Your team is planning to deploy an application to an Azure Kubernetes cluster. There is a requirement to ensure that the cluster can interact with other Azure resources. Which of the following would you create for this purpose?

Answer options:

A.SSH keys
B.A Service principal
C.An Azure policy
D.A secret

Answer - B 
This can be done with the help of a service principal. The Microsoft documentation mentions the following. 

Since this is clearly mentioned in the Microsoft documentation, all other options are incorrect. 
For more information on creating a Kubernetes cluster, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/aks/kubernetes-walkthrough-rm-template