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Guide for Prometheus-Certified-Associate: Prometheus Certified Associate (PCA)

Quiz Prometheus-Certified-Associate: Prometheus Certified Associate (PCA)

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/ 10

Quiz

1/10
Which of the following is NOT a metric generated by Prometheus automatically when performing a
scrape?
Select the answer
1 correct answer
A.
scrape_payload_bytes
B.
scrape_duration_seconds
C.
scrape_samples_scraped
D.
up

Quiz

2/10
What is a Prometheus exporter?
Select the answer
1 correct answer
A.
A program that exposes metrics from a system that does not natively expose Prometheus metrics
B.
A code library that allows exposing Prometheus metrics
C.
A program that sends metrics to Prometheus
D.
An application directly instrumented with Prometheus metrics

Quiz

3/10
As a best practice, which of the following is a poor use of Alertmanager silencing?
Select the answer
1 correct answer
A.
Silence alerts from a set of servers which are undergoing routine maintenance
B.
Silence alerts from a server for brief period while it is being initialized
C.
Silence alerts from a server that is being deprovisioned
D.
Silence a specific alert for which notifications are no longer desired

Quiz

4/10
What is a Prometheus metrics registry?
Select the answer
1 correct answer
A.
A code library used for exposing Prometheus metrics
B.
A set of metrics in an instrumented application that will be returned when scraped
C.
A documentation site detailing the metrics provided by a specific exporter or instrumentation
D.
A documentation site detailing all of the public exporters and instrumentations

Quiz

5/10
In an alerting rule, which syntax can be used to specify the value of a label called node within a different
alert label or annotation?
Select the answer
1 correct answer
A.
{{ $labels.node }}
B.
label_value("node")
C.
$labels.node
D.
labels["node"]

Quiz

6/10
What is the purpose of Prometheus recording rules?
Select the answer
1 correct answer
A.
Evaluate a PromQL expression and save the result back to the TSDB as a new metric
B.
Record the screen of users of an application and generate metrics from their session
C.
Record the current state of all firing alerts for later analysis
D.
Define criteria for recording details of metrics for later retroactive evaluation of alerting rules

Quiz

7/10
What configuration is used to effectively disable grouping of alerts for a particular Alertmanager route?
Select the answer
1 correct answer
A.
group_by: ['*']
B.
enable_grouping: false
C.
group_by: ['...']
D.
disable_grouping: true

Quiz

8/10
Which of the following is NOT a best practice when it comes to writing a Prometheus exporter?
Select the answer
1 correct answer
A.
Include a landing HTML page that links to the metrics path
B.
Include a version label on all exported metrics
C.
Drop statistical aggregations such as mean or median
D.
Follow the Prometheus best practices on metric naming

Quiz

9/10
How and at what level of granularity is Prometheus data retention configured?
Select the answer
1 correct answer
A.
Globally via the configuration file
B.
Per-scrape in command line flags
C.
Globally via command line flags
D.
Per-scrape in the configuration file

Quiz

10/10
You have configured the Elastic Kubernetes Service on AWS and have deployed Node Exporter to each
of the hosts and configured it to be managed by systemd.
Which of the following service discovery methods should you use to configure a Prometheus scrape for
Node Exporter?
Select the answer
1 correct answer
A.
kubernetes_sd_configs
B.
static_sd_configs
C.
file_sd_configs
D.
ec2_sd_configs
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