Docker Certified Associate Certification Training Course - Summary - Build, Manage, and Distribute Images

The video tutorial covers Docker image management, including the structure of Docker images with base and writable layers. It explains accessing and pushing images to Docker Hub, managing images by listing them and understanding their columns, and various Docker image commands like build, history, and import. The tutorial concludes with an overview of Dockerfile directives such as run, copy, and CMD.

What is the structure of a Docker image?

• A single writable layer

• Only readonly layers

• Multiple writable layers

• A base readonly layer and a writable top layer

Why can't you pull or tag an image named 'scratch'?

• It is a deprecated feature

• It is a base image with no content

• It is not a valid image name

• It is a reserved keyword

What is Docker Hub used for?

• To monitor Docker performance

• To run Docker containers

• To store and access Docker images

• To build Docker images

Which command is used to view the history of a Docker image?

• docker image build

• docker image list

• docker image import

• docker image history

Which of the following is a Dockerfile directive?

• SETUP

• RUN

• EXEC

• INSTALL