Core Terraform concepts including providers, state, and modules tested on the HashiCorp Terraform Associate exam.
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- What is Terraform?
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An open source infrastructure as code tool that uses declarative configuration to define and manage cloud resources.- What language does Terraform use?
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HCL (HashiCorp Configuration Language), a declarative configuration language.- What is a Terraform provider?
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A plugin that enables Terraform to interact with cloud platforms, SaaS providers, or other APIs.- What is the Terraform state file?
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A JSON file that tracks the current state of all managed resources, acting as a single source of truth.- What is a Terraform module?
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A container of multiple resources that are used together, enabling code reuse and organization.- What is a resource in Terraform?
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An object that represents a specific infrastructure component, such as a compute instance or database.- What is a Terraform data source?
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A read-only reference to data managed external to Terraform, allowing you to query existing resources.- What are Terraform variables used for?
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To define input values that make configurations reusable and customizable.- What are Terraform outputs used for?
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To export values computed or managed by Terraform so they can be used by other configurations or displayed to users.- What does the terraform plan command do?
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Generates and shows an execution plan that describes the actions Terraform will perform without making any changes.- What does the terraform apply command do?
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Executes the actions described in the plan to create, update, or delete infrastructure resources.- What does the terraform destroy command do?
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Destroys all remote objects managed by Terraform in the configuration.- What is remote state in Terraform?
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State stored in a remote backend such as S3, Terraform Cloud, or Consul instead of locally on disk.- What are Terraform provisioners?
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A way to run scripts or perform actions on a resource after it is created, as a last resort for configuration.- What is the null_resource in Terraform?
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A resource from the null provider that does not manage any real infrastructure, useful for provisioners or triggers.
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