Big Data and Databases Quiz

What is Big Data?

• A vast collection of books, both digital and physical

• A system designed to store small files

• Large volumes of structured and unstructured data analyzed for insights

• A software tool for database creation

Which of these is an example of Big Data?

• A spreadsheet containing 10 rows of data

• A single customer's contact details

• Social media posts and activity logs

• A handwritten grocery list

How is Big Data commonly used?

• Predicting customer behavior in online shopping

• Recording a student's grades in a notebook

• Sending SMS messages

• Printing paper invoices

Which industry relies on Big Data for fraud detection?

• Agriculture

• Music

• Fashion

• Banking and finance

Which of the following is NOT a key characteristic of Big Data?

• Veracity

• Variety

• Visibility

• Reliability

What does ‘Variety’ in Big Data refer to?

• The small amount of data collected

• The accuracy of stored information

• The mix of data types like text, images, and videos

• The credibility of the source

What does the term ‘Veracity’ in Big Data mean?

• The trustworthiness and accuracy of data

• The type of database being used

• The speed at which data is processed

• The total number of records stored

Why is it important for Big Data to be reliable?

• It helps reduce the data size

• It replaces traditional databases

• It ensures accuracy for informed decision-making

• It allows companies to erase stored information

What defines a relational database?

• A database storing data in related tables

• Software for editing images

• A simple list of names and numbers

• A tool for playing media files

How is data arranged in a relational database table?

• As an uneditable document

• As physical file storage

• In structured rows and columns

• As a single large file