Deloitte DevOps Interview Guide
Evidence-backed preparation playbook for Deloitte DevOps interviews. 14 reported questions, top topics, difficulty breakdown, and a free assessment.
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Top Questions — Ranked by Community Votes
These 6 questions appeared most in Deloitte DevOps reports. Master these first.
Describe the complete CI/CD pipeline you have implemented in your projects. Walk through every stage from code commit to production deployment, including linting, unit tests, build, artifact storage, staging deploy, integration tests, and release gates.
If a critical issue is found in production, what steps would you take to resolve it quickly? Walk through: immediate triage, deciding between hotfix vs rollback, creating a hotfix branch, fast-track CI pipeline, communication protocol, and post-mortem.
What is the difference between ENTRYPOINT and CMD in Docker? Explain with examples how they interact when both are specified, and how CMD can be overridden at runtime while ENTRYPOINT cannot easily be replaced.
What are the key steps involved in building a Docker image? Explain each Dockerfile instruction (FROM, RUN, COPY, WORKDIR, EXPOSE, CMD), multi-stage builds for smaller images, layer caching best practices, and how to scan images for vulnerabilities.
What stages do you generally include in a Jenkins pipeline to ensure code quality? Walk through each stage: checkout, static analysis (SonarQube/ESLint), unit tests with coverage thresholds, security scanning, build, and artifact publishing.
Explain the difference between Declarative and Scripted pipelines in Jenkins. When would you choose one over the other? Show a code snippet illustrating the structural difference.