PCA Alerting And Dashboarding Practice Question
When configuring a dashboard panel, what is the significance of the 'Legend' field?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To rename the metric for display purposes
The legend field allows you to customize the labels displayed in the graph tooltip and legend section.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To set the alert threshold
Why it's wrong here
Thresholds are set in panel settings, not the legend.
- ✗
To enable auto-refresh
Why it's wrong here
Refresh rates are a global dashboard setting.
- ✗
To filter which metrics are shown
Why it's wrong here
Filters are handled by the query itself, not the legend.
- ✓
To rename the metric for display purposes
Why this is correct
The legend field transforms raw metric labels into readable strings.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This PCA practice question is part of Courseiva's free CNCF / Linux Foundation certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCA exam.