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DevOps Interview Questions
Interview Question & Answers of DevOps Tools Like GIT, Jenkins, Docker, Kubernetes, Terraform, Ansible | Real Time Scenario Based Interview Question & Answers
You’re building a real-time chat app, and the architect suggests using Apache Kafka. How would you explain Kafka’s role and how it helps in this case?
If we’re building a real-time chat application and the architect suggests using Apache Kafka, I would explain that Kafka acts as a...
Preethi Dovala
Jun 12, 20251 min read
If You have 20 pods running a microservices app, and your manager asks for a live dashboard showing CPU/memory usage of each pod. How do you make this available in Grafana?
If I have 20 pods running a microservices application and my manager asks for a live dashboard showing the CPU and memory usage of each...
Preethi Dovala
Jun 12, 20251 min read
Your team wants to monitor the health and performance of the Kubernetes cluster. What exact steps would you take to set up Prometheus and Grafana for this purpose?
To monitor the health and performance of a Kubernetes cluster, I would set up Prometheus and Grafana together, since they are a powerful...
Preethi Dovala
Jun 12, 20251 min read
if You're getting alerts about high resource usage in your cluster. How would you check which worker node is under the heaviest load?
If I’m getting alerts about high resource usage in the cluster, the first thing I do is check the overall resource consumption at the...
Preethi Dovala
Jun 12, 20251 min read
Imagine your application is slowing down, and you suspect a pod is using excessive CPU or memory. How would you identify the problematic pod across multiple nodes in the cluster?
If I suspect that an application is slowing down because one of the pods is consuming excessive CPU or memory, I start by using the...
Preethi Dovala
Jun 12, 20251 min read
You’ve been given a ConfigMap file and asked to pass some sensitive database credentials to your pods. How would you handle this without exposing the secrets in plain text?
If I’m asked to pass sensitive database credentials like a username and password to a pod, I wouldn’t use a ConfigMap because ConfigMaps...
Preethi Dovala
Jun 12, 20251 min read
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