PCA (Prometheus Certified Associate) sample exam question with answer 482

Question:
Which of the following exporters is ideal for detailed monitoring of Linux servers, including metrics such as CPU and disk utilization?

1. Node Exporter
2. SNMP Exporter
3. JMX Exporter
4. Blackbox Exporter

Answer:
A - is correct answer. More at node-exporter
B - is incorrect as this exporter is designed for exposing network devices metrics via the Simple Network Management Protocol
C - is incorrect as this exporter is designed for exposing Java Virtual Machine (JVM) metrics
D - is incorrect as this exporter is designed for exposing metrics based on probes such as HTTP, TCP, ICMP, etc. These probes do not provide detailed metrics about the underlying service or system