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Terraform Fundamentals Questions

Foundational knowledge of HashiCorp Terraform and infrastructure as code practices. Topics include the HashiCorp configuration language, providers and resources, variables and outputs, data sources, module design and code organization, state file concepts and state management including local and remote backends, handling sensitive data and secrets, common interpolation and conditional patterns, and writing reusable modules for multi tier applications networking and databases. Candidates should understand best practices for state locking remote state storage and how to structure Terraform for collaboration and safe deployments.

EasyTechnical
12 practiced
A teammate hands you a Terraform file that provisions a new environment from scratch. Before it can be applied to a shared cloud account, what would you review in the provider configuration, resource definitions, variables, and outputs to make sure the configuration is readable, parameterized, and not hiding risky assumptions?
HardSystem Design
16 practiced
You are asked to build a reusable Terraform module for a three-tier application that includes networking, application compute, and a managed database. How would you split responsibilities between modules, and what would you expose so another team can compose it safely?
MediumTechnical
15 practiced
You need one module to create a resource only when a feature flag is enabled, and also create one related object per item in a caller-provided list. How would you keep that configuration maintainable as the list grows or changes order over time?
EasyTechnical
17 practiced
Your application module needs to attach to a VPC and subnets that were created by a separate team. How would you consume that existing infrastructure in Terraform, and what would you check to make sure the module fails loudly if the network layout is not what you expect?
HardTechnical
15 practiced
Before a production apply, what review and automation guardrails would you put around the Terraform workflow so an engineer can catch unexpected destroys or replacements before they reach users?

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