D is correct answer : local "By default, Terraform implicitly uses a backend called local to store state as a local file on disk. Every other backend stores state in a remote service of some kind, which allows multiple people to access it. Accessing state in a remote service generally requires some kind of access credentials, since state data contains extremely sensitive information." https://www.terraform.io/language/settings/backends

By default, Terraform uses a backend called local, which stores state as a local file on disk. You can also configure one of the built-in backends listed in the documentation sidebar. D correct

The default backend used by the Terraform CLI is the local backend. This means that the state file is stored on the local file system in a file named "terraform.tfstate".

D. Local

Answer is : D

Answer is D- local

Answer D. By default in Local backend