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Linux Foundation Exam KCNA Topic 2 Question 58 Discussion

Actual exam question for Linux Foundation's KCNA exam
Question #: 58
Topic #: 2
[All KCNA Questions]

Which prometheus metric type represents a single number value that can increase and decrease over time?

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Suggested Answer: A

https://prometheus.io/docs/concepts/metric_types/#gauge


by Linwood at Jan 24, 2025, 03:18 AM

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Cyndy
16 hours ago
I'm feeling a bit Gauged about this question. But I'm sure I'll nail it when I'm not so Prometheus-ed.
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Ivette
7 days ago
A) Gauge is the way to go here. It's the one that's designed to handle dynamic values, unlike those other static metrics.
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Chandra
9 days ago
Hmm, I was thinking B) Histogram, because that can show the distribution of values. But I guess that's not the best fit for a single number that fluctuates.
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Edelmira
11 days ago
I'm going to go with D) Counter, because that's the one that keeps track of a value that can only increase over time, right?
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Nettie
12 days ago
Actually, a Counter is a cumulative metric that can only increase, while a Gauge can increase and decrease.
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Armanda
16 days ago
I'm not sure, but I think it's D) Counter because it counts occurrences.
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Annelle
20 days ago
I agree with Nettie, a Gauge represents a single number value that can increase and decrease over time.
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Kaycee
1 months ago
A Gauge sounds like the perfect choice to represent a number that can go up and down. The other options seem more for counting or binning data.
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Yesenia
15 days ago
Yeah, a Gauge makes sense for that type of metric. Counters are more for incrementing values and histograms are for distribution data.
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Tamera
24 days ago
I agree, a Gauge is definitely the best choice for representing a single number that can change over time.
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Nettie
1 months ago
I think the answer is A) Gauge.
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