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CISCO Introduction to IoT Chapter 1 Quiz Answers

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CISCO Introduction to IoT Chapter 3 Quiz Answers

CISCO Introduction to IoT Quiz Answers

1. Which attribute of big data involves an exponential data growth rate?

  1. volume
  2. value
  3. variety
  4. velocity

2. True or False?
Web scraping tools are used to extract and manipulate structured data.

  1. false
  2. true

3. What type of data is being collected when an organization is using spreadsheets and forms for data input?

  1. application data
  2. raw data
  3. structured data
  4. unstructured data

4. True or False?
Distributed data processing involves large databases being centrally processed by powerful mainframe computers and stored in giant disk arrays.

  1. false
  2. true

5. True or False?
Structured data is easier to analyze and store than unstructured data.

  1. false
  2. true

6. Which type of data can be used by a business to support managerial analysis tasks and organizational decision making?

  1. analyzed data
  2. saved data
  3. raw data
  4. transactional data

7. What is cloud computing?

  1. a comprehensive ecosystem of open-source software for big data management
  2. a system of data centers or connected servers that provide anywhere/anytime access to data and applications
  3. an architecture that utilizes edge devices for data preprocessing and storage
  4. a process that turns raw data into meaningful information using patterns and relationships in data sets

8. An organization is concerned with the amount of sensor data that is being generated locally, analyzed in the cloud, and returned for processing at the local site. Which solution will keep the data closer to the source for preprocessing?

  1. cloud computing
  2. distributed processing
  3. data mining
  4. fog computing

9. A business is analyzing sales information as the sales data is being generated from the point-of-sale (POS) machines. What type of data is captured and processed as the events happen?

  1. raw data
  2. transactional data
  3. saved data
  4. analytical data

10. True or False?
Data is defined as big data if it is more than 1 petabyte.

  1. false
  2. true

11. Which challenge of big data storage is characterized by the need to make data accessible from anywhere at anytime?

  1. analytics
  2. management
  3. security
  4. access

12. What are three features of Hadoop? (Choose three.)

  1. must run on a single virtual machine
  2. uses HDFS as a fault tolerant file system
  3. requires proprietary software
  4. automatic replication of data across clusters
  5. easily scalable cluster sizes

13. Making data accessible to only authorized users addresses which data storage problem associated with big data?

  1. access
  2. security
  3. management
  4. redundancy

14. What is the process of discovering patterns and relationships in large data sets in order to convert raw data into meaningful information?

  1. data formatting
  2. data selection
  3. data querying
  4. data mining

15. What characterizes data management problems associated with big data storage?

  1. generating and collecting data from multiple sources
  2. maintaining the integrity of stored data
  3. making data only available to authorized users
  4. ensuring that data is accessible from anywhere at anytime

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