Big Data Visualization - MCQs

What is the primary goal of data visualization?

• To increase data storage

• To clean data

• To represent data visually for better understanding

• To create databases

Which of the following is a common tool used for data visualization?

• Hadoop

• Tableau

• HDFS

• Spark

Which chart is best used for showing proportions?

• Line chart

• Scatter plot

• Pie chart

• Histogram

What does "real-time data visualization" refer to?

• Visualizing data from Excel

• Visualizing data after processing

• Updating visuals as new data comes in

• Creating graphs from static reports

Which of the following is NOT a data visualization library in Python?

• Matplotlib

• ggplot2

• Seaborn

• Plotly

Which of these charts is best for time-series data?

• Bar chart

• Line chart

• Heatmap

• Donut chart

Which technology allows big data visualization through dashboards?

• Kafka

• Power BI

• MySQL

• Pig

Which principle is most important in designing effective data visualizations?

• Data volume

• Aesthetics only

• Clarity and simplicity

• Use of bright colors

Which platform is NOT typically used for visualizing big data?

• Excel

• QlikView

• TensorFlow

• D3.js

Which of the following visualizations is best for correlation analysis?

• Pie chart

• Bar graph

• Scatter plot

• Area chart