PCA (Prometheus Certified Associate) sample exam question with answer 4

Question:
What is a panel in a Prometheus dashboard?

1. A visual representation of a metric or group of metrics
2. A container for one or more visualizations
3. A way to filter and query data in Prometheus
4. A set of rules for alerting on certain conditions

Answer:
B - A panel is a container for one or more visualizations on a Prometheus dashboard.
Each panel can contain different visualizations and can be customized to display the metrics and data that are most important to the user.