1. What is Grafana?
a. A database management system
b. A monitoring and observability platform
c. A programming language
d. A version control system
Answer: b. A monitoring and observability platform
2. Which database can Grafana connect to for data visualization?
a. MySQL
b. PostgreSQL
c. Both a and b
d. Only PostgreSQL
Answer: c. Both a and b
3. What is the purpose of Grafana plugins?
a. To extend Grafana's core functionality
b. To uninstall Grafana
c. To create dashboards
d. To manage users and permissions
Answer: a. To extend Grafana's core functionality
4. What is the default data visualization in Grafana?
a. Line chart
b. Bar chart
c. Pie chart
d. Scatter plot
Answer: a. Line chart
5. Which data sources can Grafana connect to out of the box?
a. Prometheus
b. InfluxDB
c. Both a and b
d. Elasticsearch
Answer: c. Both a and b
6. What is Loki in Grafana?
a. A monitoring tool
b. A logging and log aggregation tool
c. A dashboard creation tool
d. A data visualization tool
Answer: b. A logging and log aggregation tool
7. In Grafana, what is a panel?
a. A visualization or graph
b. A user authentication mechanism
c. A database connection
d. A plugin
Answer: a. A visualization or graph
8. What is the purpose of annotations in Grafana?
a. To mark specific points in time on a graph
b. To annotate code
c. To encrypt data
d. To create dashboards
Answer: a. To mark specific points in time on a graph
9. Which authentication methods does Grafana support?
a. LDAP
b. OAuth
c. Both a and b
d. Basic authentication
Answer: c. Both a and b
10. What is the purpose of alerting in Grafana?
a. To send notifications based on defined conditions
b. To create visualizations
c. To schedule backups
d. To manage users
Answer: a. To send notifications based on defined conditions
11. Which programming language is used for writing custom plugins in Grafana?
a. Java
b. JavaScript
c. Python
d. Ruby
Answer: b. JavaScript
12. What is a data source in Grafana?
a. A visual representation of data
b. A connection to a database or monitoring system
c. A plugin
d. A user interface element
Answer: b. A connection to a database or monitoring system
13. Which type of authentication is recommended for Grafana production setups?
a. LDAP
b. Basic authentication
c. OAuth
d. Token-based authentication
Answer: a. LDAP
14. What is the purpose of a template variable in Grafana?
a. To store sensitive information
b. To dynamically change the content of a dashboard
c. To create visualizations
d. To manage plugins
Answer: b. To dynamically change the content of a dashboard
15. What is the purpose of a dashboard in Grafana?
a. To create alerts
b. To store data
c. To visualize data in a structured manner
d. To manage users
Answer: c. To visualize data in a structured manner
16. Which protocol does Grafana use to communicate with data sources like Prometheus?
a. HTTP
b. FTP
c. SMTP
d. TCP
Answer: a. HTTP
17. What is the purpose of Grafana Explore mode?
a. To create alerts
b. To dynamically explore and query data sources
c. To manage plugins
d. To schedule backups
Answer: b. To dynamically explore and query data sources
18. Which type of graph is suitable for displaying categorical data in Grafana?
a. Line chart
b. Bar chart
c. Scatter plot
d. Pie chart
Answer: b. Bar chart
19. How does Grafana store dashboards and data sources?
a. In a relational database
b. In a NoSQL database
c. In files on disk
d. In memory
Answer: c. In files on disk
20. What is the purpose of a data transformation in Grafana?
a. To encrypt data
b. To transform raw data into a usable format
c. To visualize data
d. To manage users
Answer: b. To transform raw data into a usable format
21. Which component is responsible for collecting metrics and sending them to Grafana in a Prometheus setup?
a. Exporter
b. Prometheus server
c. Prometheus alert manager
d. Grafana agent
Answer: a. Exporter
22. What is the purpose of a table panel in Grafana?
a. To create alerts
b. To display data in a tabular format
c. To manage users
d. To create visualizations
Answer: b. To display data in a tabular format
23. What is the purpose of a gauge panel in Grafana?
a. To create alerts
b. To display data in a circular gauge format
c. To manage users
d. To create visualizations
Answer: b. To display data in a circular gauge format
24. What is the purpose of the Grafana Agent?
a. To visualize data
b. To collect and send metrics to Grafana
c. To manage users
d. To create alerts
Answer: b. To collect and send metrics to Grafana
25. Which authentication method is recommended for securing communication between Grafana and data sources like Prometheus?
a. HTTPS with client certificates
b. Basic authentication
c. Token-based authentication
d. LDAP
Answer: a. HTTPS with client certificates
26. What is a data transformation in Grafana?
a. A process to transform data sources into dashboards
b. A process to transform raw data into a usable format for visualization
c. A process to transform visualizations into alerts
d. A process to transform dashboard layouts
Answer: b. A process to transform raw data into a usable format for visualization
27. How can you share a Grafana dashboard with someone who doesn't have a Grafana account?
a. Generate a shareable link
b. Export as an image and share
c. Both a and b
d. Use OAuth authentication
Answer: c. Both a and b
28. In Grafana, what is a snapshot?
a. A static copy of a dashboard at a specific point in time
b. A dynamic copy of a dashboard that updates in real-time
c. A snapshot of the Grafana server configuration
d. A snapshot of the data source configuration
Answer: a. A static copy of a dashboard at a specific point in time
29. Which type of panel is suitable for displaying a single value in Grafana?
a. Singlestat panel
b. Graph panel
c. Table panel
d. Gauge panel
Answer: a. Singlestat panel
30. What is the purpose of an alert notification channel in Grafana?
a. To create alerts
b. To send notifications for alerts
c. To manage users
d. To visualize data
Answer: b. To send notifications for alerts
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