The latest articles on DEV Community by Iragani Vamsi sai (@iragani_vamsisai_5a349cc). https://dev.to/iragani_vamsisai_5a349cc https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3422963%2Ff9f7f9a1-ea39-4592-9dfa-b9f886d323ac.png https://dev.to/iragani_vamsisai_5a349cc en Iragani Vamsi sai Sat, 09 Aug 2025 04:03:56 +0000 https://dev.to/iragani_vamsisai_5a349cc/i-recently-attended-a-devops-interview-here-are-the-questions-they-asked-me-3k25 https://dev.to/iragani_vamsisai_5a349cc/i-recently-attended-a-devops-interview-here-are-the-questions-they-asked-me-3k25 <p>💼 1. What is your role in your project?<br> 🌐 2. What is VPC Peering and how does it work?<br> 🧾 3. Write Terraform code to create 5 EC2 instances with different names and sizes.<br> 👥 4. How to check the last 5 users who logged into a Linux system?<br> 🐳 5. What is a multi-stage Dockerfile? Can we use the second stage as the first?<br> 🌍 6. How does an application communicate with the outside world?<br> 🔁 7. A pod is in CrashLoopBackOff. How do you troubleshoot it?<br> 🔧 8. What are the types of services in Kubernetes?<br> 🧠 9. What is a headless service in Kubernetes?<br> ⚙️ 10. Write a Dockerfile for a ReactJS application.<br> 📉 11. In a Kubernetes cluster, one ReplicaSet is not working. How do you debug it?<br> 🖥️ 12. How to check CPU usage of a system?<br> ☁️ 13. What AWS services are used in your project?<br> 🚀 14. What are the CI/CD steps while developing?<br> 🔄 15. Write a CI/CD pipeline to build and push a Node.js app image to Docker Hub.<br> These weren’t just theory — they tested real-world knowledge of Terraform, Kubernetes, Docker, AWS, and CI/CD 🛠️<br> 👉 Hope this helps anyone preparing for DevOps interviews.<br> 🔁 Have you faced similar questions? Share them below — let’s help each other grow.</p>