1. Yes. However, in a production environment, you should designate the worker nodes as either Swarm or Kubernetes and not as mixed mode.
2. Kubernetes itself does not have a network. You need to use a Container Networking Interface (CNI) from a provider and install it yourself. The Docker Enterprise Kubernetes platform automatically installs Calico as its default CNI provider. There is an installation parameter with Packer Enterprise Edition if you'd like to install a different CNI network plugin.
3. Simply install Docker Desktop and enable Kubernetes. There is no need to install any other software to run the Kubernetes applications locally.
4. A cluster IP service is only reachable from inside the cluster, whereas a NodePort service, such as a Swarm service with VIP layer 4 routing, can...