Docker Foundations Professional Certificate Practice Test

The docker info command provides a comprehensive overview of the Docker installation on your system. It presents system-wide information, including details about the Docker daemon, the number of containers (both running and stopped), images, storage driver, and more. This command serves as a useful diagnostic tool, allowing users to quickly gather essential information about their Docker environment, such as the version of Docker, the number of volumes, and the orchestration system in use, if any. This broad scope of information is what sets the correct option apart from the others. While some options may reference specific components of Docker, such as running containers or network configuration, the docker info command specifically encompasses an overall snapshot of the Docker installation rather than focusing on specific operational elements. Therefore, its utility in providing a holistic view of the Docker setup makes this the correct answer.