Docker and Kubernetes

Kubernetes or K8S was built by which company?

• Meta

• Apple

• Google

• Microsoft

What is the basic operational unit of Kubernetes?

• Pod

• Task

• Nodes

• Container

Which of the following are Kubernetes hosted solutions? Select all answers that apply.

• Google Compute Engine

• Google Container Engine

• Openshift Dedicated

• Amazon ECS

A Docker registry is a place to store and distribute Docker ...............?

• Codes

• Images

• Files

• All of the above

Which of the following are valid docker commands?

• docker ps

• docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

• docker images

• All of the above

What is Vagrant?

• A CI/CD tool

• Container orchestration platform

• Tool for building and managing virtual machine environments

A text document that contains all the commands needed to build an image.

• Docker.config

• Dockerfile

• DOCKER.CONF

• Docker.profile

A ConfigMap resource can be consumed by the application running in a Pod, in the following way:

• Environment variables created from ConfigMap keys

• By issuing a request to Kubernetes API within the cluster

• With files stored in the container image during image build

• With files created in configuration volume, from ConfigMap keys

What is the purpose of YAML representation of a Kubernetes resource?

• kubectl needs to parse it, and translate to use methods and attributes used by Kubernetes API

• kubectl converts YAML into JSON and sends as-is to appropriate Kubernetes API

• kubectl uploads YAML as a file to Kubernetes master, where it is parsed

What types of applications can Kubernetes run?

• Anything that can run on Linux

• backend APIs

• Batch Jobs

• Web frontend