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A team is adopting Terraform to manage infrastructure. One requirement is that all configuration changes must be reviewed and approved before being applied. The team wants to ensure that the Terraform state file reflects the actual deployed infrastructure at all times. Which practice should they implement to meet these requirements?
Storing state remotely (e.g., in S3, Azure Storage, or Terraform Cloud) enables state locking and versioning, which is essential for team collaboration. Using a version control system with pull requests ensures that all configuration changes are reviewed and approved before being…Read full explanation
An organization manages multiple environments (dev, staging, prod) using Terraform. They want to minimize code duplication while allowing environment-specific variable values. Which approach best achieves this goal?
Option D is correct because it leverages Terraform's module system to define reusable infrastructure components in a shared directory, while each environment (dev, staging, prod) has its own subdirectory with a root configuration that calls those modules and passes environment-sp…Read full explanation
A junior administrator wants to practice Terraform by deploying a single web server in AWS. They write a configuration file and run terraform init and terraform apply. The deployment succeeds but they notice the web server is not accessible from the internet. What is the most likely reason?
Option D is correct because even if the web server is deployed in a public subnet with a public IP address, the security group acts as a virtual firewall at the instance level. By default, AWS security groups block all inbound traffic. Without an explicit rule allowing inbound HT…Read full explanation
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