DevOps Interview Questions and Answers
Ques 21. Explain the term 'Immutable Infrastructure.'
Immutable Infrastructure is an approach where once an infrastructure component is deployed, it is never modified. Any change results in a new deployment, enhancing consistency and reliability.
Ques 22. What is the role of a Build Artifact in a CI/CD pipeline?
A Build Artifact is a deployable component generated by the build process. It can include compiled code, libraries, and other files needed for deployment.
Ques 23. How does Blue-Green Deployment contribute to high availability?
Blue-Green Deployment allows for a seamless switch between environments. In case of issues in the new version (Green), reverting to the previous version (Blue) is quick, minimizing downtime.
Ques 24. What is the purpose of a Package Manager in DevOps?
A Package Manager automates the process of installing, updating, and managing software packages. It helps in managing dependencies and ensuring consistency across environments.
Ques 25. Explain the concept of 'Infrastructure as Code' (IaC) tool Ansible.
Ansible is an open-source automation tool that automates configuration management, application deployment, and task automation. It uses a simple, human-readable language.
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