
Explanation:

Box 1: Helm
To create the ingress controller, use Helm to install nginx-ingress.
Box 2: kubectl
To find the cluster IP address of a Kubernetes pod, use the kubectl get pod command on your local machine, with the option -o wide .
Box 3: Ingress Controller
An ingress controller is a piece of software that provides reverse proxy, configurable traffic routing, and TLS termination for Kubernetes services. Kubernetes ingress resources are used to configure the ingress rules and routes for individual Kubernetes services.
Reference:
https://docs.microsoft.com/bs-cyrl-ba/azure/aks/ingress-basic
https://www.digitalocean.com/community/tutorials/how-to-inspect-kubernetes-networking