Docker Kitematic can ONLY be used to download Docker images.
- True
- False (Ans)
Services can be organized into __ with Docker Cloud.
- roles
- stacks (Ans)
- zones
- groups
Docker works the same way as virtual machines.
- False (Ans)
- True
What Docker Compose command can be used to create service images?
- docker-compose create
- docker compose
- docker-compose build (Ans)
- docker-compose make
Docker Toolbox can only be installed and run on Linux.
- False (Ans)
- True
Each instruction in a Dockerfile creates an intermediate container as the image is built.
- True (Ans)
- False
What key concepts does Docker rely on?
- Images and containers (Ans)
- Images and archives
- Images and virtual machines
- Virtual machines and LXC
Setting up communications between multiple containers always requires multiple Docker run statements to be executed.
- False (Ans)
- True
Docker volumes are persisted even after a container is deleted.
- True (Ans)
- False
Docker Cloud provides a browser-based terminal for services.
- False
- True (Ans)
You’ve run the “docker ps” command but no containers are showing. Why?
- You don’t have an image for the container.
- All containers are stopped. (Ans)
- None of these
- All containers are running.
What options are available for getting source code into Docker Containers?
- Create a custom docker image with the source code or create a data volume pointing to your dev machine (Ans)
- Use the Dockerfile “embedcode” instruction
- Create a custom container with the source code and use the “mount” command to point to your dev machine
- None of these
What command can be used to “link” a command terminal window to a Docker machine?
- docker env [machine name]
- docker-machine environment [machine name]
- docker-machine env [machine name] (Ans)
- docker rm [machine name]
What syntax can be used to delete a Docker volume and a container?
- docker rm remove-volume containerName
- docker rm -rv containerName
- docker rm volume containerName
- docker rm -v containerName (Ans)
VirtualBox is required to use Docker on Mac and Windows dev machines.
- True (Ans)
- False
Which of the following use Docker’s layered file system?
- Docker images only
- Docker containers only
- All of these
- VirtualBox
- Docker images and containers (Ans)
What syntax can be used to create a volume that Docker manages?
- docker run -v /temp:/var/temp imageName
- docker run -vol /temp:/var/temp imageName
- None of these
- docker run -v /var/www imageName (Ans)
What syntax can be used to convert a Dockerfile into an Image?
- docker run -t /tagName .
- docker create -t /tagName .
- docker convert -t /tagName .
- docker build -t /tagName . (Ans)
Which of the following tools are included in Docker Toolbox?
- Docker Client
- VirtualBox
- All of these (Ans)
- Docker Kitematic
- Docker Machine
What command can be run to download an image from Docker Hub?
- docker ps -a
- docker pull [image name] (Ans)
- docker rmi [image name]
- docker images
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