All interview paths
DevOps engineer interview preparation
DevOps interviews focus on operational reasoning: what happens during a deploy, how a rollout fails, and how you would find out. Tool familiarity is table stakes — the differentiator is being able to describe failure modes and recovery.
5 stages · 450 practice questions
- 1
Docker
90 questionsImages, layers, build caching and the difference between a container and a VM.
- 2
Kubernetes
90 questionsPods, services, deployments and how rollouts and health checks actually behave.
- 3
Git
90 questionsBranching strategy and history rewriting underpin every CI/CD discussion.
- 4
Node.js
90 questionsUseful for tooling and for understanding how the services you operate behave under load.
- 5
SQL
90 questionsMigrations, backups and query performance are operational concerns as much as development ones.