HashiCorp Updated Terraform-Associate-003 Exam Questions and Answers by myla-rose

This is the recommended way to use a remote backend that needs authentication, as it allows you to provide the credentials via environment variables, command-line arguments, or interactive prompts, without storing them in the Terraform configuration files.

Child modulesdo not automatically inheritvariables from the parent module.

To pass values from theparent moduleto thechild module, you mustexplicitly define input variablesin the child module and pass them in the parent module.

Example:

hcl

CopyEdit

module "example" {

source = "./child_module"

var1 = "value"

}

Official Terraform Documentation Reference:

Passing Variables to Modules

Terraform follows adeclarativeapproach, meaning it ensures the infrastructure matches the configuration.

If you run terraform apply againwithout any changes, Terraform willdetect that the infrastructure is already up to dateand willdo nothing.

The command will complete successfully with the message"No changes. Your infrastructure matches the configuration."

Official Terraform Documentation Reference:

Terraform Apply - HashiCorp Documentation

When you use a remote backend that needs authentication, HashiCorp recommends that you: