Docker Interview Questions and Answers 100% Pass

Docker Interview Questions and Answers 100% Pass What is a hypervisor? - Answer️️ -software that creates and manages a virtual machine on a host machine What is virtualization? - Answer️️ -Abstracts physical resources into logical resources What is containerization? - Answer️️ -Containerization is when you wrap together all configuration files and dependencies that an application requires. Virtualization vs containerization - Answer️️ -Containers provide an isolated environment for running the application (the entire user space is dedicated to the application). In virtualization, an entire VM is provided to the guest (including kernal). What is Docker? - Answer️️ -A containerization platform which packages your application and all its dependencies together in the form of containers. What is a docker container? - Answer️️ -Docker containers include the application and all of its dependencies. It shares the kernal with other containers, running as isolated processes in user space on the host operating system. What is docker hub? - Answer️️ -It is the registry where images are stored. Docker Architecture? - Answer️️ -1. A server which is a type of long running daemon process. 2. A REST API which specifies interfaces that programs can use to talk to the daemon 3. a CLI client 4. The CLI uses the REST API to control or interact with the Docker daemon