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Alerting And Dashboarding

Practise Prometheus Certified Associate (PCA, CNCF/Linux Foundation) (PCA) Alerting And Dashboarding practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

48 questions15 easy17 medium16 hard

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What this domain covers

What to know about Alerting And Dashboarding

Alerting And Dashboarding questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Alerting And Dashboarding exam traps

  • Answering from memory before reading the full scenario.
  • Missing a constraint such as cost, availability, security, scope or command context.
  • Choosing a broad answer when the question asks for the most specific fix.
  • Ignoring why the wrong options are tempting.

Question index

All Alerting And Dashboarding questions (48)

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1

Which TWO of the following are benefits of using recording rules?

Medium
2

A team wants to visualize metrics from Prometheus in Grafana. What is the standard way to connect these two services?

Easy
3

You notice that recording rules are consuming too much CPU on your Prometheus server. What is the most effective way to reduce the load while keeping data available?

Medium
4

What happens to your alerts if the Alertmanager configuration file contains a syntax error?

Medium
5

Which Grafana feature allows you to see data from multiple Prometheus servers on a single panel?

Easy
6

When configuring a dashboard panel, what is the significance of the 'Legend' field?

Medium
7

Which Grafana panel type is best for showing a trend of a metric over time?

Easy
8

When using the 'repeat_interval' in Alertmanager, what does it define?

Hard
9

Which Alertmanager feature would you use to prevent a 'ServiceDown' alert from firing if a 'GlobalNetworkOutage' alert is already active?

Hard
10

When configuring Alertmanager 'group_by' settings, what happens if you include a label that is not present on an incoming alert?

Hard
11

You have a global Alertmanager configuration where you want to suppress 'DiskSpaceLow' alerts if 'InstanceDown' is active for the same host. Which mechanism accomplishes this?

Hard
12

Where do you define the threshold for a Prometheus alerting rule?

Easy
13

You want to notify different teams based on the 'service' label of an alert. Where should you configure this logic?

Medium
14

Which TWO of the following are valid fields in a Prometheus alerting rule definition?

Easy
15

You want to ensure that if the Alertmanager cluster loses communication, alerts are still sent. Which configuration helps achieve this?

Hard
16

You have two alerts: 'InstanceDown' and 'HighErrorRate'. You want to inhibit 'HighErrorRate' if 'InstanceDown' is firing for the same instance. Where do you configure this logic?

Hard
17

Which file format is used to define Prometheus alerting rules?

Easy
18

What is the purpose of a 'grouping' configuration in the Alertmanager 'route' block?

Easy
19

Which THREE of the following are valid Alertmanager routing tree parameters?

Hard
20

You have a recording rule that uses 'sum() by (instance)'. Why might this be inefficient for large clusters?

Hard
21

How do you apply a global notification delay in Alertmanager?

Hard
22

You are creating a Grafana dashboard and need to display a gauge showing the current CPU usage percentage from a Prometheus data source. Which function is most appropriate?

Easy
23

You need to send critical alerts to a specific Slack channel while warning alerts go to email. Where should this routing logic be defined?

Hard
24

Which of the following best describes the function of the 'continue: true' setting within an Alertmanager route?

Medium
25

In Alertmanager, what is the role of the 'continue' field in a route?

Hard
26

What does the 'firing' state mean for an alert?

Easy
27

Which TWO of the following are valid components of an Alertmanager configuration file?

Easy
28

You have a Prometheus alerting rule that triggers too frequently during flapping states. Which feature should you use to prevent this without silencing the alert entirely?

Medium
29

You have a recording rule that fails to evaluate because of a 'labels conflict'. What is the most likely cause?

Hard
30

When setting up Alertmanager, what happens if you have no route defined for an alert?

Hard
31

Which THREE of the following are valid Alertmanager grouping parameters?

Hard
32

Which TWO of the following are necessary to successfully inhibit an alert in Alertmanager?

Hard
33

When integrating Grafana with Prometheus, what is the standard authentication method if Prometheus is behind a reverse proxy?

Medium
34

Which THREE of the following are standard ways to send notifications from Alertmanager?

Easy
35

Which of these is NOT a valid Alertmanager receiver type?

Easy
36

What is the purpose of the 'labels' field in an alerting rule?

Easy
37

Which THREE of the following are valid components within a Prometheus Alerting Rule file?

Medium
38

Which TWO of the following are valid ways to prevent alert flapping?

Medium
39

Which tool allows you to visualize Prometheus alerts directly in a web UI?

Easy
40

You have a recording rule named 'job:node_cpu:avg_rate_5m'. Where is this metric stored once the rule is executed?

Medium
41

You are seeing 'Alerting rule evaluation error' in your logs. What is the most likely cause?

Medium
42

Why would you choose to create a recording rule for a complex PromQL query?

Medium
43

You are creating a recording rule to calculate the rate of requests over 5 minutes. Why would you prefer a recording rule over a direct dashboard query?

Medium
44

What is the purpose of the 'keep_firing_for' field in an alerting rule?

Medium
45

Which annotation is commonly used to provide a human-readable description in an alert?

Easy
46

You need to ensure that an alert remains 'firing' for 5 minutes before the Alertmanager is notified. Which field in the Prometheus alerting rule should you configure?

Medium
47

You need to prevent an alert from firing if a maintenance window is active. How should you approach this in Alertmanager?

Hard
48

You have a recording rule that references a metric that doesn't exist. What is the impact?

Medium

Frequently asked questions

What does the Alerting And Dashboarding domain cover on the PCA exam?
Alerting And Dashboarding questions test whether you can apply the concept in context, not just recognise a definition.
How many questions are in this domain?
This page lists all 48 Alerting And Dashboarding questions in the PCA question bank. The actual exam draws from this domain proportionally to its weighting in the official exam blueprint.
What is the best way to practise this domain?
Start with a short focused session (10 questions) to identify gaps, then work through explanations. Repeat with a longer session once the weak areas feel solid.
Can I practise only Alerting And Dashboarding questions?
Yes — the session launcher on this page filters questions to this domain only. Choose any session length for inline explanations and scoring.
Prometheus Certified Associate (PCA, CNCF/Linux Foundation) (PCA) Alerting And Dashboarding Practice Questions