PCA (Prometheus Certified Associate) sample exam question with answer 49

Question:
Which of the following BEST describes how Prometheus aides in observability?

1. By being a direct receiver for pushed events, Prometheus can quickly notify relevant stakeholders of problems
2. By scraping time series metrics, Prometheus gives visibility into the status, resource utilization and much more of infrastructure and applications
3. By aggregating logs, Prometheus allows searching and quickly surfacing key events happening across infrastructure and applications
4. By tracing network calls across services, Prometheus provides a highlevel view of distributed services, including bottlenecks and points of failure

Answer:
B - is the correct answer
A - is incorrect as Prometheus aggregates time series metrics, not events. Additionally, Prometheus ingests metrics via pulling (scraping), not via pushing
C - Prometheus does not ingest or aggregate logs
D - Prometheus does not aggregate distributed traces and their spans