1️⃣ Question 1

Which library is used for machine learning?

• ✅ Scikit-learn

• ❌ Pandas

• ❌ NumPy

• ❌ Matplotlib

Explanation:
Scikit-learn is one of the most widely used machine learning libraries in Python.

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2️⃣ Question 2

Main purpose of an API?

• ✅ Allow communication between software components

• ❌ Facilitate communication between hardware components

• ❌ Create graphical representations of data

• ❌ Design user interfaces

Explanation:
APIs act as a bridge, enabling software systems to interact.

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3️⃣ Question 3

In REST API architecture, what does a client typically receive?

• ✅ JSON file

• ❌ HTML file

• ❌ Binary data

• ❌ XML document

Explanation:
Most modern REST APIs return data in JSON format because it’s lightweight and easy to parse.

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4️⃣ Question 4

What is a structured collection of data?

• ❌ Data Grid

• ❌ Data Store

• ❌ Data Format

• ✅ Data Set

Explanation:
A dataset is a structured, organized collection of related data.

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5️⃣ Question 5

What resources does DAX (Data Asset eXchange) provide?

• ❌ Only raw data files

• ✅ Curated open datasets + tutorial notebooks

• ❌ Proprietary data

• ❌ Only pre-trained models

Explanation:
DAX offers curated datasets with documentation and example notebooks.

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6️⃣ Question 6

Primary task of model training?

• ❌ Preparing the data

• ✅ Identifying patterns in the data

• ❌ Making predictions

• ❌ Evaluating the model

Explanation:
Model training is the process where the algorithm learns patterns from data.

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7️⃣ Question 7

Which model predicts a numeric value?

• ✅ Regression

• ❌ Clustering

• ❌ Classification

• ❌ Reinforcement

Explanation:
Regression models predict continuous numeric outputs.

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8️⃣ Question 8

Which statement about deep learning is true?

• ❌ No specialized hardware needed

• ✅ Deep learning models emulate the human brain’s problem-solving

• ❌ Only used for NLP

• ❌ Require small datasets

Explanation:
Deep learning uses neural networks inspired by brain structure.

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9️⃣ Question 9

Key difference between CDLA-Sharing and CDLA-Permissive?

• ❌ CDLA-Sharing does not allow modification

• ✅ CDLA-Permissive allows private use of modifications

• ❌ CDLA-Sharing is academic-only

• ❌ CDLA-Permissive requires modifications to be shared

Explanation:
CDLA-Permissive gives more freedom, including private modifications, unlike Sharing.

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🔟 Question 10

Which type of learning involves rewards or penalties?

• ❌ Supervised Learning

• ❌ Regression Learning

• ❌ Unsupervised Learning

• ✅ Reinforcement Learning

Explanation:
Reinforcement learning trains models through reward–penalty feedback.

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🧾 Summary Table