DevOps is one of the most in-demand IT roles in India, with companies across startups, MNCs, and product firms actively hiring DevOps Engineers, SREs, and Cloud Specialists.

Whether you're a fresher entering DevOps or an experienced professional switching role, these Top 25 DevOps Interview Questions in India will help you prepare confidently for technical and practical interviews.

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✅ Top 25 DevOps Interview Questions in India (With Answers)

1. What is DevOps?

Answer:
DevOps is a set of practices that combines software development (Dev) and IT operations (Ops) to shorten the development lifecycle and deliver high-quality software continuously through automation, collaboration, and monitoring.

2. Why is DevOps important in India’s IT industry?

Answer:
India’s IT industry serves global clients and needs faster delivery, scalability, and cost-efficiency. DevOps enables continuous delivery, faster releases, improved quality, and better collaboration across teams.

3. What are the key DevOps tools?

Answer:
Some commonly used DevOps tools in India include:

Git / GitHub / GitLab
Jenkins
Docker
Kubernetes
Terraform
Ansible
AWS / Azure / GCP
Prometheus & Grafana

4. What is CI/CD?

Answer:
CI/CD stands for:

CI (Continuous Integration): Automatically testing and integrating code changes.
CD (Continuous Delivery/Deployment): Automatically releasing tested code to production.

5. What is Docker?

Answer:
Docker is a containerization platform that packages applications and their dependencies into containers so they run consistently across different environments.

6. What is Kubernetes?

Answer:
Kubernetes is an open-source container orchestration platform used to automate deployment, scaling, and management of containerized applications.

7. Difference between Docker and Kubernetes?

Answer:

Docker creates and manages containers
Kubernetes manages and orchestrates containers at scale

8. What is Infrastructure as Code (IaC)?

Answer:
IaC is managing infrastructure using code instead of manual processes. Tools like Terraform and CloudFormation help automate server provisioning.

9. What is Terraform used for?

Answer:
Terraform is used to build, change, and version infrastructure safely using configuration files.

10. What is Ansible?

Answer:
Ansible is a configuration management and automation tool used for deploying applications, managing systems, and orchestrating workflows.

11. What is a pipeline in DevOps?

Answer:
A pipeline is a sequence of automated steps that code goes through from development to production.

12. What is Git and why is it important?

Answer:
Git is a version control system that tracks changes in code and enables collaboration among developers.

13. What is monitoring in DevOps?

Answer:
Monitoring ensures system health, performance, and availability using tools like Prometheus, Grafana, ELK stack.

14. What is Blue-Green Deployment?

Answer:
A deployment strategy where two environments (blue and green) are maintained so traffic can switch without downtime.

15. What is Canary Deployment?

Answer:
Deploying a new version to a small group of users before rolling it out fully.

16. What is a microservices architecture?

Answer:
An architecture where applications are broken into smaller independent services that communicate via APIs.

17. What is load balancing?

Answer:
Distributing traffic across multiple servers to improve reliability and performance.

18. What is cloud computing?

Answer:
Delivering computing services like servers, storage, databases, and networking over the internet.

19. What is AWS and why is it popular in India?

Answer:
AWS (Amazon Web Services) is a cloud platform widely used in India for scalable, pay-as-you-go infrastructure.

20. What is a container?

Answer:
A lightweight, standalone package containing software and all its dependencies.

21. What is SRE?

Answer:
Site Reliability Engineering focuses on reliability, scalability, and performance using software engineering principles.

22. Difference between DevOps and Agile?

Answer:
Agile focuses on development speed and flexibility, while DevOps focuses on deployment, operations, and automation.

23. What is YAML used for?

Answer:
YAML is used to define configuration files in Kubernetes, CI/CD pipelines, and automation tools.

24. What skills are needed for DevOps roles in India?