DevOps Infrastructure as Code

Question 1

What is Infrastructure as Code (IaC)?

Accepted Answer

Managing and provisioning infrastructure through machine-readable configuration files

Answer

Writing application code that runs on cloud infrastructure

Answer

Using scripts to manually configure servers after provisioning

Answer

Documenting infrastructure architecture in code comments

Question 2

Which IaC tool uses a declarative language called HCL (HashiCorp Configuration Language)?

Accepted Answer

Terraform

Answer

Ansible

Answer

Chef

Answer

Puppet

Question 3

What does `terraform init` do?

Accepted Answer

Initializes a Terraform working directory and downloads provider plugins

Answer

Creates an execution plan showing infrastructure changes

Answer

Applies the Terraform configuration to provision resources

Answer

Destroys all infrastructure managed by the configuration

Question 4

What is Terraform 'state'?

Accepted Answer

A file that tracks the current real-world resources managed by Terraform

Answer

The desired configuration declared in .tf files

Answer

A log of all previous Terraform operations

Answer

The current running status of provisioned VMs

Question 5

What is the purpose of `terraform plan`?

Accepted Answer

Shows what changes Terraform will make without actually applying them

Answer

Validates the syntax of Terraform configuration files

Answer

Initializes the Terraform backend and providers

Answer

Locks the state file to prevent concurrent modifications

Question 6

What is Ansible primarily used for in a DevOps workflow?

Accepted Answer

Configuration management and application deployment using agentless SSH

Answer

Provisioning cloud infrastructure through declarative state files

Answer

Orchestrating container workloads across a Kubernetes cluster

Answer

Monitoring infrastructure health and sending alerts