1️⃣ Question 1

Which Data Science category enables data to be presented as charts, plots, and maps?

• ❌ Data Integration and Transformation

• ❌ Data Management

• ✅ Data Visualization

• ❌ Model Building

Explanation:
Data visualization focuses on presenting insights visually using charts, graphs, and maps.

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2️⃣ Question 2

Which category uses tools like Fiddler to track model performance in production?

• ❌ Data Visualization

• ❌ Data Integration and Transformation

• ✅ Model Monitoring

Explanation:
Model monitoring ensures deployed models continue performing well by tracking drift, accuracy, and stability.

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3️⃣ Question 3

Which category allows training data and analyzing patterns with ML algorithms?

• ❌ Data Visualization

• ✅ Model Building

• ❌ Model Monitoring and Assessment

• ❌ Model Deployment

Explanation:
Model building includes training, evaluating, and selecting machine learning models.

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4️⃣ Question 4

Which is a good example of code asset management?

• ❌ Jupyter Notebook

• ❌ Apache Spark

• ✅ GitHub

• ❌ Watson Studio

Explanation:
GitHub is used for version control, collaboration, and managing code assets.

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5️⃣ Question 5

Purpose of using Apache Airflow?

• ❌ Data Management

• ❌ Data Visualization

• ❌ Model Deployment

• ✅ Data Integration and Transformation

Explanation:
Airflow is a workflow orchestration tool mainly used for data pipelines and ETL automation.

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6️⃣ Question 6

Which statement is incorrect?

• ✅ Jupyter Notebook is not an open source tool.

• ❌ Jupyter Notebooks unify documentation, code, outputs, shell commands, and visualizations

• ❌ JupyterLab is the next version of Jupyter Notebooks

• ❌ Jupyter supports 100+ languages through kernels

Explanation:
Jupyter Notebook is open source — so the statement claiming it is not is incorrect.

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7️⃣ Question 7

Which plot is used to show a series of data points over time?

• ❌ Tree Map

• ❌ Bar Chart

• ✅ Line Chart

• ❌ Map Chart

Explanation:
Line charts are ideal for showing trends over time.

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8️⃣ Question 8

Another name for Data Asset Management?

• ❌ Data Lakes

• ❌ Data Currency

• ❌ Data Store

• ✅ Data Governance

Explanation:
Data governance ensures proper management, quality, security, and lifecycle of data assets.

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9️⃣ Question 9

What does model deployment use to enable data-based decisions?

• ❌ Web Applications

• ❌ GitLab

• ❌ Packages

• ✅ APIs

Explanation:
Models are deployed via APIs so other systems or apps can send data and receive predictions.

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🔟 Question 10

Which tool is part of IBM Watson Studio?

• ❌ Cloudant

• ❌ DataMeer

• ✅ Data Refinery

• ❌ Informatica

Explanation:
Data Refinery is Watson Studio’s built-in tool for data preparation and cleaning.

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🧾 Summary Table