Chetu Software Developer Interview Questions, Process, and Tips

There is an assesment which includes 35 questions and you have to finish in 30 mins. The questions includes basic aptitute and basic python question which is MCQ

Q1. There will be a telephonic interview and will asked basic python and framework questions.
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Q2. What is middleware? What are decorators?
Ans. 
Middleware is software that acts as a bridge between different applications or components.
• Middleware facilitates communication and data exchange between different software applications.

• It can be used to handle tasks such as authentication, logging, and error handling.

• Examples of middleware include Express.js in Node.js for handling HTTP requests and responses.
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Here they will test basic coding skill like decorators, basic problems like Fibonacci series, reverse without using any inbuilt functions, one sorting algorithm and searching algorithm.

Ask multiple choice questions 35 from sql. python. math. time is 35 minutes

Q1. Technical round is on telephone. last for 30 minutes. ask questions on machine learning. Over fitting . what is deep learning . gradient descent . bias variance trade off . linear regression.
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Q2. What is boosting
Ans. 
Boosting is a machine learning ensemble technique that combines multiple weak learners to create a strong learner.
• Boosting iteratively trains a series of weak learners, where each subsequent learner focuses on the mistakes made by the previous ones.

• Popular boosting algorithms include AdaBoost, Gradient Boosting, and XGBoost.

• Boosting is often used in classification and regression problems to improve predictive performan
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Q3. What is bagging
Ans. 
Bagging is a machine learning ensemble technique where multiple models are trained on different subsets of the training data and their predictions are combined.
• Bagging stands for Bootstrap Aggregating

• It helps reduce overfitting by combining the predictions of multiple models

• Random Forest is a popular algorithm that uses bagging
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Q4. Why deep learning is called as deep
Ans. 
Deep learning is called 'deep' because it involves multiple layers of neural networks.
• Deep learning uses multiple layers of neural networks to learn and make decisions.

• Each layer in a deep learning model extracts different features from the input data.

• The depth of the neural network refers to the number of layers it has.

• Deep learning models are able to learn complex patterns and relationships in data.

• Examples of deep l...read more
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Q1. Ask introduction. what is logistic regression. how to remove multicollinearity . what is test error. it last for 20 minutes.
Ans. 
Logistic regression is a statistical model used to predict the probability of a binary outcome based on one or more predictor variables.
• Logistic regression is used when the dependent variable is binary (e.g. 0 or 1).

• To remove multicollinearity in logistic regression, you can use techniques like dropping one of the correlated variables or using regularization methods like Lasso or Ridge regression.

• Test error in logistic...read more
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Q2. How many types of confussion matrix
Ans. 
There are three types of confusion matrices: binary, multi-class, and multi-label.
• Binary confusion matrix is used for classification problems with two classes.

• Multi-class confusion matrix is used for classification problems with more than two classes.

• Multi-label confusion matrix is used for problems where each instance can belong to multiple classes.

• Example: In a binary classification problem, the confusion matrix woul...read more
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Q3. Types of errors
Ans. 
Types of errors in software development
• Syntax errors: Mistakes in the code structure that prevent it from running

• Logic errors: Flaws in the algorithm that lead to incorrect results

• Runtime errors: Issues that occur while the program is running, such as division by zero

• Semantic errors: Errors in the meaning of the code that may not be caught by the compiler
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The apptitude test is very easy.
First 20 questions are realated to image
Means select the image to make puzzle 🧩
Then 5 questions apptitude of related train &speed
Then 5 logical reasoning means series of number, interest,etc.
Then 15 psuedo code question
And you must have to want 60%marks of psuedo code
All psuedo code have from c language you can practice from google
They are provide 3 month unpaid training
And then next three month they giving you 15k
And they want to be 3 lakh check from you as a community of company means if you are want to leave and break the bond of company which have 4 year then you will be....pay
It is not mandatory that your account having money you can give this company check any of your bank.
Thankyou

Q1. Something questions about your passion ?
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Q2. Family background etc.
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Q3. How to measure odometer?
Ans. 
Odometer can be measured by counting the number of rotations of the wheel and multiplying it by the circumference of the wheel.
• Measure the circumference of the wheel

• Count the number of rotations of the wheel

• Multiply the circumference by the number of rotations to get the distance traveled

• Use sensors to automate the process
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Q4. Varify this series 1,4,5,7,8,9 _ ?
Ans. 
The missing number is 6.
• The series is not in any particular pattern.

• The missing number is between 5 and 7.

• The answer is 6.
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Q5. How much byte in int?
Ans. 
An int is typically 4 bytes in size.
• The size of an int can vary depending on the programming language and platform.

• In C and C++, an int is typically 4 bytes on most platforms.

• In Java, an int is always 4 bytes.

• In Python, an int can be any size depending on the value it represents.
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Simple question of duration of 60 minutes

Simple questions from dot net and c# with some JavaScript

Q1. What is dependency injection in .net
Ans. 
Dependency Injection is a design pattern used to remove hard-coded dependencies and make code more flexible and testable.
• It allows objects to be created with their dependencies supplied from outside.

• It helps in decoupling the code and makes it easier to maintain.

• It can be implemented using constructor injection, property injection, or method injection.

• Example: In ASP.NET MVC, we can use dependency injection to inject d...read more
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Q2. What is midle ware in asp.net
Ans. 
Middleware in ASP.NET is software that sits between the web server and the application, providing additional functionality.
• Middleware can handle tasks such as authentication, caching, and logging.

• It can be added to the pipeline using the app.Use() method in the Startup class.

• Examples of middleware include the ASP.NET Core Authentication middleware and the Serilog middleware for logging.

• Middleware can be written as clas...read more
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Q1. What is ddl command in SQL
Ans. 
DDL stands for Data Definition Language and is used to create, modify, and delete database objects in SQL.
• DDL commands include CREATE, ALTER, and DROP.

• CREATE is used to create a new database object like a table or index.

• ALTER is used to modify an existing database object.

• DROP is used to delete a database object.

• DDL commands are used to define the structure of a database.

• DDL commands are different from DML (Data Manipul...read more
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Q1. What is sellery expectations.
Ans. 
Salary expectations refer to the amount of money a candidate expects to earn in a particular job position.
• It is important to research the industry standards and the company's budget before stating salary expectations.

• Candidates should consider their experience, skills, and qualifications when determining their salary expectations.

• Negotiation skills are important when discussing salary expectations with the employer.

• Sal...read more
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Different types of questions

Python coding with prime numbers

Q1. Self introduction
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Q2. Prasanna Kumari
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