The network engineering team of a business is exclusively responsible for VPC infrastructure deployment using AWS CloudF

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The network engineering team of a business is exclusively responsible for VPC infrastructure deployment using AWS CloudFormation. The business hopes to enable developers to build apps using CloudFormation templates, allowing for the creation of subnets using accessible CIDR ranges.

What steps should be taken to ensure compliance with these requirements?

A. Create a CloudFormation template with Amazon EC2 resources that rely on cfn-init and cfn-signals to inform the stack of available CIDR ranges.
B. Create a CloudFormation template with a custom resource that analyzes traffic activity in VPC Flow Logs and reports on available CIDR ranges.
C. Create a CloudFormation template that references the Fn::Cidr intrinsic function within a subnet resource to select an available CIDR range.
D. Create a CloudFormation template with a custom resource that uses AWS Lambda and Amazon DynamoDB to manage available CIDR ranges.