tools for data science coursera week 6 quiz answers

Final Exam

1. SQL is what type of database management system?

  • Hierarchical
  • Relational
  • Network
  • Object-oriented

2. Which of these is a machine learning or deep learning library for Python?

  • Requests
  • Scikit-learn
  • Pandas
  • NumPy

3. What type of model is used to predict a target variable with two classes?

  • Clustering model
  • Regression model
  • Classification model

4. What is data governance?

  • An implementation of data processes and controls
  • Creating processes and controls around the access of data
  • Storing data in a central repository
  • Deleting data stored within a central repository

5. What is a great alternative to Jupyter Notebooks when programming in R?

  • RStudio
  • D: Spyder
  • Notepad
  • VSCode

6. What tool do most R developers use?

  • Jupyter Notebooks / JupyterLab
  • RStudio

7. Editing and execution of R code is best done in what tool?

  • Jupyter Notebooks / JupyterLab
  • RStudio
  • Notepad
  • Both A and B are correct

8. Which of the following statements about Jupyter Notebook is correct?

  • Jupyter Notebook is only available if installed locally on your computer.
  • Jupyter Notebook supports the Visualization of data in charts.
  • Jupyter Notebook provides storage of massive quantities of data in data lakes.
  • Jupyter Notebook is a commercial product of IBM.

9. Which feature in Watson Studio helps to keep track of and discover relevant Machine Learning assets?

  • Modeler Flows
  • OpenScale
  • All of the above
  • AutoAI
  • Watson Knowledge Catalog

10. How does Data Refinery help build repeatable Data Pipelines for workloads of almost any size?

  • Not supported.
  • Manually write APIs to provide automation.
  • Create a scheduled Job and use a custom environment to run the data flow/pipeline on different workloads.
  • Only a fixed workload size is supported.
  • Feature is available only in the UI, not API.

11. Modeler flows in Watson Studio always begin with which type of node?

  • A data source node
  • An output node
  • A modeling node
  • All of the above
  • A type node

12. What Modeler flow includes data management capabilities and visualization?

  • SPSS Modeler streams
  • Graphical user interface
  • Charts
  • All of the above
  • SPSS syntax

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