Automation Tools & Infrastructure as Code Flashcards

What is the primary advantage of using Terraform modules?

Answer: They enable reuse of infrastructure configuration across projects

Terraform modules package and reuse infrastructure configuration, allowing teams to standardize common patterns across multiple projects.

In Kubernetes, what does a Helm chart provide?

Answer: A package of pre-configured Kubernetes resources

A Helm chart is a collection of files that describe a related set of Kubernetes resources, functioning as a package manager for Kubernetes.

Which concept describes automatically fixing infrastructure that has drifted from its desired state?

Answer: Self-healing

Self-healing systems automatically detect and correct deviations from the desired state without manual intervention.

What is 'configuration drift' in an IaC context?

Answer: When actual infrastructure state diverges from the defined configuration

Configuration drift occurs when the actual state of infrastructure diverges from what is defined in the IaC configuration, often due to manual changes.

In Chef, what is a 'cookbook'?

Answer: A fundamental unit of configuration containing recipes and resources

A Chef cookbook is the fundamental unit of configuration and policy distribution, containing recipes, attributes, and other files needed to configure a system.

Which approach does Puppet use to define infrastructure configuration?

Answer: Declarative manifests describing desired state

Puppet uses declarative manifests written in Puppet DSL to describe the desired state of a system, letting Puppet determine how to achieve it.

What is the role of a CI/CD pipeline in an IaC workflow?

Answer: It automates testing and deployment of infrastructure changes

CI/CD pipelines automate the testing, validation, and deployment of infrastructure code changes, ensuring quality and consistency.