Linux Foundation PCA
Q: 1
Which PromQL statement returns the average free bytes of the filesystems over the last hour?
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Q: 2
What is a difference between a counter and a gauge?
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Q: 3
Which of the following is an invalid @ modifier expression?
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Q: 4
What is the best way to expose a timestamp from your application?
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Q: 5
Which of the following is a valid metric name?
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Q: 6
How do you configure the rule evaluation interval in Prometheus?
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Q: 7
What function calculates the tp-quantile from a histogram?
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Q: 8
How many metric types does Prometheus text format support?
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Q: 9
Which of the following signals belongs to symptom-based alerting?
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Q: 10
What is the minimum requirement for an application to expose Prometheus metrics?
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Question 1 of 10
