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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?

Amazon DynamoDB (C) Signup and view all the answers

What is the primary function of Chatbots in businesses?

To perform text analysis to route customer questions to appropriate answer sources (D) Signup and view all the answers

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

Hadoop (C) Signup and view all the answers

What is the primary purpose of collecting and analyzing data?

To gain a competitive edge and improve operations (D) Signup and view all the answers

What percentage of all data is structured data?

5% to 10% (B) Signup and view all the answers

What is an example of a source of structured data?

Sensors such as GPS and RFID tags (A) Signup and view all the answers

What is the significance of big data and data analytics?

To gain a competitive edge and improve operations (A) Signup and view all the answers

What is the characteristic of structured data?

It has a well-defined structure or adheres to a specified data model (D) Signup and view all the answers

What is the primary difference between structured and unstructured data?

Structured data has a well-defined structure, while unstructured data does not (C) Signup and view all the answers

What is a significant role of unstructured data in?

Big data analytics (A) Signup and view all the answers

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

Text Analysis (A) Signup and view all the answers

What is a challenge of working with unstructured data?

It is inherently complex (B) Signup and view all the answers

What is required to prepare and analyze unstructured data?

Data science expertise (A) Signup and view all the answers

What is an application of unstructured data in business?

To identify consumer behavior, product sentiment, and purchasing patterns (A) Signup and view all the answers

What is a limitation of working with unstructured data?

Limited product choices for data managers (D) Signup and view all the answers

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