Question 1

Which node is used to extract the column with missing data?

Accepted Answer

Missing Value Column Filter

Answer

ColumnResorter

Answer

ConstantValue Column Filter

Answer

MissingValue

Answer

ColumnFilter

Question 2

With which node the success of the classification prediction can be measured?

Accepted Answer

Scorer

Answer

Decision tree predicter

Answer

Scatter Plot

Answer

Decision tree learner

Answer

Column Expressions

Question 3

What does the joiner node do?

Accepted Answer

It combines two table together on one or more common key values

Answer

Groups the rows of a table by the unique values in the selected group columns

Answer

Each row of the top table is joined with each row of the bottom table by joiner

Answer

Joiner adds two table under each other

Answer

Joiner is used to split a data table into two smaller tables

Question 4

Which one is the output of Statistics node?

Accepted Answer

Nominal Histogram Table

Answer

Results

Answer

Image

Answer

Coefficient and Statistics

Answer

Summary

Question 5

Which one isn’t possible way to handle outliers with numeric outlier node?

Accepted Answer

Replace with mean

Answer

Remove non-outliers rows

Answer

Replace with closest permitted value

Answer

Remove outlier rows

Answer

Replace with missing value

Question 6

In Knime, what is a workflow?

Accepted Answer

A series of interconnected nodes

Answer

A programming language used for data analysis

Answer

A data storage format

Answer

A visual representation of data types

Answer

A machine learning model

Question 7

What types of file can be read using the Excel Reader node in Knime?

Accepted Answer

Both .xlsx and .xls file formats

Answer

Only .dat file format

Answer

Only .xls file format

Answer

Only .xlsx file format

Answer

Only .csv file format

Question 8

Which programming language(s) can be integrated into a Knime node for scripting?

Accepted Answer

Python, R and Java

Answer

Only Python

Answer

Both Python and R

Answer

Only R

Answer

Only Java

Question 9

Which of the following is not a type of data preprocessing node in KNIME?

Accepted Answer

Data Manipulation

Answer

Missing Value

Answer

GroupBy

Answer

Math Formula

Answer

Concatenate

Question 10

With which node in Knime can we paint our rows?

Accepted Answer

Color Manager

Answer

Apply Color Settings to Labels

Answer

Color Appender

Answer

Extract Color

Answer

Colorspaces Converter

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