7.9. Containerization and Virtualization

Try these first

1. 1.

   What is a Dockerfile?

   Hint

   Think about what kind of information is needed to set up an application in a container.

2. 2.

   What is the main purpose of Docker?

   Hint

   What's the advantage of having all components needed together?

3. 3.

   What is the primary role of Docker?

   • A. Managing virtual machines
   • B. Automating the deployment of applications
   • C. Creating network diagrams

   Hint

   Think about the main task Docker is built to accomplish.

4. 4.

   True or False: A virtual machine can run multiple operating systems on a single physical machine.

   Hint

   Consider how virtualization works.

5. 5.

   Design a Dockerfile for a simple Python application that requires Flask. What specific commands would you include?

   Hint

   Think about the base image, dependency installations, and application start command.

6. 6.

   Construct a scenario where using both Docker and virtual machines is beneficial for a project. What would be the specific advantages?

   Hint

   Consider projects that involve various layers of development and testing environments.