KNIME interview questions

6 questions with answers, grouped by topic.

Node-based fundamentals

The workbench, node states, and reading and writing files.

1

Explain the node status colours in KNIME.beginner

Data manipulation

Filtering columns and rows, rule logic, and handling missing values.

1

How does the Rule Engine node work?beginner

Transformation & aggregation

Joining, concatenating, grouping, pivoting.

2

How do you prevent a Joiner from multiplying rows?intermediate What are the common causes of wrong numbers in a workflow?intermediate

Execution & sharing

Organising, annotating, exporting and running workflows.

2

What is the difference between a metanode and a component?intermediate How would you make a KNIME workflow portable?intermediate