Questions

Please answer the following questions to assess your learning progress:

1. Explain in a few short sentences what the role of a Kubernetes master is.
2. List the elements that need to be present on each Kubernetes (worker) node.
3. Yes or No: We cannot run individual containers in a Kubernetes cluster. 
4. Explain the reason why containers of a pod can use localhost to communicate with each other.
5. What is the purpose of the so-called pause container in a pod?
6. Bob tells you: Our application consists of three Docker images: web, inventory, and db. Since we can run multiple containers in a Kubernetes pod, we are going to deploy all the services of our application in a single pod. List three to four reasons why this is a bad idea.
7. Explain in your own words why we need Kubernetes ReplicaSets.
8. Under which circumstances do we need Kubernetes deployments?
9. List at least three types...