Docker and Kubernetes - Day-1

The language used to write Dockerfile is:

• None of them

• JSON

• XML

• YAML

Docker is written in programming language:

• C++

• JavaScript

• Go

• Scala

A container is:

• An instance of docker image

• a process bound by Linux Primitives

• an isolated space in Linux Primitives

• an unified way to ship software

The isolation between processes in Linux is achieved through:

• cgroups

• namespaces

• Linux Primitives

• security groups

How do you map a host port to the container port?

• docker run -it image:5000

• docker run -p 5000:5000 image:5000

• docker run --expose 5000:5000 image:5000

• None of them are correct

The command to show the logs from docker container is:

• docker log <containerName>

• docker logs -t <containerName>

• docker logs <containerName>

• docker log -t <containerName>

The containers run on top of:

• Docker Engine

• Kernel

• Hypervisor

• Docker image

Docker command use to create and start a container is:

• docker exec

• docker start

• docker create

• docker run

The standards around container formats and runtimes is:

• Container runtime

• Open Container Specification

• Cloud Native Container Specification

• Open Container Initiative

Which of the following is a valid Dockerfile instruction?

• ENTRY

• RUN

• EXEC

• BUILD