Docker Containerization Essentials Quiz Questions and Answers

Which interface is used by the Docker engine on the host machine?

Answer :
  • command-line

What is the use of the Dockerfile?

Answer :
  • A template used to describe the build of an image

True/False: A Docker container is an instance of an image with a specific configuration.

Answer :
  • True

How to install the Docker engine on Centos 7?

Answer :
  • yum install docker

Select the use of Union File System? (Choose two)

Answer :
  • /var/lib/podman/

Which command is used to see all running containers in Docker?

Answer :
  • docker ps

Choose the right option for the feature of Docker.

Answer :
  • Version control

True/False: Containers use one machine. All containers share the same operating system kernel so they start instantly and make more efficient use of RAM.

Answer :
  • True

Which is suitable for the lifecycle of the Docker container?

Answer :
  • A) Create a container
    B) Run Docker container
    C) Pause the container
    All of the above

Docker images can be deployed to any Docker environment.

Answer :
  • True