Chetu Interview Questions, Process, and Tips

Basic NodeJS related to commands like npm list, npm install etc. and aptitude questions asked related to average and logical questions. Very easy round if you know beginner level maths and done little bit of work around nodejs

Q1. All questions asked around ReactJS, Redux like how redux works, virtual DOM, useMemo hook, HOC and others along with working of NodeJS, little bit of MongoDB and JavaScript concepts like hoisting etc.
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Very basic output based questions around printing name of each object present inside array of object, hoisting based questions etc.

Please pose a question related to Python and also write a Python program, in addition to inquiring about Django.

Q1. All oops concept
Ans. 
Object-oriented programming concepts like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the ne
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Q2. Basic sql query
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Mcq on sql, python, syntax, english sentence

Q1. Question on dictionary
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Q2. Question on data leakage, bias variance trade off,
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Q1. Build xg bost model(actaul code)
Ans. 
Building an xgboost model involves training a gradient boosting algorithm for classification or regression tasks.
• Install xgboost library using pip install xgboost

• Import necessary libraries like xgboost, numpy, and pandas

• Prepare the data by splitting into training and testing sets

• Instantiate an xgboost classifier or regressor object

• Fit the model on the training data using the fit method

• Make predictions on the test data
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Q2. Create the virtual environment using cmd.
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Q3. Remove space from given dataframe and concat the first and last name and add new column to dataframe.
Ans. 
Remove spaces from dataframe, concatenate first and last name, and add new column.
• Use str.replace() to remove spaces from dataframe columns.

• Use str.cat() to concatenate first and last name.

• Use df['new_column'] = concatenated_names to add new column.
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Q4. Create simple ANN network using Tensorflow.
Ans. 
Creating a simple Artificial Neural Network (ANN) using Tensorflow.
• Import the necessary libraries like tensorflow and numpy.

• Define the input layer, hidden layers, and output layer.

• Compile the model with appropriate loss function and optimizer.

• Train the model using training data.

• Evaluate the model using test data.
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Q1. Salary discussion?
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Q2. Asking to come to office location noida to received offer letter
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Q3. No clarity on what CTC they are offering.
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It was CAD Developer position so they asked about cad and some aptitude questions.

Q1. Asked about AutoCAD APIs.
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Q2. About C# language.
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1. What is Playwright, and how does it differ from Selenium?
2. How do you handle authentication in Playwright for multiple users?
3. Explain how to run tests in parallel using Playwright.
4. Describe how you would handle waiting for elements in Playwright.