Docker Quiz

Containers running on a single machine all share the same operating system kernel, so they start instantly and make more efficient use of RAM

• TRUE

• FALSE

Each virtual machine includes the application, the necessary binaries and libraries, and an entire guest operating system - All of which may be tens of GBs in size.

• TRUE

• FALSE

Do virtual Machines run on top of?

• Kernal

• Operating System

• Hypervisor

Do containers run on top of?

• Docker Engine

• Hypervisor

• Kernal

Running instance of an image is called?

• Container

• Registry

• Daemon

New images are pulled from?

• Container

• Registry

• Hypervisor

• OS

Docker is?

• A Layer on top of OS

• Similar to virtual machine

• Another name for containers

• Runtime environment for containers

________is a text document that contains all the commands a user could call on the command line to assemble an image.

• Docker Compose

• Docker Hub

• Docker File

docker build –t myuser/repo_name:version is the command for what?

• Running a docker container

• Building an image

• Listing the images

Which command is used for fetching the list of running containers

• docker ps

• docker images

• docker ps -a