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Linux Foundation Prometheus Certified Associate - PCA Exam Questions

Page: 1 / 9
Total 62 questions

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QUESTION NO: 1
When can you use the Grafana Heatmap panel?

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

Correct Answer: D

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

QUESTION NO: 2
What does the rate() function in PromQL return?

A. The per-second rate of increase of a counter metric. B. The average of all values in a vector. C. The number of samples in a range vector. D. The total increase of a counter over a range.

Correct Answer: A

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

QUESTION NO: 3
What is the name of the official *nix OS kernel metrics exporter?

A. os_exporter B. Prometheus_exporter C. metrics_exporter D. node_exporter

Correct Answer: D

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

QUESTION NO: 4
Which PromQL statement returns the sum of all values of the metric node_memory_MemAvailable_bytes from 10 minutes ago?

A. sum(node_memory_MemAvailable_bytes offset 10m) B. sum(node_memory_MemAvailable_bytes) offset 10m C. sum(node_memory_MemAvailable_bytes) setoff 10m D. offset sum(node_memory_MemAvailable_bytes[10m])

Correct Answer: A

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

QUESTION NO: 5
With the following metrics over the last 5 minutes:
up{instance="localhost"} 1 1 1 1 1
up{instance="server1"} 1 0 0 0 0
What does the following query return:
min_over_time(up[5m])

A. {instance="localhost"} 1 {instance="server1"} 0 B. {instance="server1"} 0

Correct Answer: A

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

QUESTION NO: 6
The following is a list of metrics exposed by an application:
http_requests_total{code="500"} 10
http_requests_total{code="200"} 20
http_requests_total{code="400"} 30
http_requests_total{verb="POST"} 30
http_requests_total{verb="GET"} 30
What is the issue with the metric family?

A. The value represents two different things across the dimensions: code and verb. B. Metric names are missing a prefix to indicate which application is exposing the query.

Correct Answer: A

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

QUESTION NO: 7
Which of the following signal belongs to symptom-based alerting?

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

Correct Answer: A

Explanation: Only visible for Pass4Test members. You can sign-up / login (it's free).

Page: 1 / 9
Total 62 questions

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