1. Why should you use a service discovery mechanism in Prometheus?
2. When you're using a cloud provider service discovery, what is the major requirement for setting the integration?
3. What are the types of records supported by the DNS-based service discovery integration?
4. What purpose does the concept of role serve in the Kubernetes service discovery integration?

5. When you're building a custom service discovery, what available integration will you be relying upon?
6. Do you need to reload Prometheus when a target file configured in file_sd is updated?
7. What is the recommended way of building your own custom service discovery?