ITGSS Certified DevOps Engineer Practice Test 2026 - Free DevOps Practice Questions and Exam Preparation Guide

Infrastructure as Code (IaC) is defined as the practice of managing and provisioning computing infrastructure through machine-readable scripts. This approach allows developers and operations teams to automate the configuration and deployment of infrastructure in a consistent and predictable manner. By using code to manage infrastructure, teams can version control changes, easily replicate environments, and enhance collaboration among different stakeholders.

IaC leverages the same principles as software development, providing a framework in which infrastructure can be treated like application code. This means that configurations can be tested, shared, and reused, leading to improved efficiency and reduced risk of human error. The automation aspect significantly accelerates the deployment process, enabling teams to respond more swiftly to changing business needs and reducing downtime.

In contrast, other options misrepresent the core concept of IaC. For example, while designing architectural models and creating physical hardware setups may involve technical aspects, they do not encapsulate the coding and automation focus that IaC stands for. Developing user interface scripts pertains more to the front-end development side of applications, which is distinct from infrastructure management. Thus, option A accurately encapsulates the essence of Infrastructure as Code.