Discuss Linux Foundation PCA Exam Topic 4 Question 13

What is the name of the official *nix OS kernel metrics exporter?

APrometheus_exporter

Bnode_exporter

Cmetrics_exporter

Dos_exporter

Suggested Answer: B

The official Prometheus exporter for collecting system-level and kernel-related metrics from Linux and other UNIX-like operating systems is the Node Exporter.

The Node Exporter exposes hardware and OS metrics including CPU load, memory usage, disk I/O, network traffic, and kernel statistics. It is designed to provide host-level observability and serves data at the default endpoint :9100/metrics in the standard Prometheus exposition text format.

This exporter is part of the official Prometheus ecosystem and is widely deployed for infrastructure monitoring. None of the other listed options (Prometheus_exporter, metrics_exporter, or os_exporter) are official components of the Prometheus project.

Verified from Prometheus documentation -- Node Exporter Overview, System Metrics Collection, and Official Exporters List.

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29 comments · newest first

Alline

Prometheus_exporter sounds familiar, but not the right one.

Lynelle 5 days ago

A bit unsure, but I lean towards B too.

Crista 10 days ago

Yeah, I feel the same. It's widely used.

Adell 15 days ago

I think it's B) node_exporter.

Erinn 20 days ago

No, it's B) node_exporter for sure.

Carma 26 days ago

I thought it was A) Prometheus_exporter at first.

Sharmaine 1 month ago

I remember using it for monitoring. Good choice!

Lenna 1 month ago

Definitely B) node_exporter. It collects metrics effectively.

Cherry 1 month ago

Prometheus_exporter sounds familiar, but not the right one.

Shayne 2 months ago

A bit unsure, but I lean towards B too.

Reed 2 months ago

Yeah, I feel the same. It's widely used.

Renea 2 months ago

I think it's B) node_exporter.

Marva 2 months ago

No, it's B) node_exporter for sure.

Raymon 2 months ago

I thought it was A) Prometheus_exporter at first.

Leeann 2 months ago

I remember using it for monitoring. Good choice!

Tomoko 3 months ago

Definitely B) node_exporter. It collects metrics effectively.

Lawanda 3 months ago

Prometheus_exporter sounds familiar, but not the right one.

Yen 3 months ago

A bit unsure, but I lean towards B too.

Loren 3 months ago

Yeah, I feel the same. It's widely used.

Shelton 3 months ago

I think it's B) node_exporter.

Loreen 3 months ago

Nope, it's not C) metrics_exporter for sure.

Maryln 4 months ago

Wait, is it really node_exporter? I had no idea!

Angelica 4 months ago

I thought it was A) Prometheus_exporter?

Dorthy 4 months ago

Agreed, node_exporter is the one!

Audria 4 months ago

It's definitely B) node_exporter.

Maybelle 4 months ago

I feel like I’ve seen Prometheus_exporter in some documentation, but it doesn’t sound right for this question.

Lajuana 6 months ago

I’m a bit confused; I thought there was something called metrics_exporter too. Is that not the same?

Marylyn 6 months ago

I recall practicing a similar question, and I think node_exporter was the one related to system metrics.

Rickie 6 months ago

I think the answer might be B) node_exporter, but I'm not completely sure. I remember it being mentioned in a lecture.

Linux Foundation PCA Exam - Topic 4 Question 13 Discussion