run when the instance is launched, and configure the cfn-hup script to poll for updates to the configuration.

Show Suggested Answer

Suggested Answer: B

by Wynell at Feb 12, 2024, 12:32 PM

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Option B looks promising. By placing the configuration file content in the launch template and using cfn-init and cfn-hup, we can ensure the instances have the latest configuration when launched and when the template is updated.

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Launa

8 months ago

This question seems to be testing our understanding of AWS CloudFormation and how to manage application configuration files. The key is to find a solution that allows the configuration file to be updated with minimal delay when the CloudFormation template is updated.

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