Docker Basics Quiz

What is Docker primarily used for?

• Building software frameworks

• Developing programming languages

• Managing virtual machines

• Creating and managing containers

Which of the following is a major benefit of using containers over virtual machines?

• Containers cannot be moved between environments

• Containers require a full OS for each instance

• Containers are slower to start

• Containers share a single OS among multiple instances

What does the term 'Docker Image' refer to?

• A type of server used for hosting applications

• A running instance of a container

• A virtual machine template

• A read-only template used to create containers

Who founded Docker, Inc.?

• Mark Zuckerberg

• Elon Musk

• Solomon Hykes

• Linus Torvalds

What is the primary function of Docker Hub?

• To create virtual machines

• To store and share Docker images

• To develop programming languages

• To manage server hardware

What is a key characteristic of Docker containers?

• They are lightweight and portable

• They cannot share resources

• They require a dedicated OS for each instance

• They are slower than virtual machines

What is the purpose of Docker Volumes?

• To manage server resources

• To create new Docker images

• To persist data generated by containers

• To run multiple applications simultaneously

Which of the following statements is true about Docker images?

• They cannot be shared between different environments

• They are ephemeral and disappear when a container is removed

• They are read-only templates used to create containers

• They require a full operating system

What does the Docker Client do?

• It creates Docker images

• It hosts containerized applications

• It directs the server on what tasks to perform

• It manages server hardware

What is a significant drawback of virtual machines compared to containers?

• VMs require less storage

• VMs are more portable

• VMs are faster to start

• VMs need a dedicated OS for each instance