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Docker Interview Questions

If you're looking for Docker Interview Questions, you are at right place. There are lot of opportunities from many reputed companies in the world. According to research Docker has a market share of about 5.8%. So, You still have opportunity to move ahead in your career in Docker. Mindmajix offers advanced Docker Interview Questions that helps you in cracking your interview & acquire dream career.

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Q. What is Docker
Docker is a platform to run each Docker application isolated and securely. Internally it achieves it by using kernel containerization feature.

Q. What is the advantage of Docker over hypervisors?
Docker is light weight and more efficient in terms of resource uses because it uses the host underlying kernel rather than creating its own hypervisor.

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Q. What is Docker Image
Docker Image is the source of the docker container. In other words, docker images are used to create containers. It is possible create multiple isolated containers from a single image.

Q. What is Docker Container
Docker Container is the instantiation of docker image. In other words, it is the run time instance of images. Images are set of files whereas containers is the one who run the image inside isolated.

Q. Difference between Docker Image and container?
Docker container is the runtime instance of docker image.
Docker Image doesnot have a state and its state never changes as it is just set of files whereas docker container has its execution state.

 

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