FromCodeToCloud ✓

[image] I collected 50 real scenario-based DevOps interview questions from: - Interviews in my organization - DevOps engineers in my network - Friends working in DevOps - People who shared their interview experiences on LinkedIn If you're preparing for DevOps roles, this will help. I

[image] 🚨 I have a PDF with DevOps interview questions collected from a LinkedIn follower who attended multiple interviews for fresher DevOps roles. I’ll share it via dm who ever request. I dont want to share it publicly as it is somebody else work Note : He got the job

[image] Kubernetes resources in one-liners: > Kubernetes Pod runs your app container > Deployments keeps your app running and updates it safely > Service gives a stable way to access your app > Ingress exposes your app to the internet > ConfigMap stores app configuration > Secret

[image] Ingress in Kubernetes is like a traffic manager for your cluster. 📌 Simple meaning: •Pods and Services run your apps, but they are inside the cluster. •If you want users to access them from the internet, you need a way to expose them. •That’s where Ingress comes in → it

[image] Interviewer asks ; "What’s the difference between HPA and VPA in Kubernetes?" If your answer is just: • HPA = scales horizontally • VPA = scales vertically You are only 50% right. Here is the real difference: 🟦 HPA (Horizontal Pod Autoscaler) Think: "The Traffic Cop" •

[image] AWS Security Groups vs NACLs . A lot of people confuse these two. Here’s the clean way to see it: Security Groups → Works at instance level → Stateful (auto allows return traffic) → Only allow rules (no deny) → More flexible, used daily NACLs (Network ACLs) →

[image] HPA vs VPA in Kubernetes Your app gets a sudden traffic spike at night CPU shoots to 90% HPA: 3 pods → 10 pods Traffic spreads, no downtime VPA: Same 3 pods get more CPU/memory Pods may restart to apply changes What I’ve seen in real setups: - HPA for APIs and user traffic -