Question Bank

How does Docker run on Windows and MacOS if it requires a Linux kernel?

Virtual machines provide stronger isolation than Docker containers because they have separate kernels and OS instances.

How do Docker containers differ from hypervisor VMs in terms of resource efficiency?

What happens when you run a container with `docker run myimage arg1 arg2` if the Dockerfile has `ENTRYPOINT ["python", "app.py"]`?

What is the relationship between dockerd and containerd?

What is the goal of the runC project?

Which network driver would you use for Docker Swarm to enable communication between containers on different hosts?

Which network driver would you use for legacy applications that expect to be directly connected to the physical network?

Which of the following are types of namespaces used by Docker? (Select all that apply)

Which Linux kernel features are essential for Docker's core functionality? (Select all that apply)

Which of the following security features does Docker provide? (Select all that apply)

What are valid reasons to prefer Docker over traditional VMs? (Select all that apply)

What must be true to remove a Docker image?

What roles can middleware play in a microservices setup? (Select all that apply)

What are soft deletes in TypeORM?

What are custom providers in NestJS?

What is the key difference between interceptors and middleware in NestJS?

What is the difference between authentication and authorization?

What is the difference between Providers and Services in NestJS?

What is the purpose of Docker Compose in a NestJS application?