PCA (Prometheus Certified Associate) sample exam question with answer 589

Question:
Which of the following is a recommended best practice when instrumenting an application for use with Prometheus?

1. Use Counter metrics for measuring the rate at which an event occurs over time
2. Use Gauge metrics for measuring the size or magnitude of an event
3. Use Summary metrics for measuring the distribution of an event over time
4. Use Histogram metrics for measuring the number of occurrences of an event

Answer:
C - is the correct answer. Summary metrics are generally recommended for measuring the distribution of an event over time