Question 1: Which command is used to create and start a container from an image?

docker create

docker run

docker start

docker launch

Question 2: What is the purpose of a Dockerfile?

To store Docker images

To run Docker containers

To define how to build an image

To manage Docker networks

Question 3: Which command shows all running containers?

docker ps

docker ls

docker list

docker show

Question 4: What is Docker Compose used for?

To build single containers

To define and run multi-container applications

To store Docker images

To scan Docker images for vulnerabilities

Question 5: Which of these is NOT a valid Dockerfile instruction?

FROM

RUN

EXECUTE

COPY

Question 6: The command to remove a Docker image is: docker _____

Question 7: The Dockerfile instruction to set environment variables is: _______

Question 8: To expose a port in a Dockerfile, use the _______ instruction

Question 9: The file that defines Docker Compose services is typically named: docker-compose._____

Question 10: To specify the base image in a Dockerfile, use the ______ instruction

🐳 Docker Master Quiz