Podcast
Questions and Answers
What is the key characteristic of big data that requires a scalable architecture?
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?
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?
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?
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 macaddress field for the last row in the example data?
What is the value of the firstaccess field for the record with visitorid 1893826?
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 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?
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?
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 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?
Which of the following is the LEAST likely to be a challenge associated with big data?
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