Kubernetes Essentials 1

Docker main mechanisms are (multiple choice):

• Image

• Namespaces

• Runtime

• Filesystem

• Cgroups

What benefits does k8s provide over bare docker (multiple choice)?

• Creates servers automatically

• Provides abstraction for managing container groups

• Provides self-healing for containers

• Utilizes resources better

• Provides automatic SSL termination

What component does NOT belong to master node?

• Contoller-manager

• Kube-proxy

• Kube API server

• Scheduler

What component does NOT belong to worker node?

• Cloud Controller Manager

• Kubelet

• Container runtime

• Kube-proxy

What component ensures that desired number of pods is running across cluster?

• Controller Manager

• Kubelet

• Cloud Controller Manager

What component ensures that desired number of pods is running on a worker node?

• Controller Manager

• Kubelet

• Cloud Controller Manager

What component of the k8s cluster is the main communication point?

• Scheduler

• Controller Manager

• etcd

• Kube API server

What component provides networking in k8s?

• Kubelet

• Kube-proxy

• Kubectl

• Kube-config

Type the correct order of steps to deploy k8s container (e.g. 54321):

1 - Push image to Dockerhub

2 - Deploy app specs to k8s

3 - Build image

4 - Kubelet runs a pod on worker node

5 - Scheduler chooses the worker node