Docker Certified Associate Certification Training Course - Demo - Change Storage Driver

The video tutorial explains how to manage Docker storage drivers, focusing on the default overlay2 driver and the deprecated device mapper. It covers how to check the current driver using the Docker Info command, modify the driver settings by editing the daemon.json file, and restart the Docker service to apply changes. The tutorial emphasizes the importance of using recommended drivers and provides step-by-step instructions for stopping Docker, editing configuration files, and validating changes.

What command can you use to find out which storage driver Docker is currently using?

• docker info

• docker ps

• docker start

• docker run

Which storage driver is the default and recommended one for Docker?

• device mapper

• overlay2

• aufs

• btrfs

What is the first step in changing the Docker storage driver?

• Run the docker info command

• Restart the Docker service

• Edit the daemon.json file

• Stop the Docker service

Where are Docker's configuration files typically located?

• /usr/local/docker

• /opt/docker

• /var/lib/docker

• /etc/docker

What format should the configuration in the daemon.json file be?

• XML

• YAML

• Plain text

• JSON

Which storage driver is deprecated and should not be used in future releases?

• device mapper

• aufs

• btrfs

• overlay2

What is the purpose of the daemon.json file in Docker?

• To list Docker networks

• To run Docker containers

• To configure Docker settings

• To store Docker images