big data

What is the primary characteristic of big data?

• a) Structured data

• b) Small data

• c) Volume, Velocity, and Variety

• d) Simple data

Which of the following is NOT one of the "Vs" of big data?

• a) Volume

• b) Velocity

• c) Validity

• d) Variety

What technology is commonly used for processing and analyzing big data in a distributed computing environment?

• a) Hadoop

• b) Python

• c) SQL

• d) Excel

Which of the following programming languages is often used for working with big data in data analysis and machine learning?

• a) Java

• b) C++

• c) Ruby

• d) Python

What term is used to describe the practice of combining multiple data sources to create a unified view?

• a) Data fragmentation

• b) Data segregation

• c) Data integration

• d) Data isolation

Which of the following is an example of structured data?

• a) A collection of customer reviews

• b) An Excel spreadsheet

• c) Twitter tweets

• d) A video file

Which storage technology is designed for fast data retrieval and is often used in big data applications?

• a) Hadoop Distributed File System (HDFS)

• b) Relational Database Management System (RDBMS)

• c) Solid State Drives (SSD)

• d) Magnetic Tape

What is the process of transforming and cleaning raw data into a format suitable for analysis?

• a) Data analysis

• b) Data visualization

• c) Data preprocessing

• d) Data storage

Which of the following is a common challenge associated with big data analytics?

• a) Lack of data volume

• b) Slow data processing
  

• c) Limited data variety

• d) Simple data models

What does the term "MapReduce" refer to in the context of big data?

• a) A programming language for big data analytics

• b) A data visualization tool

• c) A programming model for processing and generating large datasets

• d) A cloud computing service