PCA (Prometheus Certified Associate) sample exam question with answer 369

Question:
Which of the following BEST describes the purpose of Prometheus?

  1. Prometheus aggregates traces for a high level view of applications and infrastructure including bottlenecks and areas experiencing errors
  2. Prometheus aggregates events that are filtered and produce notifications to analysts about issues with applications or infrastructure
  3. Prometheus aggregates application and infrastructure logs for easy troubleshooting and root cause analysis
  4. Prometheus aggregates time series metrics for visualization and alerting on applications and infrastructure
Answer:
D - correct answer. More at overview
A - is incorrect as Prometheus aggregates time series metrics, not traces
B - is incorrect as Prometheus aggregates time series metrics, not events
C - is incorrect as Prometheus aggregates time series metrics, not logs