PCA (Prometheus Certified Associate) sample exam question with answer 186

Question:
The rate function in PromQL calculates the per-second rate of increase of a metric over a given time range:

1. True
2. False

Answer:
True - The rate function in PromQL calculates the per-second rate of increase of a metric over a given time range. It is commonly used to monitor the rate of change of a metric, such as the rate of incoming requests to a web server