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. 1

    Docker

    90 questions

    Images, layers, build caching and the difference between a container and a VM.

  2. 2

    Kubernetes

    90 questions

    Pods, services, deployments and how rollouts and health checks actually behave.

  3. 3

    Git

    90 questions

    Branching strategy and history rewriting underpin every CI/CD discussion.

  4. 4

    Node.js

    90 questions

    Useful for tooling and for understanding how the services you operate behave under load.

  5. 5

    SQL

    90 questions

    Migrations, backups and query performance are operational concerns as much as development ones.