A. BASE B. FROM C. START D. IMAGE

A. They are identical instructions B. RUN executes commands at build time; CMD provides the default command for the running container C. CMD executes at build time; RUN provides the default runtime command D. RUN is only for Linux; CMD works on all platforms

A. Opens a port on the host machine automatically B. Documents which network port the container listens on at runtime C. Maps a host port to the container port D. Blocks all ports except the one specified

A. To ignore specific Docker CLI commands B. To exclude files and directories from the build context sent to the Docker daemon C. To disable Docker networking for a container D. To ignore Docker Hub registry authentication

A. Setting runtime environment variables B. Defining the executable that always runs when the container starts C. Copying files from the host into the image D. Exposing container ports to the host