Chapter 7: Computing with Kubernetes

1. C. Kubernetes creates instance groups as part of the process of creating a cluster, which makes option C the correct answer. Stackdriver, not instance groups, is used to monitor the health of nodes and to create alerts and notifications. Kubernetes creates pods and deployments; they are not provided by instance groups.
2. A. A Kubernetes cluster has a single cluster master and one or more nodes to execute workloads, so option A is the correct answer. Stackdriver is not part of the Kubernetes cluster; it is a separate GCP service. Kubernetes does not require instances with at least four vCPUs; in fact, the default node configuration uses one vCPU.
3. C. Pods are single instances of a running process in a cluster, so option C is correct. Pods run containers but are not sets of containers. Application code runs in containers that are deployed in pods. Pods are not controllers, so they cannot manage communication with clients and Kubernetes services...