AWS provider Practice Test 8 — 10 Questions

Question 1

Where can you view the historical state versions in HCP Terraform?

Accepted Answer

The States tab. The 'States' tab within a specific workspace shows the full history of state versions.

Answer

The Variables tab

Answer

The Runs tab

Answer

The Settings tab

Question 2

Which THREE of the following represent potential pitfalls when using 'count'?

Accepted Answer

Inability to use string keys for identification. Issues include index shifts during item removal, inability to use map keys for identification, and rigid structure for varying configurations.

Answer

Performance issues with large collections

Answer

Type mismatch errors

Question 3

Which file stores the mapping between your Terraform configuration and the real-world infrastructure?

Accepted Answer

terraform.tfstate. The state file (terraform.tfstate) is the primary location for this mapping.

Answer

terraform.tfvars

Answer

provider.tf

Answer

backend.tf

Question 4

You are creating a security group in AWS and need to define multiple ingress rules based on a list of port numbers. Which meta-argument is most appropriate to use to create one resource instance per port?

Accepted Answer

for_each. The count meta-argument creates multiple instances based on an integer, while for_each is designed for sets or maps, making it the idiomatic choice for collections like lists of port numbers.

Answer

instance_count

Answer

count

Answer

dynamic

Question 5

How can you debug the output of a complex 'for' expression in Terraform?

Accepted Answer

Use terraform console. The 'terraform console' command is the standard way to interactively evaluate HCL expressions and debug complex transformations.

Answer

Check the state file

Answer

Use terraform plan

Answer

Use terraform debug

Question 6

You have a list of objects representing AWS tags. You need to transform this list into a map for use with a for_each argument. Which function should you use?

Accepted Answer

for expression. The for expression is the primary tool for transforming collections, allowing you to iterate over a list and produce a map.

Answer

tolist()

Answer

flatten()

Answer

merge()

Question 7

Which TWO of the following accurately describe the behavior of 'terraform state rm'?

Accepted Answer

It stops Terraform from tracking the resource.. It removes the item from the state but leaves the actual infrastructure in place.

Answer

It requires the 'force' flag for all resources.

Answer

It is a permanent action that cannot be undone.

Answer

It destroys the infrastructure in the cloud.

Question 8

If a resource is not specified with a provider meta-argument, which provider instance does it use?

Accepted Answer

The provider configuration without an alias.. It defaults to the instance of that provider without an alias.

Answer

The first one defined.

Answer

The one with the latest version.

Answer

It causes an error.

Question 9

You are using HCP Terraform agents. Why would you choose to use an agent instead of the public HCP Terraform execution environment?

Accepted Answer

To access resources in a private network. Agents allow Terraform to run in a private network, accessing resources that are not reachable from the public internet.

Answer

To increase execution speed

Answer

To bypass OPA policies

Answer

To avoid paying for HCP Terraform

Question 10

You have a team-based collaboration project. Where should you store sensitive credentials like AWS secret keys so they are not hardcoded in your Terraform files?

Accepted Answer

In environment variables marked as 'sensitive'. HCP Terraform variables marked as 'sensitive' are stored securely and never displayed in the UI.

Answer

In a .tfvars file

Answer

In a version-controlled .env file

Answer

In the state file