Top 50 Grafana Interview Questions with Answers

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What is Grafana?
a) A database management system
b) A data visualization and analytics tool
c) A programming language

Answer: b) A data visualization and analytics tool

Which data sources can Grafana connect to?
a) Only SQL databases
b) Only NoSQL databases
c) Both SQL and NoSQL databases

Answer: c) Both SQL and NoSQL databases

What is a metric in Grafana?
a) A collection of data points
b) A type of dashboard panel
c) A visualization tool

Answer: a) A collection of data points

How can you create a new dashboard in Grafana?
a) Using the CLI only
b) Using the web UI only
c) Both using the CLI and the web UI

Answer: c) Both using the CLI and the web UI

Which language is used to write functions in Grafana?
a) JavaScript
b) Python
c) Ruby

Answer: a) JavaScript

What is a query in Grafana?
a) A way to retrieve data from a data source
b) A way to create visualizations
c) A way to schedule alerts

Answer: a) A way to retrieve data from a data source

What is a panel in Grafana?
a) A type of query
b) A way to visualize data
c) A type of alert

Answer: b) A way to visualize data

What is the difference between a dashboard and a panel in Grafana?
a) A dashboard is a collection of panels, while a panel is a single visualization
b) A dashboard is a single visualization, while a panel is a collection of visualizations
c) There is no difference between a dashboard and a panel

Answer: a) A dashboard is a collection of panels, while a panel is a single visualization

What is a data source in Grafana?
a) An external database that stores data used by Grafana
b) A type of visualization tool
c) A type of alert

Answer: a) An external database that stores data used by Grafana

Can you use Grafana for monitoring infrastructure?
a) Yes, but it requires additional plugins
b) No, Grafana is only for data visualization
c) Yes, Grafana has built-in support for monitoring infrastructure

Answer: c) Yes, Grafana has built-in support for monitoring infrastructure

What is a plugin in Grafana?
a) A way to add additional functionality to Grafana
b) A way to create visualizations
c) A type of alert

Answer: a) A way to add additional functionality to Grafana

Which programming language is used to write plugins in Grafana?
a) JavaScript
b) Python
c) Ruby

Answer: a) JavaScript

What is Loki in Grafana?
a) A monitoring tool for Kubernetes
b) A logging aggregation system
c) A visualization tool

Answer: b) A logging aggregation system

What is the advantage of using Grafana with Prometheus for monitoring?
a) Grafana provides a better interface for Prometheus data
b) Prometheus provides a better interface for Grafana data
c) There is no advantage

Answer: a) Grafana provides a better interface for Prometheus data

What is Alertmanager in Grafana?
a) A way to schedule alerts
b) A tool for managing alerts from Prometheus
c) A way to send notifications of alerts to different channels

Answer: c) A way to send notifications of alerts to different channels

Can you customize the time range for dashboards in Grafana?
a) No, the time range is fixed
b) Yes, the time range can be customized
c) Only for certain visualizations

Answer: b) Yes, the time range can be customized

What is a template variable in Grafana?
a) An input field that can be used to filter data
b) A type of dashboard panel
c) A way to create visualizations

Answer: a) An input field that can be used to filter data

What is a Grafana annotation?
a) A way to mark specific events on a graph
b) A way to mark the start or end of a dashboard panel
c) A type of filter for visualizations

Answer: a) A way to mark specific events on a graph

What is a conditional legend in Grafana?
a) A way to customize the legend based on data values
b) A way to hide the legend
c) A way to change the legend position

Answer: a) A way to customize the legend based on data values

Can you use Grafana with AWS CloudWatch?
a) Yes, but it requires additional plugins
b) No, Grafana does not support CloudWatch
c) Yes, Grafana has built-in support for CloudWatch

Answer: c) Yes, Grafana has built-in support for CloudWatch

Which data visualization types are available in Grafana?
a) Only line and bar charts
b) Only area charts
c) Line, bar, area, pie, and more

Answer: c) Line, bar, area, pie, and more

What is a datasource proxy in Grafana?
a) A way to connect to data sources that are only available on a specific network
b) A type of alert
c) A tool for managing data sources

Answer: a) A way to connect to data sources that are only available on a specific network

Which databases can Grafana connect to?
a) Only MySQL
b) Only Oracle
c) Multiple databases including MySQL, Oracle, InfluxDB, and more

Answer: c) Multiple databases including MySQL, Oracle, InfluxDB, and more

What is a dashboard snapshot in Grafana?
a) A way to save a copy of a dashboard for later use
b) A way to take a screenshot of a dashboard panel
c) A type of visualization for multiple dashboards

Answer: a) A way to save a copy of a dashboard for later use

Can you share a dashboard in Grafana?
a) No, dashboards can only be viewed by the creator
b) Yes, dashboards can be shared with specific users or groups
c) Yes, dashboards are automatically public

Answer: b) Yes, dashboards can be shared with specific users or groups

What is a heatmap in Grafana?
a) A visualization tool for time-series data
b) A way to represent data using colors
c) A type of panel in a dashboard

Answer: b) A way to represent data using colors

What is a gauge in Grafana?
a) A type of panel in a dashboard
b) A way to display a single value across a range of values
c) A visualization tool for time-series data

Answer: b) A way to display a single value across a range of values

What is a histogram in Grafana?
a) A way to visualize data using a bar chart
b) A way to visualize data using a line chart
c) A way to visualize data using a distribution plot

Answer: c) A way to visualize data using a distribution plot

What is a table panel in Grafana?
a) A tool for managing data sources
b) A way to display data in tabular form
c) A way to customize the look and feel of a dashboard

Answer: b) A way to display data in tabular form

What is a Sankey diagram in Grafana?
a) A way to visualize data using a network diagram
b) A way to visualize data using a tree structure
c) A way to visualize data using a flow chart

Answer: c) A way to visualize data using a flow chart

What is a scatter plot in Grafana?
a) A way to visualize data using a dot chart
b) A way to visualize data using a bar chart
c) A way to visualize data using a heat map

Answer: a) A way to visualize data using a dot chart

Can you create a custom panel in Grafana?
a) No, only the built-in panels are available
b) Yes, using a plugin or custom code
c) Yes, using a dashboard widget

Answer: b) Yes, using a plugin or custom code

Can you use Grafana to monitor network traffic?
a) Yes, but it requires additional plugins
b) No, Grafana does not support network monitoring
c) Yes, Grafana has built-in support for network monitoring

Answer: a) Yes, but it requires additional plugins

What is a spider diagram in Grafana?
a) A way to visualize data using a spider web-like structure
b) A way to visualize data using a pie chart
c) A way to visualize data using a tree structure

Answer: a) A way to visualize data using a spider web-like structure

What is a funnel chart in Grafana?
a) A way to represent data using a funnel shape
b) A way to represent data using a pie chart
c) A way to represent data using a stacked bar chart

Answer: a) A way to represent data using a funnel shape

Can you use Grafana to visualize data from multiple data sources?
a) No, Grafana is limited to a single data source per dashboard
b) Yes, Grafana supports multiple data sources per dashboard
c) Only for certain visualizations

Answer: b) Yes, Grafana supports multiple data sources per dashboard

What is a sunburst chart in Grafana?
a) A way to visualize data using a circle divided into sections
b) A way to visualize data using a hexagonal grid
c) A way to visualize data using a Sankey diagram

Answer: a) A way to visualize data using a circle divided into sections

What is a network diagram in Grafana?
a) A way to visualize data using a graph
b) A way to visualize data using a Sankey diagram
c) A way to visualize data using a spider diagram

Answer: a) A way to visualize data using a graph

What is a radar chart in Grafana?
a) A way to visualize data using a polar chart
b) A way to visualize data using a tree structure
c) A way to visualize data using a flow chart

Answer: a) A way to visualize data using a polar chart

Can you use Grafana to monitor logs?
a) No, Grafana is only for data visualization
b) Yes, using Loki
c) Yes, but it requires additional plugins

Answer: b) Yes, using Loki

What is a timeline chart in Grafana?
a) A way to visualize data using a Gantt chart
b) A way to visualize data using a scatter plot
c) A way to visualize data using a line chart

Answer: a) A way to visualize data using a Gantt chart

What is an alert rule in Grafana?
a) A way to schedule alerts
b) A way to create custom alerts based on data
c) A type of panel in a dashboard

Answer: b) A way to create custom alerts based on data

What is a histogram panel in Grafana?
a) A way to visualize data using a bar chart
b) A way to visualize data using a distribution plot
c) A way to visualize data using a heat map

Answer: b) A way to visualize data using a distribution plot

What is a geo map panel in Grafana?
a) A way to visualize data using a map
b) A way to visualize data using a spider web-like structure
c) A way to visualize data using a tree structure

Answer: a) A way to visualize data using a map

What is a gauge panel in Grafana?
a) A way to visualize data using a gauge
b) A way to visualize data using a scatter plot
c) A way to visualize data using a line chart

Answer: a) A way to visualize data using a gauge

Can you use Grafana to monitor server performance?
a) No, Grafana is only for data visualization
b) Yes, using Prometheus and other plugins
c) Yes, but it requires additional plugins

Answer: b) Yes, using Prometheus and other plugins

What is a singlestat panel in Grafana?
a) A way to display a single statistic
b) A way to display multiple statistics
c) A way to display a histogram

Answer: a) A way to display a single statistic

What is a time series panel in Grafana?
a) A way to display time-series data using a line chart
b) A way to display data using a pie chart
c) A way to display data using a bar chart

Answer: a) A way to display time-series data using a line chart

What is an alert dashboard in Grafana?
a) A type of panel in a dashboard
b) A way to visualize and manage alerts
c) A way to customize the look and feel of a dashboard

Answer: b) A way to visualize and manage alerts

What is a variable syntax in Grafana?
a) A way to customize the template variables used in a dashboard
b) A way to customize the SQL query used to retrieve data
c) A way to customize the look and feel of a panel

Answer: a) A way to customize the template variables used in a dashboard

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Ashwani Kumar

Sr. Software Engineer at Cotocus Private Limited

There is no end to education. It is not that you read a book, pass an examination, and finish with education. The whole of life, from the moment you are born to the moment you die, is a process of learning.