26 practice questions with answers and explanations.
What is an advantage of immutable infrastructure?
The correct answer is C. Option C: Quicker infrastructure upgrades
Your team adopts an AWS CloudFormation as the standardized method for provisioning public cloud resources. Which scenario presents a challenge for your team?
The correct answer is A. Option A: Deploying new infrastructure into Microsoft Azure.
Which command lets you experiment with Terraform expressions?
The correct answer is A. Option A: terraform console
Explanation
terraform console evaluates Terraform expressions interactively using the current configuration and state.
You can install Community/Partner plugins using terraform init.
The correct answer is A. Option A: True
What functionality do providers offer in Terraform? (Choose three.)
The correct answer is B, C, E. Option B: Provision resources for public cloud infrastructure services. Option C: Interact with cloud provider APIs. Option E: Provision resources for on-premises infrastructure services.
Explanation
A provider plugin implements resource types and data sources that communicate with an external API.
Terraform can only manage resource dependencies if you set them explicitly with the depends_on argument.
The correct answer is B. Option B: False
A resource block is shown in the Exhibit space of this page. resource “aws_vpc” “main” { name = “test” } What is the provider for this resource?
The correct answer is C. Option C: aws
Terraform providers are always installed from the internet.
The correct answer is B. Option B: False
You need to determine from which paths Terraform is loading the providers referenced in your *.tf files. How can you enable additional logging to see this information?
The correct answer is B. Option B: Set the environment variable TF_LOG=TRACE.
Which of these is stored in the .terraform directory?
The correct answer is A. Option A: Providers and modules
Explanation
A provider plugin implements resource types and data sources that communicate with an external API. A Terraform module packages related resources into a reusable configuration with defined inputs and outputs.
Where can Terraform not load a provider from?
The correct answer is B. Option B: Source code
Which command must you run before you run a plan or apply for the first time?
The correct answer is D. Option D: terraform init
Explanation
terraform init initializes a working directory, installs required providers and modules, and configures the backend.
You modified your local Terraform configuration and ran terraform plan to review the changes. Simultaneously, your teammate manually modified the infrastructure component you are working on. Since you already ran terraform plan locally, the execution plan for terraform apply will be the same.
The correct answer is B. Option B: False
Which syntax check returns an error when you run terraform validate?
The correct answer is B. Option B: There is a missing variable block.
Outside of the required_providers block, Terraform configurations always refer to providers by their local names.
The correct answer is A. Option A: True
You want to define multiple data disks as nested blocks inside the resource block for a virtual machine. What Terraform feature would help you define the blocks using the values in a variable?
The correct answer is D. Option D: Dynamic blocks
Explanation
A dynamic block programmatically generates repeatable nested blocks from a collection.
You are creating a reusable Terraform configuration and want to include an optional billing_dept tag so your Finance team can track team-specific spending on resources. Which of the following billing_dept variable declarations will achieve this?
The correct answer is A. Option A: variable “billing_dept” {default = “”}
When you run terraform apply, the Terraform CLI will print output values from both the root module and any child modules.
The correct answer is B. Option B: False
Your team is using a version 3.1.4 of a module from the public Terraform Registry, and they’re worried about possible breaking changes in future versions of the module. Which version argument should you add to the module block to prevent newer versions from being used?
The correct answer is A. Option A: version = “3.1.4”
What Terraform command always causes a state file to be updated with changes that might have been made outside of Terraform?
The correct answer is C. Option C: terraform apply =lock=false
Explanation
terraform apply executes the dependency-aware changes required to make infrastructure match the configuration.
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