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Introduction to Data Science Process Quiz

11 Questions

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Introduction to Data Science Process Quiz

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Questions and Answers

What is the key characteristic of big data that requires a scalable architecture?

Velocity

Veracity

Volume (correct)

Variety

Which approach to scaling is at the heart of big data and data science?

Increasing memory

Vertical scaling

Horizontal scaling (correct)

Upgrading CPUs

Which level of the data hierarchy represents a collection of data elements?

Data element

Data characteristic

Data record (correct)

Dataset

What is the data type of the `accesscount` field in the example data?

Integer Signup and view all the answers

What is the value of the `macaddress` field for the last row in the example data?

B4:07:F9:B9:F8:61 Signup and view all the answers

What is the value of the `firstaccess` field for the record with `visitorid` 1893826?

24:05.1 Signup and view all the answers

Which of the following is NOT a characteristic of big data?

Variability Signup and view all the answers

Which of the following data sources is NOT mentioned in the text as an example of big data?

Satellite imagery Signup and view all the answers

What is the primary purpose of the data manipulation step in the data science process?

To clean and prepare the raw data Signup and view all the answers

Which of the following is the most accurate description of the Velocity characteristic of big data?

The rate of data growth and real-time processing requirements Signup and view all the answers

Which of the following is the LEAST likely to be a challenge associated with big data?

Difficulty in finding skilled data scientists Signup and view all the answers

Introduction to Data Science Process Quiz

Choose a study mode

Podcast

Questions and Answers

What is the key characteristic of big data that requires a scalable architecture?

Which approach to scaling is at the heart of big data and data science?

Which level of the data hierarchy represents a collection of data elements?

What is the data type of the `accesscount` field in the example data?

What is the value of the `macaddress` field for the last row in the example data?

What is the value of the `firstaccess` field for the record with `visitorid` 1893826?

Which of the following is NOT a characteristic of big data?

Which of the following data sources is NOT mentioned in the text as an example of big data?

What is the primary purpose of the data manipulation step in the data science process?

Which of the following is the most accurate description of the Velocity characteristic of big data?

Which of the following is the LEAST likely to be a challenge associated with big data?

More Like This

Introduction to Data Acquisition Quiz

Data Science Principles: Data Preparation

Data Acquisition Timeframes

Data Science Unit 2 Quiz

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Introduction to Data Science Process Quiz

Choose a study mode

Podcast

Questions and Answers

What is the key characteristic of big data that requires a scalable architecture?

Which approach to scaling is at the heart of big data and data science?

Which level of the data hierarchy represents a collection of data elements?

What is the data type of the accesscount field in the example data?

What is the value of the macaddress field for the last row in the example data?

What is the value of the firstaccess field for the record with visitorid 1893826?

Which of the following is NOT a characteristic of big data?

Which of the following data sources is NOT mentioned in the text as an example of big data?

What is the primary purpose of the data manipulation step in the data science process?

Which of the following is the most accurate description of the Velocity characteristic of big data?

Which of the following is the LEAST likely to be a challenge associated with big data?

More Like This

Introduction to Data Acquisition Quiz

Data Science Principles: Data Preparation

Data Acquisition Timeframes

Data Science Unit 2 Quiz

What is the data type of the `accesscount` field in the example data?

What is the value of the `macaddress` field for the last row in the example data?

What is the value of the `firstaccess` field for the record with `visitorid` 1893826?