HashiCorp HashiCorp Certifications TA-002-P Questions & Answers

• Question 251:

  You have created an AWS EC2 instance of type t2.micro through your terraform configuration file ec2.tf . Now you want to change the instance type from t2.micro to t2.medium. Accordingly you have changed your configuration file and and ran terraform plan. After running terraform plan you check the output and saw one instance will be updated from t2.micro--> t2.medium. After this you went to grab a coffee without running terraform apply and meanwhile a member of your team changed the instance type of that EC2 instance to t2.medium from aws console. After coming to your desk you run terraform apply. What will happen?

  A. No resource will be updated and you will see the message : Apply Complete ! Resources : 0 added, 0 changed, 0 destroyed.

  B. The instance type will be changed to t2.micro and again will be changed to t2.medium

  C. terraform apply will through an error.

  D. 1 resource will be updated and you will see the message : Apply Complete ! Resources : 0 added, 1 changed, 0 destroyed.

  Correct Answer: A

• Question 252:

  Which of the following allows Terraform users to apply policy as code to enforce standardized configurations for resources being deployed via infrastructure as code?

  A. Sentinel

  B. Module registry

  C. Functions

  D. Workspaces

  Correct Answer: A

  Sentinel is a language and framework for policy built to be embedded in existing software to enable fine-grained, logic-based policy decisions. A policy describes under what circumstances certain behaviors are allowed. Sentinel is an enterprise-only feature. https://www.youtube.com/watch?v=Vy8s7AAvU6gandfeature=emb_title

• Question 253:

  Hanah is writing a terraform configuration with nested modules, there are multiple places where she has to use the same conditional expression but she wants to avoid repeating the same values or expressions multiple times in the configuration,. What is a better approach to dealing with this?

  A. Expressions

  B. Local Values

  C. Variables

  D. Functions

  Correct Answer: B

  https://www.terraform.io/docs/configuration/locals.html

• Question 254:

  The canonical format may change in minor ways between Terraform versions, so after upgrading Terraform it is recommended to proactively run.

  A. terraform fmt

  B. terraform init

  C. terraform validate

  D. terraform plan

  Correct Answer: A

• Question 255:

  Which of the following is the right substitute for static values that can make Terraform configuration file more dynamic and reusable?

  A. Output value

  B. Input parameters

  C. Functions

  D. Modules

  Correct Answer: B

  Input variables serve as parameters for a Terraform module, allowing aspects of the module to be customized without altering the module's own source code, and allowing modules to be shared between different configurations.

• Question 256:

  You cannot publish your own modules on the Terraform Registry.

  A. False

  B. True

  Correct Answer: A

  Anyone can publish and share modules on the Terraform Registry. https://www.terraform.io/docs/registry/modules/publish.html

• Question 257:

  Terraform-specific settings and behaviors are declared in which configuration block type?

  A. provider

  B. terraform

  C. resource

  D. data

  Correct Answer: B

  The special terraform configuration block type is used to configure some behaviors of Terraform itself, such as requiring a minimum Terraform version to apply your configuration.

  Example

  terraform {

  required_version = "> 0.12.0"

  }

  https://www.terraform.io/docs/configuration/terraform.html

• Question 258:

  What does terraform refresh command do?

  A. A. terraform refresh can be used to selectively update sections of the state file, using terraform resource level addressing.

  B. terraform refresh command basically updates the configuration file with the current state of the actual infrastructure

  C. terraform refresh is use to change/modify the infrastructure based on the existing state file, at that moment.

  D. terraform refresh can be used to selectively update sections of the state file, using terraform resource level addressing.

  E. terraform refresh syncs the state file with the real world infrastructure.

  Correct Answer: E

• Question 259:

  You can migrate the Terraform backend but only if there are no resources currently being managed.

  A. False

  B. True

  Correct Answer: A

  If you need to migrate to another backend, such as Terraform Cloud, so you can continue managing it. By migrating your Terraform state, you can hand off infrastructure without de-provisioning anything. https://www.terraform.io/docs/cloud/migrate/index.html

• Question 260:

  Which of the following variable definition files will terraform load automatically?

  A. terraform.tfvar

  B. Any files with names ending in .auto.tfvars.json

  C. terraform.tfvars

  D. terraform.tfvars.json

  Correct Answer: BCD

  Terraform also automatically loads a number of variable definitions files if they are present:

  Files named exactly terraform.tfvars or terraform.tfvars.json. Any files with names ending in .auto.tfvars or .auto.tfvars.json. https://www.terraform.io/docs/configuration/variables.html https://www.terraform.io/docs/configuration/

  variables.html#variable-definitions-tfvars-files