PCA (Prometheus Certified Associate) sample exam question with answer 143

Question:
Which of the following is a commonly used exporter for collecting system-level metrics on Linux systems?

1. MySQL exporter
2. Node exporter
3. Redis exporter
4. Blackbox exporter

Answer:
B - correct. The Node exporter is a commonly used exporter for collecting system-level metrics on Linux systems. It exposes a wide range of metrics related to CPU, memory, disk usage, network activity, and more
A - the MySQL exporter is used to collect metrics specifically from MySQL databases
C - the Redis exporter is used for Redis databases
D - the Blackbox exporter is used for probing external endpoints for availability and latency