Mock CKA scenario-based practice test

You have two virtual machines, master-0 and worker-0. Please complete the following mock scenarios:

Scenario 1

SSH to the master-0 node, check the current kubeadm version, and upgrade to the latest kubeadm version. Check out the current kubectl version, and upgrade to the latest kubectl version.

Scenario 2

SSH to worker-0 node, check out the current kubeadm version, and upgrade to the latest kubeadm version. Check out the current kubelet version, and upgrade to the latest kubelet version.

Scenario 3

SSH to the master-0 node and back up the etcd store.

Scenario 4

SSH to the master-0 node and restore the etcd store to the previous backup.

You can find all the scenario resolutions in Appendix - Mock CKA scenario-based practice test resolutions of this book.