Automation, Containerization/Docker Interview: 14 Questions You Should Be Prepared To Answer

This is a list of awesome Containerization/Docker Interview Questions for Testers. These are shared with in one of our groups. Please email us at i.m@fullstackqe.org, we will give the credit to the awesome person who prepared this list.

Q1. What are containers?

Q2. What are the advantages that Containerization provides over virtualization?

Q3. How exactly are containers (Docker) different from hypervisor virtualization (vSphere)? What are the benefits?

Q4. What is Docker image?

Q5. What is Docker container? How it is created?

Q6. What is Docker hub?

Q7. How is Docker different from other container technologies?

Q8. What is Docker Swarm?

Q9. What is Dockerfile used for?

Q10. Can I use json instead of yaml for my compose file in Docker?

Q11. How to create Docker container?

Q12. How to stop and restart the Docker container?

Q13. How far do Docker containers scale?

Q14. What platforms does Docker run on?