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Total 382 Questions | Updated On: Nov 18, 2024

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Question 1

You are using Python to analyze data from IoT sensors. You notice that some data points are far off from what you'd expect. What is the most appropriate course of action to ensure data accuracy and reliability?

A : Consult with domain experts to interpret the outliers

B : Ignore the outliers as they add variance to your dataset

C : Replace the outliers with the median value of the dataset

D : Remove the outliers and proceed with the analysis

Answer: A

Question 2

Your Python script is giving you unexpected results in data analysis. Which of the following is generally not advisable for debugging this issue?

A : Review and validate data inputs and transformations

B : Use conditional breakpoints to isolate the problem

C : Examine the Python traceback to identify where the error originates

D : Suppress all exceptions using a general except block

Answer: D

Question 3

In a given dataset, you have a categorical feature "State" that includes the 50 U.S. states. You decide to one-hot encode this feature. What potential issue should you be cautious about?

A : Introducing multicollinearity

B : Reducing the dimensionality of the dataset

C : Creating an imbalanced dataset

D : Inducing underfitting in the model

Answer: A

Question 4

You are developing a web application with Flask and need to collect user-generated data through web forms. What is the most appropriate way to securely collect this data in Python?

A : Use Python's input() function to collect data from users.

B : Use Flask's request.form and sanitize the inputs before storing them.

C : Use JavaScript to collect the form data and send it to Python using cookies.

D : Directly insert form data into a SQL database without modification.

Answer: B

Question 5

You are tasked with preparing a dataset that has a mix of continuous, ordinal, and nominal variables for a machine learning model. What would be the most appropriate encoding method for ordinal variables?

A : Label encoding

B : Binary encoding

C : One-hot encoding

D : Frequency encoding

Answer: A

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Total 382 Questions | Updated On: Nov 18, 2024

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