CKA 문제 56

Score: 7%

Task
Given an existing Kubernetes cluster running version 1.20.0, upgrade all of the Kubernetes control plane and node components on the master node only to version 1.20.1.
Be sure to drain the master node before upgrading it and uncordon it after the upgrade.

You are also expected to upgrade kubelet and kubectl on the master node.

CKA 문제 57

Deployment
a. Create a deployment of webapp with image nginx:1.17.1 with
container port 80 and verify the image version