Linux+ V8 Docker and Podman Container Basics

1. Which command removes a Docker image from the system?

Docker delete

Docker rmi

Docker remove

Docker erase

2. Which tool orchestrates multiple Docker containers across systems?

Docker Swarm

Dockerfile

Docker Hub

Docker Registry

Submit

4. Which command executes a command inside a running container?

Docker exec

Docker run

Docker attach

Docker cmd

5. True or False: Podman can run containers without Docker installed.

True

False

Submit

7. Which Docker command shows detailed information about a container?

Docker info

Docker inspect

Docker describe

Docker details

8. What is the purpose of a .dockerignore file?

Prevents Docker daemon from starting

Specifies files to exclude from the build context

Stops containers automatically

Encrypts container data

9. True or False: Docker containers share the host kernel.

True

False

Submit

11. What is the primary difference between Docker and Podman?

Podman uses a daemon-less architecture while Docker requires a daemon

Docker is open-source while Podman is proprietary

Podman only works on Windows systems

Docker cannot manage multiple containers simultaneously

12. True or False: Podman containers require root privileges to run.

True

False

13. Which bridge mode is the default network driver for Docker containers?

Host

Overlay

Bridge

None

Submit

15. What command lists all running Docker containers?

Docker list

Docker ps

Docker status

Docker show

Submit

17. Which layer model does Docker use for image construction?

Single monolithic layer

Layered file system with read-only and read-write layers

Three-tier architecture

Flat binary structure

18. What does a Dockerfile contain?

Instructions to build a Docker image

Container runtime configurations only

Network settings for pods

User authentication credentials

Submit

20. Which command creates a new Docker container from an image?

Docker build

Docker run

Docker pull

Docker push

Linux+ V8 Docker and Podman Container Basics Quiz

1. Which command removes a Docker image from the system?

2.

What first name or nickname would you like us to use?

2. Which tool orchestrates multiple Docker containers across systems?

3. Container ____ isolate processes from the host and other containers.

4. Which command executes a command inside a running container?

5. True or False: Podman can run containers without Docker installed.

6. In Docker Compose, services are defined in a ____ file.

7. Which Docker command shows detailed information about a container?

8. What is the purpose of a .dockerignore file?

9. True or False: Docker containers share the host kernel.

10. A container's ____ defines environment variables and default commands.

11. What is the primary difference between Docker and Podman?

12. True or False: Podman containers require root privileges to run.

13. Which bridge mode is the default network driver for Docker containers?

14. Docker volumes provide persistent ____ for containers.

15. What command lists all running Docker containers?

16. In Podman, a ____ is a group of containers that share network namespace.

17. Which layer model does Docker use for image construction?

18. What does a Dockerfile contain?

19. A Docker ____ is a read-only template used to create containers.

20. Which command creates a new Docker container from an image?