2025年最新の有効なTerraform-Associate-003試験最新問題で2025年最新の学習ガイド
Terraform-Associate-003認定で究極のガイド [2025年更新]
質問 # 69
When should you use the force-unlock command?
- A. apply failed due to a state lock
- B. You see a status message that you cannot acquire the lock
- C. Automatic unlocking failed
- D. You have a high priority change
正解：C
解説：
You should use the force-unlock command when automatic unlocking failed. Terraform will lock your state for all operations that could write state, such as plan, apply, or destroy. This prevents others from acquiring the lock and potentially corrupting your state. State locking happens automatically on all operations that could write state and you won't see any message that it is happening. If state locking fails, Terraform will not continue. You can disable state locking for most commands with the -lock flag but it is not recommended. If acquiring the lock is taking longer than expected, Terraform will output a status message. If Terraform doesn't output a message, state locking is still occurring if your backend supports it. Terraform has a force-unlock command to manually unlock the state if unlocking failed. Be very careful with this command. If you unlock the state when someone else is holding the lock it could cause multiple writers. Force unlock should only be used to unlock your own lock in the situation where automatic unlocking failed. To protect you, the force-unlock command requires a unique lock ID. Terraform will output this lock ID if unlocking fails. This lock ID acts as a nonce, ensuring that locks and unlocks target the correct lock. The other situations are not valid reasons to use the force-unlock command. You should not use the force-unlock command if you have a high priority change, if apply failed due to a state lock, or if you see a status message that you cannot acquire the lock. These situations indicate that someone else is holding the lock and you should wait for them to finish their operation or contact them to resolve the issue. Using the force-unlock command in these cases could result in data loss or inconsistency. Reference = [State Locking], [Command: force-unlock]
質問 # 70
Which command should you run to check if all code in a Terraform configuration that references multiple modules is properly formatted without making changes?
- A. terraform fmt -check
- B. terraform fmt -check -recursive
- C. terraform fmt -list -recursive
- D. terraform fmt -write-false
正解：B
解説：
This command will check if all code in a Terraform configuration that references multiple modules is properly formatted without making changes, and will return a non-zero exit code if any files need formatting. The other commands will either make changes, list the files that need formatting, or not check the modules.
質問 # 71
As a developer, you want to ensure your plugins are up to date with the latest versions. Which Terraform command should you use?
- A. terraform providers -upgrade
- B. terraform apply -upgrade
- C. terraform refresh -upgrade
- D. terraform init -upgrade
正解：D
解説：
Explanation
This command will upgrade the plugins to the latest acceptable version within the version constraints specified in the configuration. The other commands do not have an -upgrade option.
質問 # 72
You have a list of numbers that represents the number of free CPU cores on each virtual cluster:
What Terraform function could you use to select the largest number from the list?
- A. max(numcpus)
- B. ceil (numcpus)
- C. top(numcpus)
- D. hight[numcpus]
正解：A
解説：
In Terraform, the max function can be used to select the largest number from a list of numbers. The max function takes multiple arguments and returns the highest one. For the list numcpus = [18, 3, 7, 11, 2], using max(numcpus...) will return 18, which is the largest number in the list.
Reference:
Terraform documentation on max function: Terraform Functions - max
質問 # 73
Which of the following arguments are required when declaring a Terraform output?
- A. value
- B. default
- C. sensitive
- D. description
正解：A
解説：
When declaring a Terraform output, the value argument is required. Outputs are a way to extract information from Terraform-managed infrastructure, and the value argument specifies what data will be outputted. While other arguments like description and sensitive can provide additional context or security around the output, value is the only mandatory argument needed to define an output.
References = The requirement of the value argument for outputs is specified in Terraform's official documentation, which provides guidelines on defining and using outputs in Terraform configurations.
質問 # 74
Which of the following is not a benefit of adopting infrastructure as code?
- A. A Graphical User Interface
- B. Versioning
- C. Automation
- D. Reusability of code
正解：A
解説：
Infrastructure as Code (IaC) provides several benefits, including the ability to version control infrastructure, reuse code, and automate infrastructure management. However, IaC is typically associated with declarative configuration files and does not inherently provide a graphical user interface (GUI). A GUI is a feature that may be provided by specific tools or platforms built on top of IaC principles but is not a direct benefit of IaC itself1.
Reference = The benefits of IaC can be verified from the official HashiCorp documentation on "What is Infrastructure as Code with Terraform?" provided by HashiCorp Developer1.
質問 # 75
Which of the following is not a valid Terraform variable type?
- A. string
- B. array
- C. list
- D. nap
正解：B
解説：
This is not a valid Terraform variable type. The other options are valid variable types that can store different kinds of values2.
質問 # 76
You've used Terraform to deploy a virtual machine and a database. You want to replace this virtual machine instance with an identical one without affecting the database. What is the best way to achieve this using Terraform?
- A. Use the terraform apply command targeting the VM resources only
- B. Use the terraform taint command targeting the VMs then run terraform plan and terraform apply
- C. Delete the Terraform VM resources from your Terraform code then run terraform plan and terraform apply
- D. Use the terraform state rm command to remove the VM from state file
正解：B
解説：
The terraform taint command marks a resource as tainted, which means it will be destroyed and recreated on the next apply. This way, you can replace the VM instance without affecting the database or other resources. Reference = [Terraform Taint]
質問 # 77
Infrastructure as Code (laC) can be stored in a version control system along with application code.
- A. True
- B. False
正解：A
解説：
Infrastructure as Code (IaC) can indeed be stored in a version control system along with application code. This practice is a fundamental principle of modern infrastructure management, allowing teams to apply software development practices like versioning, peer review, and CI/CD to infrastructure management. Storing IaC configurations in version control facilitates collaboration, history tracking, and change management.
Reference = While this concept is a foundational aspect of IaC and is widely accepted in the industry, direct references from the HashiCorp Terraform Associate (003) study materials were not found in the provided files. However, this practice is encouraged in Terraform's best practices and various HashiCorp learning resources.
質問 # 78
Which option cannot be used to keep secrets out of Terraform configuration files?
- A. Environment variables
- B. A Terraform provider
- C. A -var flag
- D. secure string
正解：D
解説：
A secure string is not a valid option to keep secrets out of Terraform configuration files. A secure string is a feature of AWS Systems Manager Parameter Store that allows you to store sensitive data encrypted with a KMS key. However, Terraform does not support secure strings natively and requires a custom data source to retrieve them. The other options are valid ways to keep secrets out of Terraform configuration files. A Terraform provider can expose secrets as data sources that can be referenced in the configuration.
Environment variables can be used to set values for input variables that contain secrets. A -var flag can be used to pass values for input variables that contain secrets from the command line or a file. References =
[AWS Systems Manager Parameter Store], [Terraform AWS Provider Issue #55], [Terraform Providers],
[Terraform Input Variables]
質問 # 79
Which is the best way to specify a tag of v1.0.0 when referencing a module stored in Git (for example.
Git::https://example.com/vpc.git)?
- A. Append pref=v1.0.0 argument to the source path
- B. Add version = "1.0.0" parameter to module block
- C. Nothing modules stored on GitHub always default to version 1.0.0
正解：A
解説：
The best way to specify a tag of v1.0.0 when referencing a module stored in Git is to append ?ref=v1.0.0 argument to the source path. This tells Terraform to use a specific Git reference, such as a branch, tag, or commit, when fetching the module source code. For example, source = "git::https://example.com/vpc.git?ref=v1.0.0". This ensures that the module version is consistent and reproducible across different environments. Reference = [Module Sources], [Module Versions]
質問 # 80
Which of the following does terraform apply change after you approve the execution plan? (Choose two.)
- A. State file
- B. The .terraform directory
- C. Cloud infrastructure Most Voted
- D. Terraform code
- E. The execution plan
正解：A、C
解説：
The terraform apply command changes both the cloud infrastructure and the state file after you approve the execution plan. The command creates, updates, or destroys the infrastructure resources to match the configuration. It also updates the state file to reflect the new state of the infrastructure.
The .terraform directory, the execution plan, and the Terraform code are not changed by the terraform apply command. References = Command: apply and Purpose of Terraform State
質問 # 81
Which of the following should you put into the required_providers block?
- A. version >= 3.1
- B. version ~> 3.1
- C. version = ">= 3.1"
正解：C
解説：
The required_providers block is used to specify the provider versions that the configuration can work with.
The version argument accepts a version constraint string, which must be enclosed in double quotes. The version constraint string can use operators such as >=, ~>, =, etc. to specify the minimum, maximum, or exact version of the provider. For example, version = ">= 3.1" means that the configuration can work with any provider version that is 3.1 or higher. References = [Provider Requirements] and [Version Constraints]
質問 # 82
A provider configuration block is required in every Terraform configuration.
Example:
- A. True
- B. False
正解：B
解説：
A provider configuration block is not required in every Terraform configuration. A provider configuration block can be omitted if its contents would otherwise be empty. Terraform assumes an empty default configuration for any provider that is not explicitly configured. However, some providers may require some configuration arguments (such as endpoint URLs or cloud regions) before they can be used. A provider's documentation should list which configuration arguments it expects. For providers distributed on the Terraform Registry, versioned documentation is available on each provider's page, via the "Documentation" link in the provider's header1. References = [Provider Configuration]1
質問 # 83
When you include a module block in your configuration that references a module from the Terraform Registry, the "version" attribute is required.
- A. True
- B. False
正解：B
解説：
The "version" attribute is optional when referencing a module from the Terraform Registry. If not specified, the latest version will be used, but it is often recommended to specify a version to ensure consistency across environments.
Reference:
Terraform Module Versioning
質問 # 84
What feature stops multiple users from operating on the Terraform state at the same time?
- A. State locking
- B. Provider constraints
- C. Remote backends
- D. Version control
正解：A
解説：
State locking prevents other users from modifying the state file while a Terraform operation is in progress. This prevents conflicts and data loss1.
質問 # 85
Your risk management organization requires that new AWS S3 buckets must be private and encrypted at rest. How can Terraform Cloud automatically and proactively enforce this security control?
- A. With an S3 module with proper settings for buckets
- B. By adding variables to each Terraform Cloud workspace to ensure these settings are always enabled
- C. With a Sentinel policy, which runs before every apply
- D. Auditing cloud storage buckets with a vulnerability scanning tool
正解：C
解説：
The best way to automatically and proactively enforce the security control that new AWS S3 buckets must be private and encrypted at rest is with a Sentinel policy, which runs before every apply. Sentinel is a policy as code framework that allows you to define and enforce logic-based policies for your infrastructure. Terraform Cloud supports Sentinel policies for all paid tiers, and can run them before any terraform plan or terraform apply operation. You can write a Sentinel policy that checks the configuration of the S3 buckets and ensures that they have the proper settings for privacy and encryption, and then assign the policy to your Terraform Cloud organization or workspace. This way, Terraform Cloud will prevent any changes that violate the policy from being applied.
References = [Sentinel Policy Framework], [Manage Policies in Terraform Cloud], [Write and Test Sentinel Policies for Terraform]
質問 # 86
You have never used Terraform before and would like to test it out using a shared team account for a cloud provider. The shared team account already contains 15 virtual machines (VM). You develop a Terraform configuration containing one VM. perform terraform apply, and see that your VM was created successfully.
What should you do to delete the newly-created VM with Terraform?
- A. The Terraform state file contains all 16 VMs in the team account. Execute terraform destroy and select the newly-created VM.
- B. Delete the Terraform state file and execute terraform apply.
- C. The Terraform state file only contains the one new VM. Execute terraform destroy.
- D. Delete the VM using the cloud provider console and terraform apply to apply the changes to the Terraform state file.
正解：C
解説：
Explanation
This is the best way to delete the newly-created VM with Terraform, as it will only affect the resource that was created by your configuration and state file. The other options are either incorrect or inefficient.
質問 # 87
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HashiCorp Terraform-Associate-003 認定試験の出題範囲：
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