PCA (Prometheus Certified Associate) sample exam question with answer 128

Question:
Which of the following statements about Prometheus federation are true?

1. Federation allows multiple Prometheus servers to scrape metrics from a single set of targets
2. Federation allows for horizontal scaling of the Prometheus system
3. Federation can help to reduce the impact of network failures on monitoring
4. Federation allows for high availability of the Prometheus system

Answer:
A, B, C, D - all are true