Data Science Tools Quiz Answers – Cognitive Class

Get Data Science Tools Quiz Answers

In this course, you’ll learn about Data Science tools like Jupyter Notebooks, RStudio IDE, and Watson Studio. You will learn what each tool is used for, what programming languages they can execute, their features and limitations and how data scientists use these tools today.

With the tools hosted in the cloud, you will be able to test each tool and follow instructions to run simple code in Python or R. To complete the course, you will create a final project with a Jupyter Notebook on IBM Watson Studio on Cloud and demonstrate your proficiency in preparing a notebook, writing Markdown, and sharing your work with your peers.

This hands-on course will get you up and running with some of the latest and greatest data science tools.

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Module 1 – Language of Data Science

Question: Which of the following statements is true?

  • Python is the most popular language in data science.
  • 80% of data scientists worldwide use Python.
  • Python is useful for AI, machine learning, web development, and IoT.
  • Keras, Scikit-learn, Matplotlib, Pandas, and TensorFlow are all built with Python.
  • All of the above

Question: Which of the following are SQL databases? (Select all that apply.)

  • MongoDB
  • MariaDB
  • MySQL
  • PostgreSQL
  • CouchDB
  • Oracle

Question: Which statements are true about Open Source and Free Software? (Select all that apply.)

  • Free Software and Open Source can be used interchangeably.
  • Free Software can always be run, studied, modified and redistributed with or without changes.
  • Most of Free Software licenses also qualify for Open Source.
  • Open Source Software can be modified without sharing the modified source code depending on the Open Source license.

Question: Is the following statement true or false: “R integrates well with other computer languages like C++, Java, C, .Net and Python.”

  • True
  • False

Question: Which of the following languages can be used for data science?

  • SQL
  • R
  • Java
  • Scala
  • Julia
  • Javascript
  • All of the above

Question: Which of the following is used to make Artificial intelligence and Machine Learning possible? (Select all that apply.)

  • Oracle
  • PyTorch
  • TensorFlow.js
  • Apache Spark
  • GNU
  • Caffe

Module 2 – Data Science Tools

Question: Which of the following are common tasks in data science?

  • Model Deployment
  • Data Integration and Transformation
  • Data Visualization
  • Data Management
  • Model Building
  • Model Monitoring and Assessment
  • All of the above

Question: Which of the following are data management tools? (Select all that apply.)

  • GitHub
  • MySQL
  • PostgreSQL
  • KubeFlow
  • PixieDust

Question: Which of the following are Data Integration and Transformation tools? (Select all that apply.)

  • Cassandra
  • Apache Kafka
  • Apache Nifi
  • Apache AirFlow
  • Ceph

Question: Which statement about JupyterLab is correct?

  • JuypterLab can run R and Python code only.
  • JuypterLab can run R and Python code in addition to other programming languages.
  • JuypterLab can run Python code only.
  • JuypterLab can run R code only.

Question: Which statement about RStudio is correct?

  • RStudio is the primary choice for development in the Python programming language.
  • RStudio is the primary choice for development in the R programming language.
  • RStudio is the primary choice for web development.

Question: Which statements about IBM Watson Studio and OpenScale are correct? (Select all that apply.)

  • Watson Studio together with Watson OpenScale is a database management system.
  • Watson Studio together with Watson OpenScale covers the complete development life cycle for all data science, machine learning and AI tasks.
  • Watson Studio together with Watson OpenScale is available as a Cloud offering as well as a package running on top of Kubernetes/RedHat OpenShift in a local data center called IBM Cloud Pak for Data.

Module 3 – Packages, APIs, Datasets and Models

Question: Which scientific computing library provides data structures and data analysis tools for Python?

  • YumPies
  • Seahorse
  • TensorFlow
  • Pandas

Question: What does the acronym API stand for?

  • Abstract Programming Interface
  • Abstract Python Interface
  • Algorithmic Programming Interface
  • Application Programming Interface

Question: True or False: Open data is always distributed under a Community Data License Agreement.

  • True
  • False

Question: Which of the following is not a type of Machine Learning?

  • Reinforcement learning
  • Unsupervised learning
  • Supervised teaching
  • Supervised learning

Question: Which of the following is NOT a deep learning framework?

  • Tommy
  • Keras
  • TensorFlow
  • PyTorch

Question: Fill in the blank: The MAX model-serving microservices expose a _________________ that applications use to consume a model.

  • Scala API
  • Python API
  • Java API
  • REST API

Module 4 – Github

Question: Which of the following statements are true?

  • Git is an integrated development environment for data science.
  • Git is a system for version control of source code.
  • Git is very useful for data science as well since data science often involves a lot of source code to be written and managed.

Question: Which of the following statements about repositories are correct? (Select all that apply.)

  • The remote repository is only accessible by myself.
  • The local repository is only accessible by myself.
  • The staging is only accessible by myself.
  • The remote repository is accessible by all contributors.
  • The local repository is accessible by all contributors.

Question: What is the best process contributing a bugfix to a foreign repository?

  • Ask the repository owner for write access to the repository.
  • Send the fix via email to the author.
  • Fork the repository, update the fork and create a pull request.

Module 5 – Jupyter Notebooks and JupyterLab

Question: Which of the following functions do Jupyter Notebooks unify?

  • Visualization of charts
  • Editing and execution of source code
  • Editing and display of documentation
  • All of the above

Question: Which statement is true about Jupyter Notebooks?

  • Jupyter Notebooks are free and open source.
  • Jupyter Notebooks are a commercial product of IBM.

Question: What is a Jupyter Notebook kernel?

  • It is a wrapper running on the Jupyter server encapsulating the programming language interpreter.
  • It is part of the operating system the Jupyter server runs on.

Module 6 – RStudio IDE

Question: Which of the following functions does RStudio unify? (Select all that apply.)

  • Storing of data.
  • Editing and execution of source code.
  • Display of the R Console.
  • Visualization of plots.
  • Visualization of data in table form.

Question: Which statement is true about the R Studio IDE?

  • RStudio is a commercial product of IBM.
  • RStudio is free and open source.

Question: Which statement about R packages is correct?

  • R currently supports more than 15,000 packages which can be installed to extend R’s functionality.
  • R doesn’t require any packages to be installed since it contains all functionality necessary which a data scientists ever requires.

Module 7 – Watson Studio

Question: Fill in the blank: In Watson Studio, a ____________ is how you organize your resources to achieve a particular goal. Resources can include data, collaborators, and analytic assets like notebooks and models.

  • Asset
  • Job
  • Project
  • Notebook

Question: Fill in the blank: It’s a best practice to remove or replace _____________ before publishing to GitHub.

  • Markdown text
  • Charts
  • Credentials
  • Code cells

Question: Which of the following do you need to create in order to publish a notebook to your GitHub repository?

  • Login credential
  • Access token
  • Profile
  • Apps

Question: Fill in the blank: If you’d like to schedule a notebook in Watson Studio to run at a different time you can create a(n) _____________.

  • Markdown cell
  • Asset
  • API
  • Job

Question: Fill in the blank: On the environments tab you can define the _________________.

  • Runtime configuration for flow editor
  • Hardware size
  • Software configuration
  • Runtime configuration for notebook editor
  • All of the above

Question: Fill in the blank: When sharing a read only version of a notebook, you can choose to share __________________.

  • Only text and output
  • All content including code
  • A permalink
  • All content, excluding sensitive code cells
  • All of the above

Question: Fill in the blank: When working in a Jupyter Notebook, before returning to a project, it’s important to ________________________.

  • Insert to code
  • Save your notebook
  • Insert cells
  • Run cells

Question: Fill in the blank: Before running a notebook, it’s a best practice to ____________ to describe what the notebook does.

  • Insert a cell at the top of the notebook
  • Refresh your page
  • Delete notebook cells
  • Insert a cell at the bottom of the notebook

Question: Fill in the blank: In the _____________ tab you can define the hardware size and software configuration for the runtime associated with Watson Studio tools such as notebooks.

  • Overview
  • Settings
  • Environments
  • Assets

Question: Fill in the blank: IBM Cloud uses ______________ as a way for you to organize your account resources in customizable groupings so that you can quickly assign users access to more than one resource at a time.

  • Catalogs
  • Projects
  • Resource groups
  • Services

Final Exam

Question: Which are the three most used languages for data science? (Select all that apply.)

  • Java
  • R
  • Scala
  • Python
  • SQL

Question: Which of these is a database query language?

  • SQL
  • Python
  • Julia
  • All of the Above

Question: Is it possible to use machine learning within a web browser with Javascript?

  • No
  • Yes

Question: Which of these is not a machine learning or deep learning library for Python?

  • Scikit-learn
  • PyTorch
  • Keras
  • NumPy

Question: Comma Separated Values (CSV) is a commonly used format to store:

  • Tabular data
  • Hierarchical or network data
  • All of the above

Question: Classification models can be used to determine whether:

  • an image contains a dog
  • a video contains a specific sound
  • an email is likely spam
  • All of the above

Question: Generally speaking, which type of model is used to predict a numerical value, such as the potential sales price of a used car?

  • Classification model
  • Regression model
  • Clustering model

Question: Fill in the blank: ________________ is the heart of every organization.

  • The cloud
  • Data
  • Integration
  • Open source

Question: What does the “BI” in BI Tools stand for?

  • Build Information
  • Business Intelligence
  • Build Integration
  • Business Integration

Question: Which of the following are true about Data Asset Management?

  • To be done effectively data must be versioned and annotated with meta data.
  • A crucial part of data science at the enterprise level.
  • Also known as data governance.
  • All of the above

Question: Which are the two most used open source tools for data science? (Select all that apply.)

  • Notepad
  • RStudio
  • Jupyter Notebooks / JupyterLab
  • Spyder
  • VSCode

Question: What tool do most R developers use?

  • Jupyter Notebooks / JupyterLab
  • RStudio

Question: What tool do most Python developers use?

  • Jupyter Notebooks / JupyterLab
  • RStudio

Question: True or false? Jupyter Notebooks / JupyterLab support development in R.

  • True
  • False

Question: Which tool unifies documentation, source code and data visualizations into a single document?

  • Notepad
  • VSCode
  • Jupyter Notebooks / JupyterLab

Question: Which command is used to install packages in R?

  • install.package(“package name”)
  • install(“package name”)
  • package(“package name”)
  • install.packages(“package name”)

Question: Which of the following functions does RStudio provide?

  • Documenting R code applications.
  • Storing data in tables.
  • Creating relationships between data tables.
  • Editing and execution of R code.

Question: True or False: The Jupyter Notebook kernel must be installed on a local server.

  • True
  • False

Question: Which of the following statements about Jupyter Notebooks is correct?

  • Jupyter Notebooks are only available if installed locally on your computer.
  • Jupyter Notebooks support the Visualization of data in charts.
  • Jupyter Notebooks are a commercial product of IBM.
  • Jupyter Notebooks provide storage of massive quantities of data in data lakes.

Question: True or false? R studio supports development in Python.

  • True
  • False

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

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

Question: Fill in the blank: If you’d like to schedule a notebook in Watson Studio to run at a different time you can create a(n) ________.

  • API
  • markdown cell
  • job
  • asset

Question: Fill in the blank: In the __________ tab you can define the hardware size and software configuration for the runtime associated with Watson Studio tools such as Notebook.

  • settings
  • assets
  • environments
  • overview

Question: Fill in the blank: It’s a best practice to remove or replace _____________ before publishing to GitHub.

  • credentials
  • charts
  • markdown text
  • code cells
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