Question Bank

It is recommended to use COPY for most cases where you want to copy local files into the Docker image.

What is a hypervisor?

What are cgroups (Control Groups) in Docker?

What is runC in the Docker architecture?

What does the MACVLAN network driver allow in Docker?

Docker requires a Linux kernel to function, even on Windows and MacOS.

What is the role of containerd in the Docker architecture?

When a container is forcefully killed using docker kill, data changes that weren't written to a volume or bind mount might be lost.

Data in Docker volumes persists beyond the container's lifecycle and can be accessed by other containers even after the original container is removed.

cgroups can limit CPU usage, memory usage, and disk I/O for Docker containers.

The ENTRYPOINT instruction in a Dockerfile can be easily overridden by command-line arguments.

The CMD instruction in a Dockerfile can be overridden by providing a command to the docker run command.

Docker images can be shared on Docker Hub, but containers cannot be shared directly.

Which of the following are use cases where Docker provides value? (Select all that apply)

Which of the following are examples of Type 2 (Hosted) hypervisors? (Select all that apply)

Which of the following are benefits of using Docker in organizations? (Select all that apply)

Which of the following are Docker network drivers? (Select all that apply)

Which of the following are benefits of Docker for DevOps practices? (Select all that apply)

Which of the following are design principles of runC? (Select all that apply)

Which of the following Docker objects does the Docker daemon manage? (Select all that apply)