Answers
- b – No, Gatekeeper is a Kubernetes-native policy engine built on OPA.
 - d – Rego is saved as a 
ConstraintTemplate - b – Please don’t test in production!
 - a – Everything is built on policy, not iterative control loops.
 - c – Add trace functions to your code and run the 
opa testcommand with-vto see execution traces - b – False. You can have variable constraints.
 - a – True, and we’ll cover that in the next chapter!