Lens for drag-and-drop analysis in Elasticsearch - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Lens in Elasticsearch Kibana?

Lens is a drag-and-drop interface in Kibana that helps users create visualizations easily by selecting fields and metrics without writing queries.

beginner

How do you add a field to a Lens visualization?

You drag a field from the available fields list and drop it onto the workspace area to create a visualization based on that field.

intermediate

What types of visualizations can Lens create using drag-and-drop?

Lens can create bar charts, line charts, pie charts, tables, and more by dragging fields and metrics into the visualization workspace.

intermediate

How does Lens handle aggregation when you drag a numeric field?

Lens automatically applies default aggregations like sum or average to numeric fields when dragged, but you can customize the aggregation type.

beginner

Can Lens visualizations be saved and reused?

Yes, Lens visualizations can be saved as part of Kibana dashboards and reused or shared with others.

What is the main purpose of Lens in Kibana?

A To create visualizations using drag-and-drop without coding

B To write complex Elasticsearch queries

C To manage Elasticsearch clusters

D To monitor server health

Lens is designed to let users create visualizations easily by dragging and dropping fields, without needing to write queries.

Which of these visualization types can Lens create?

A 3D models

B Video streams

C Bar charts

D Text editors

Lens supports common chart types like bar charts, line charts, pie charts, and tables.

When you drag a numeric field into Lens, what happens by default?

A Lens converts it to text

B Lens ignores the field

C Lens deletes the field

D Lens applies a default aggregation like sum or average

Lens automatically applies aggregations such as sum or average to numeric fields.

Can Lens visualizations be saved and shared in Kibana?

A Yes, they can be saved and reused

B No, they are temporary only

C Only if exported as images

D Only by exporting raw data

Lens visualizations can be saved as part of dashboards and shared with others.

What is required to create a Lens visualization?

A Writing SQL queries

B Dragging fields into the workspace

C Installing plugins manually

D Configuring Elasticsearch nodes

Lens uses drag-and-drop of fields to build visualizations without needing query writing.

Explain how Lens simplifies creating visualizations in Kibana.

Think about how Lens helps users who don't want to write queries.

Describe the steps to create a bar chart using Lens with a numeric field.

Focus on dragging fields and how Lens handles numbers.