TA-002-P Question #313: Real Exam Question with Answer & Explanation

The correct answer is A: Terraform 0.12 introduced substantial changes to the syntax used to write Terraform. The required_version setting in a Terraform configuration is often used to specify a minimum Terraform CLI version due to significant breaking changes introduced in Terraform 0.12.

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Question

Why might a user opt to include the following snippet in their configuration file?

Options

ATerraform 0.12 introduced substantial changes to the syntax used to write Terraform
BThe user wants to ensure that the application being deployed is a minimum version of
Cthis ensures that all Terraform providers are above a certain version to match the
Dversions before Terraform 0.12 were not approved by HashiCorp to be used in production

Explanation

The required_version setting in a Terraform configuration is often used to specify a minimum Terraform CLI version due to significant breaking changes introduced in Terraform 0.12.

Common mistakes.

B. The snippet typically refers to the Terraform CLI version, not the version of an application being deployed by Terraform.
C. While providers have versions, the required_version in the terraform block primarily specifies the Terraform CLI version, not directly provider versions.
D. HashiCorp does not generally disapprove older versions for production use; the main reason for version constraints is feature and syntax compatibility.

Concept tested. Terraform required_version and 0.12 syntax changes

Reference. https://developer.hashicorp.com/terraform/language/settings/terraform#version-constraints

Topics

#Terraform versions#HCL syntax#Configuration compatibility#Terraform 0.12

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