Data Attributes and Techniques Quiz

What is an attribute in a data object?

• A chart

• A feature or property of data

• A file name

• A table

Which is not a type of attribute?

• Nominal

• Ordinal

• Circular

• Interval

Which technique reduces data size but keeps useful information?

• Data cleaning

• Data transformation

• Data reduction

• Data merging

What does OLAP stand for?

• Online Analytical Processing

• Online Access Portal

• Object-Level Access

• Offline Analysis

A data cube is used in:

• Data modeling

• Data visualization

• OLAP

• Preprocessing

Data generalization is achieved using:

• Decision trees

• Clustering

• Attribute-oriented induction

• Charts

What is the purpose of a data warehouse?

• Store raw data

• Process daily transactions

• Store integrated, subject-oriented data

• Encrypt data

Which of the following is a Big Data driver?

• Manual entry

• IoT devices

• Static web pages

• Local backups

What type of data is video?

• Structured

• Semi-structured

• Unstructured

• Primary

Which is a Big Data tool?

• Hadoop

• Photoshop

• MySQL

• Excel