Docker Crash Course Quiz

What problem does Docker solve in software development and deployment process?

• A. It makes developing and deploying applications very difficult

• B. It standardizes the process of running services on local development environment

• C. It increases the size of application packages

• D. It requires manual installation of services on the server

What is the main advantage of Docker over virtual machines in terms of size?

• C. Docker images and virtual machine images have the same size

• B. Docker images are smaller than virtual machine images

• A. Docker images are larger than virtual machine images

• D. Docker images are more complex than virtual machine images

How does Docker virtualize the operating system compared to virtual machines?

• D. Docker virtualizes the kernel layer

• A. Docker virtualizes the complete operating system

• B. Docker virtualizes the hardware components

• C. Docker virtualizes the applications layer and uses the host kernel

What is the main advantage of Docker over virtual machines in terms of startup time?

• A. Docker containers start up in a few minutes

• B. Docker containers start up in a few milliseconds

• C. Virtual machines start up in a few milliseconds

• D. Virtual machines start up in a few minutes

What is the compatibility issue with running Docker containers on Windows or Mac OS?

• A. Docker containers cannot run on Windows or Mac OS

• B. Docker containers can only run on Linux operating systems

• C. Docker containers cannot use the host kernel

• D. Docker containers cannot run Linux based images on Windows or Mac OS directly

What did Docker develop to make it possible to run Linux based containers on Windows and Mac computers?

• C. Docker Hub

• B. Docker Desktop

• A. Docker Engine

• D. Docker Registry

What is the main benefit of using Docker in the deployment process?

• C. It simplifies the deployment process for operations team

• A. It increases the chance of miscommunication between development and operations teams

• D. It requires manual configuration of services on the server

• B. It reduces the size of application packages

What is the main benefit of using Docker in the local development environment?

• D. It slows down the startup time of applications

• C. It increases the disk space required for development

• B. It standardizes the process of running services on the local development environment

• A. It makes setting up the local development environment more complex