Free Practice Linux Foundation Prometheus-Certified-Associate Exam Questions 2025

Stay ahead with 100% Free Prometheus Certified Associate (PCA) Prometheus-Certified-Associate Dumps Practice Questions

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Total 226 Questions | Updated On: Jun 06, 2025

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Question 1

What is the definition of a log?

A : A numeric measurement

B : A textual representation of an event, commonly structured with key-value pairs

C : A detailed accounting of distributed service-to-service calls in a transaction

D : A numeric measurement recorded over time

Answer: B

Question 2

You are instrumenting an HTTP API with Prometheus metrics. You want to be able to get the 99th percentile latency of requests handled by your API.

How should you accomplish this?

A : Calculate the 99th percentile within the application, expose as a latency metric

B : Calculate the 99th percentile within the application, expose as a gauge metric

C : Expose a summary metric with no configured quantiles, use PromQL to calculate the 99th percentile

D : Expose a histogram metric, use PromQL to calculate the 99th percentile

Answer: D

Question 3

What is the difference between alert labels and annotations?

A : Alert annotations can be used for routing while labels cannot

B : Alert labels should be used for metadata that uniquely identifies an alert while annotations should be used for longer-form descriptive content about an alert

C : Alert annotations can be used for silencing alerts while labels cannot

D : Alert annotations should be used for metadata that uniquely identifies an alert while labels should be used for longer-form descriptive content about an alert

Answer: B

Question 4

What is a Prometheus annotation?

A : Metadata that uniquely identifies a time series

B : Metadata that provides longer-form information about an alert

C : Metadata used to expose identifying information about targets discovered via various service discovery mechanisms

D : Metadata that uniquely identifies an alert

Answer: B

Question 5

Let cert_expiry be a gauge metric whose value is a Unix timestamp (epoch time) representing the time a given certificate will expire. Assume this metric is being monitored for several instances.

Which of the following queries yields the expiration time (as a Unix timestamp) of the FIRST certificate expiration?

A : max(cert_expiry)

B : min(cert_expiry)

C : min(timestamp(cert_expiry))

D : max(timestamp(cert_expiry))

Answer: B

Page: 1 / 46

Total 226 Questions | Updated On: Jun 06, 2025

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