Contizant Technologies Manager Interview Questions and Answers for Experienced

Q1. What is oops in python
Ans. 
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP allows for organizing code into reusable components called classes.

• In Python, classes are defined using the 'class' keyword.

• Classes can have attributes (variables) and methods (functions).

• Inheritance allows classes to inherit attributes and methods from other classes.

• Polymorphism allows objec...read more
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Q2. What is ternary operant in python
Ans. 
Ternary operator in Python is a conditional expression that evaluates to a value based on a condition.
• Ternary operator is written as 'value_if_true if condition else value_if_false'

• It is a shorthand way of writing an if-else statement in a single line

• Example: x = 10 if a > b else 20
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Q1. All about core java
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Q2. Front end and My Sql
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Q1. React hooks related How to use them
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Q2. About web socket real time messaging
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Q3. About react router dom
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Q1. What is supervised learing
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Q2. What is mse
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Q1. Tell us about a project you've worked on using the MERN stack.
Ans. 
Developed a task management application using the MERN stack to streamline team collaboration and project tracking.
• Utilized MongoDB for database management, storing user tasks and project details.

• Implemented Express.js to create RESTful APIs for task CRUD operations.

• Used React.js for building a responsive user interface, allowing users to add, edit, and delete tasks seamlessly.

• Incorporated Node.js for server-side logic...read more
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Q2. How do you manage routes in a MERN stack application?
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Managing routes in a MERN stack involves defining API endpoints and client-side routes for seamless navigation and data handling.
• Use Express.js for backend routing: Define routes in a separate file, e.g., 'routes/user.js'.

• Implement RESTful API conventions: Use GET, POST, PUT, DELETE methods for CRUD operations.

• Utilize React Router for client-side routing: Set up routes in 'App.js' using <BrowserRouter> and <Ro...read more
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Based on my CV, they assigned me a task related to data migration.

Q1. Project reviews
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Q2. Attendance regarding
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