HashiCorp Terraform Authoring and Operations Certification Exam Sample Questions

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HashiCorp Terraform Authoring and Operations Sample Questions:

01. On a shared build server, dozens of working directories each run terraform init and every one re-downloads the same provider plugins, wasting time and bandwidth.
Which setting makes Terraform reuse a single local copy of each provider across all of those directories?
a) Set the TF_PLUGIN_CACHE_DIR environment variable to a shared directory, so terraform init takes providers from that cache instead of downloading them again.
b) Enable a remote backend so the provider binaries are stored alongside remote state.
c) Run terraform init -upgrade so Terraform reuses providers already installed on the machine.
d) Commit the .terraform directory to version control so each working directory restores its plugins from the repository.
 
02. An engineer must configure an s3 backend but is forbidden from committing the bucket name and access credentials into the repository's .tf files. They still need terraform init to fully configure the backend in CI.
Which approach satisfies both requirements using Terraform's built-in backend handling?
a) Put the values in a git-ignored terraform.tfvars file, since Terraform reads tfvars when it initializes the backend
b) Reference the values from var.* inside the backend block so they resolve from TF_VAR_ environment variables at init time, letting CI inject the bucket name and credentials without committing them to any .tf file
c) Keep the complete backend block in a separate backend.tf that is git-ignored, so the settings stay out of the main files
d) Leave those arguments out of the backend "s3" {} block (a partial configuration) and supply them at init with -backend-config=backend.hcl or repeated -backend-config="KEY=VALUE" flags fed from a secret store
 
03. Without embedding static access keys in the configuration, an aws provider must assume a specific IAM role for all of its API calls. Which addition to the provider "aws" block does this?
a) An alias argument set to the name of the IAM role to be assumed.
b) A nested backend "s3" block that supplies the role_arn for remote state.
c) An assume_role block that sets the target role_arn.
d) A lifecycle block referencing the role.
 
04. In a busy CI pipeline, a long apply sometimes still holds the state lock when the next scheduled run starts, and that next run fails immediately with a lock error. The team would rather have the waiting run retry for up to two minutes before giving up.
Which option makes a run wait for a held lock instead of failing at once?
a) terraform apply -lock=false, which proceeds without taking a state lock at all
b) terraform apply -lock-timeout=120s, which retries acquiring the lock for the given duration before erroring
c) terraform force-unlock LOCK_ID to release the stale lock first, so the queued run can immediately take its own lock and proceed
d) terraform apply -parallelism=1 to serialize the run against the lock holder
 
05. You must capture verbose provider and core debug output to a file to attach to a support case, without altering the configuration. Which TWO steps together produce such a debug log file?
(Choose two.)
a) Add a logging {} block to the terraform settings block to define the level and destination.
b) Set TF_LOG_PATH to the file path where the log should be written.
c) Set TF_LOG to a verbosity level such as TRACE or DEBUG before running the command.
d) Pass a -debug flag to terraform apply so it streams detailed logs to the file.
e) Set TF_LOG_PATH on its own; Terraform writes a debug log there whenever an error occurs, regardless of TF_LOG.
 
06. A platform team connects its configuration repository to an HCP Terraform workspace so that opening a pull request automatically produces a speculative plan and merging to the default branch queues an apply. No one runs Terraform locally and nothing uploads configuration through a script.
Which run workflow does this describe, and what is its distinguishing trigger?
a) The agent-driven workflow, where a self-hosted agent polls the repository and starts a run whenever it detects a new commit.
b) The CLI-driven workflow, where runs begin from terraform plan or terraform apply executed against a workspace configured with a cloud {} block, run from a workstation or pipeline.
c) The VCS-driven workflow, where HCP Terraform watches the connected repository and queues runs from repository events such as pull requests and merges.
d) The API-driven workflow, where a configuration version is uploaded through the runs API and a run is then created explicitly against it.
 
07. During a review you run terraform providers in a configuration that calls several child modules. What does the command report?
a) A tree of the provider requirements declared by the root module and each child module.
b) The exact provider versions that init selected, together with their recorded checksums, as stored in .terraform.lock.hcl for the current platform.
c) A live check against each provider's registry for releases newer than the versions currently installed.
d) The authentication method configured for each provider block.
 
08. You want an existing local configuration to run its plans and applies in HCP Terraform using the CLI-driven workflow, so that terraform init configures HCP Terraform for remote state and runs. Which block do you add to the configuration?
a) A terraform_remote_state data source that points the working directory at the remote HCP Terraform workspace state.
b) A cloud {} block nested in the top-level terraform {} block.
c) A provider "tfe" {} block holding an organization API token, which terraform init reads to attach the workspace.
d) A backend "remote" {} block, because the cloud {} block is not supported in Terraform 1.6 and works only in self-hosted Enterprise.
 
09. An object variable may or may not include a timeout attribute. The author wants an expression that evaluates to var.config.timeout when it is present and to 30 when referencing it would raise an error.
Which expression does this correctly?
a) can(var.config.timeout, 30)
b) can(var.config.timeout)? 30: var.config.timeout
c) try(var.config.timeout, 30)
d) coalesce(var.config.timeout, 30)
 
10. A Sentinel policy forbids provisioning in non-approved regions. The team wants a violating run to be stopped, but wants a workspace admin to be able to override and proceed as a documented exception.
Which enforcement level matches this requirement?
a) override-mandatory — a level that automatically grants every user override rights on any failed policy.
b) advisory — the failing policy is surfaced only as a warning in the run output, and the run continues to apply with no override being needed at all.
c) hard-mandatory — a failing policy stops the run and can never be overridden by any user, so the apply is blocked outright in every case.
d) soft-mandatory — a failing policy stops the run, but an authorized user can override the failure and allow the apply to proceed.

Answers:

Question: 01
Answer: a		 Question: 02
Answer: d		 Question: 03
Answer: c		 Question: 04
Answer: b		 Question: 05
Answer: b, c
Question: 06
Answer: c		 Question: 07
Answer: a		 Question: 08
Answer: b		 Question: 09
Answer: c		 Question: 10
Answer: d

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