Grafana: From Discovery to Expertise

Chapter Use cases

1. Congratulations! What is the best way to become a Grafana expert?

Read the doc once Practice with real cases and follow the projects from training n°11 Uninstall the software Use Excel

2. In the 'Geomap' panel, how do you define the position of points?

With postal addresses Via coordinates (Latitude/Longitude) or country codes (ISO) By drawing on the map It is automatic

3. Can Grafana be used without any time series database?

No, it is mandatory Yes, with plugins like Infinity (JSON/CSV) or SQL sources Only with Excel Only in demo mode

4. The default Grafana authentication at first launch is:

admin / admin root / root admin / password guest / guest

5. What does 'Grafana Scenes' (advanced development) allow you to do?

Create movies Develop complex web applications within Grafana using React Change the dashboard theme Manage home automation

Chapter Traces (Tempo) · Alloy: From Discovery to Expertise

6. What is the command to automatically format an Alloy configuration file?

alloy format alloy fmt alloy check alloy --fix

7. What is the name of the command-line interface (CLI) for administering Grafana?

grafana-cli gf-admin grafanactl gctl

8. What does 'Alert Silencing' mean?

Deleting the alert Temporarily deactivating notifications for a known alert (e.g., during maintenance) Muting the computer sound Hiding the chart

9. What is the name of the graphical interface allowing you to build Prometheus queries without knowing PromQL?

Query Builder Visual Query Prompt Helper Auto-Prom

10. Can Grafana be used to monitor SQL databases (PostgreSQL, MySQL)?

No Yes, by writing SQL queries directly in the panels Only via a third-party agent Only in the Cloud version

11. What happens if you modify a YAML file in 'provisioning/datasources'?

Nothing Grafana updates or creates the data source automatically (after restart or via API) The dashboard explodes The admin user is deleted

12. What is the use of the 'Contact Point' in alerting?

It is the server's IP address It is the notification destination (e.g., a Slack channel, an email box) The administrator's name A chat plugin

Chapter Traces (Tempo) · Alloy: From Discovery to Expertise

13. Which of these elements is NOT a natively supported data source by Grafana?

Prometheus Elasticsearch MySQL Adobe Photoshop

14. What is the use of the 'Inspect' button on a panel?

Delete the panel See raw data (Data), the panel JSON, or the query sent to the server Change the password Check for viruses

Chapter Use cases

15. What is the role of 'Grafana Assistant'?

It's a chatbot for customer support A generative AI to help write PromQL/LogQL queries and analyze dashboards A plugin to manage the calendar An automatic installer

16. Which of these keyboard shortcuts allows entering full screen mode (Cycle view mode)?

Ctrl + S d v Shift + F Escape

Chapter Introduction and Architecture · Alloy: From Discovery to Expertise

17. What is Grafana Alloy?

A type of pie chart The new universal telemetry collector from Grafana Labs A paid extension A programming language

18. What is the function of the 'UQL' plugin in Infinity?

An automatic update A query language to manipulate, filter, and transform complex JSON data A backup system A type of authentication

19. What is the function of the 'Play' button in the Time Range Picker?

Start a video Activate Kiosk mode Switch to 'Live' mode (real-time data streaming without full page reload) Nothing

20. How to force the 'Bytes' unit on the Y-axis of a chart?

By writing 'Bytes' in the title Via 'Standard options > Unit' in the right pane By multiplying by 1024 It is not possible