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Linux Foundation Prometheus Certified Associate - PCA Exam Practice Test

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Total 62 questions

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Question 1

What should you do with counters that have labels?

A. Investigate if you can move their label value inside their metric name to limit the number of labels. B. Make sure every counter with labels has an extra counter, aggregated, without labels. C. Instantiate them with their possible label values when creating them so they are exposed with a zero value. D. Save their state between application runs so you can restore their last value on startup.

Correct Answer: C

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Question 2

Which of the following signal belongs to symptom-based alerting?

A. Database memory utilization B. CPU usage C. API latency D. Disk space

Correct Answer: C

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Question 3

How would you name a metric that tracks HTTP request duration?

A. http.request_latency B. request_duration_seconds C. http_request_duration_seconds D. http_request_duration

Correct Answer: C

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Question 4

Which Alertmanager feature prevents duplicate notifications from being sent?

A. Grouping B. Inhibition C. Deduplication D. Silencing

Correct Answer: C

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Question 5

Which kind of metrics are associated with the function deriv()?

A. Histograms B. Counters C. Summaries D. Gauges

Correct Answer: D

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Question 6

Which of the following PromQL queries is invalid?

A. max without (instance, job) up B. max without (instance) up C. max by (instance) up D. max on (instance) (up)

Correct Answer: D

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Question 7

When can you use the Grafana Heatmap panel?

A. You can use it to graph a histogram metric. B. You can use it to graph an info metric. C. You can use it to graph a counter metric. D. You can use it to graph a gauge metric.

Correct Answer: A

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Total 62 questions

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