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 (C)</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 (D)</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 (C)</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 (D)</p> Signup and view all the answers

What percentage of all data is structured data?

<p>5% to 10% (B)</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 (A)</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 (A)</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 (D)</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 (C)</p> Signup and view all the answers

What is a significant role of unstructured data in?

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

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

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

What is a challenge of working with unstructured data?

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

What is required to prepare and analyze unstructured data?

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

What is a limitation of working with unstructured data?

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

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