PCA (Prometheus Certified Associate) sample exam question with answer 32

Question:
Which of the following are true regarding Prometheus federation?

1. Prometheus federation allows for scraping metrics from multiple Prometheus servers
2. Prometheus federation requires significant configuration to set up
3. Prometheus federation can be used to scrape metrics from targets outside of a cluster
4. Prometheus federation is only useful for monitoring large clusters

Answer:
A, C - Prometheus federation allows for scraping metrics from multiple Prometheus servers, which can be useful for monitoring large, distributed systems.
Additionally, it can be used to scrape metrics from targets outside of a cluster, allowing for more comprehensive monitoring of a system.
However, it does not necessarily require significant configuration to set up and is not only useful for monitoring large clusters