Fundamental Machine Learning: Concepts & Visual Tools

Question 1

You want to predict the selling price of a house based on its size, location, and age. What type of Machine Learning model should you use?

Accepted Answer

Regression

Answer

Classification

Answer

Clustering

Answer

Anomaly Detection

Question 2

A bank wants to predict whether a customer will 'default' (Yes) or 'not default' (No) on their loan payment. What type of model is this?

Accepted Answer

Binary Classification

Answer

Multiclass Classification

Answer

Regression

Answer

Clustering

Question 3

You have a dataset of customers without prior labels. You want to group them into segments based on similar purchasing patterns for a marketing campaign. Which technique do you use?

Accepted Answer

Clustering

Answer

Classification

Answer

Regression

Answer

Reinforcement Learning

Question 4

You are a business analyst with no coding experience. You need to find the best model to predict sales by automatically testing multiple algorithms. Which Azure ML tool should you use?

Accepted Answer

Automated ML (AutoML)

Answer

Azure Machine Learning Designer

Answer

Notebooks (Jupyter)

Answer

Data Labeling

Question 5

Which Azure Machine Learning tool provides a 'drag-and-drop' visual interface to create ML pipelines by connecting modules?

Accepted Answer

Azure Machine Learning Designer

Answer

Automated ML

Answer

Notebooks

Answer

Visual Studio Code

Question 6

In an Azure Machine Learning Designer pipeline, why is the 'Split Data' module used before training?

Accepted Answer

To create two sets: one to train the model and another to evaluate its performance (validation).

Answer

To remove rows with missing values.

Answer

To separate numerical data from text data.

Answer

To improve training speed by using less data.

Question 7

Which metric would you use to evaluate the accuracy of a Regression model (numerical prediction)?

Accepted Answer

RMSE (Root Mean Squared Error)

Answer

Confusion Matrix

Answer

Accuracy

Answer

AUC (Area Under Curve)

Question 8

What is the 'Confusion Matrix' and for what type of model is it used?

Accepted Answer

A table comparing predictions with actual values to evaluate Classification models.

Answer

A formula to calculate error in Regression models.

Answer

A chart to visualize groups in Clustering.

Answer

A list of parameters for AutoML.

Question 9

In Azure Machine Learning, what is a 'Compute Cluster'?

Accepted Answer

A managed resource of virtual machines that runs your training jobs.

Answer

A database to store results.

Answer

A data visualization tool.

Answer

A machine learning algorithm.

Question 10

You are configuring an Automated ML job. You want to predict the 'Price' column. What is this column called in the configuration?

Accepted Answer

Target column or Label

Answer

Feature

Answer

Validation data

Answer

Index