Working with Big Data: Tools and Technologies
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Questions and Answers

What is the primary function of Predictive Data Analytics in businesses?

  • To alert businesses of important activity ahead of time (correct)
  • To analyze customer questions and provide answers
  • To provide seamless scalability for applications
  • To store structured and unstructured data at any scale

    • What type of data does a Data Lake store?

  • Only structured data
  • Only semi-structured data
  • All types of data, including structured and unstructured data (correct)
  • Only unstructured data

    • What is the primary characteristic of semi-structured data?

  • It has some organizational properties but lacks a fixed schema (correct)
  • It can only be stored in rows and columns
  • It has a fixed or rigid schema
  • It has no organizational properties

    • Which of the following is a fully managed NoSQL database service?

    <p>Amazon DynamoDB</p> Signup and view all the answers

    What is the primary function of Chatbots in businesses?

    <p>To perform text analysis to route customer questions to appropriate answer sources</p> Signup and view all the answers

    Which of the following is a distributed storage that can store any file format in a scalable manner?

    <p>Hadoop</p> Signup and view all the answers

    What is the primary purpose of collecting and analyzing data?

    <p>To gain a competitive edge and improve operations</p> Signup and view all the answers

    What percentage of all data is structured data?

    <p>5% to 10%</p> Signup and view all the answers

    What is an example of a source of structured data?

    <p>Sensors such as GPS and RFID tags</p> Signup and view all the answers

    What is the significance of big data and data analytics?

    <p>To gain a competitive edge and improve operations</p> Signup and view all the answers

    What is the characteristic of structured data?

    <p>It has a well-defined structure or adheres to a specified data model</p> Signup and view all the answers

    What is the primary difference between structured and unstructured data?

    <p>Structured data has a well-defined structure, while unstructured data does not</p> Signup and view all the answers

    What is a significant role of unstructured data in?

    <p>Big data analytics</p> Signup and view all the answers

    What type of analysis is involved in sentiment analysis, topic modeling, and trend detection?

    <p>Text Analysis</p> Signup and view all the answers

    What is a challenge of working with unstructured data?

    <p>It is inherently complex</p> Signup and view all the answers

    What is required to prepare and analyze unstructured data?

    <p>Data science expertise</p> Signup and view all the answers

    What is an application of unstructured data in business?

    <p>To identify consumer behavior, product sentiment, and purchasing patterns</p> Signup and view all the answers

    What is a limitation of working with unstructured data?

    <p>Limited product choices for data managers</p> Signup and view all the answers

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