AWS Certified DevOps Engineer - Professional
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A company is experiencing rapid growth and needs to scale its AWS development environments to meet increasing developer demand. Currently, these environments are manually created via the AWS Management Console. The networking team manages the networking infrastructure using AWS CloudFormation, exporting stack output values for the Amazon VPC and all subnets. Common standards for these environments include Application Load Balancers, Amazon EC2 Auto Scaling groups, security groups, and Amazon DynamoDB tables. To automate the creation of these environments and ensure they can be easily updated as the infrastructure grows, CloudFormation templates will be utilized. Which method should the DevOps engineer adopt to quickly and consistently provide AWS environments for developers?
A
Use Fn::ImportValue intrinsic functions in the Resources section of the template to retrieve Virtual Private Cloud (VPC) and subnet values. Use CloudFormation StackSets for the development environments, using the Count input parameter to indicate the number of environments needed. Use the UpdateStackSet command to update existing development environments.
B
Use nested stacks to define common infrastructure components. To access the exported values, use TemplateURL to reference the networking team’s template. To retrieve Virtual Private Cloud (VPC) and subnet values, use Fn::ImportValue intrinsic functions in the Parameters section of the root template. Use the CreateChangeSet and ExecuteChangeSet commands to update existing development environments.
C
Use nested stacks to define common infrastructure components. Use Fn::ImportValue intrinsic functions with the resources of the nested stack to retrieve Virtual Private Cloud (VPC) and subnet values. Use the CreateChangeSet and ExecuteChangeSet commands to update existing development environments.
D
Use Fn::ImportValue intrinsic functions in the Parameters section of the root template to retrieve Virtual Private Cloud (VPC) and subnet values. Define the development resources in the order they need to be created in the CloudFormation nested stacks. Use the CreateChangeSet and ExecuteChangeSet commands to update existing development environments.