Please try to answer the following questions without going back to read the chapter's content:

1. List at least three components described in the stable cluster configuration.
2. Why are retry and circuit breaker important?
3. How do we replace the default ingress layer with the new one?
4. How can we install the network plugin?
5. What is the most frontal part of the ELK stack?
6. Why is the Go language suitable for scripting the Docker system?
7. How do we listen to Docker events of a certain type?
8. How do we set up a control plane?
9. What is the operator pattern? Why is it important?
10. What is the characteristic of Spot instances that makes them cheaper than normal instances?