PCA (Prometheus Certified Associate) sample exam question with answer 498

Question:
What is the purpose of metrics in observability?

1. To visualize the flow of requests through a system
2. To measure the performance of a system
3. To identify and diagnose errors and issues in a system
4. To collect data about the behavior of a system

Answer:
B - is correct answer. Metrics are a component of observability that involve collecting data about the performance of a system, such as response times, error rates, and throughput. This data can be used to understand how the system is performing over time and to identify areas where performance can be improved