DevOps Engineer interview question
What is the difference between containers and virtual machines?
Show practical understanding of isolation, kernel sharing, density, and operational trade-offs.
A useful answer structure
Answer from your own work.
- 01Start with a precise definition and the constraint it solves.
- 02Explain how isolation, kernel sharing, density, and operational trade-offs changes your implementation or decision.
- 03Finish with a production example, risk, or verification signal.
Do not memorise a script: use only examples you can explain honestly in follow-up questions.
Practise this answer with MiraHelp
Download MiraHelpOpen the desktop workspace and rehearse a clear answer in your own words.