Exam Essentials

Understand that Kubernetes is a container orchestration system. Kubernetes Engine is a GCP product that provides Kubernetes to GCP customers. Kubernetes manages containers that run in a set of VM instances.

Understand that Kubernetes uses a single cluster master that controls nodes that execute workloads. Kubernetes uses the master to coordinate execution and monitor the health of pods. If there is a problem with a pod, the master can correct the problem and reschedule the disrupted job.

Be able to describe pods. Pods are single instances of a running process, services provide a level of indirection between pods and clients calling services in the pods, a ReplicaSet is a kind of controller that ensures that the right number of pods are running, and a deployment is a set of identical pods.

Kubernetes can be deployed using Cloud Console or using gcloud commands. gcloud commands manipulate the Kubernetes Engine service, while kubectl commands are used to manage the internal...