Cheers Interactive Software Engineer Interview Questions and Answers

Q1. Basic Javascript questions- guess the output
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Q2. What is js hoisting?
Ans. 
JS hoisting is a mechanism where variable and function declarations are moved to the top of their scope.
• Variable declarations are hoisted but not their values

• Function declarations are fully hoisted

• Let and const declarations are not hoisted
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Q3. Why redux is used and advantages?
Ans. 
Redux is used for managing state in complex applications. It provides a centralized store and predictable state updates.
• Redux helps in managing state in large applications with multiple components

• It provides a centralized store for all the application state

• Redux allows for predictable state updates through actions and reducers

• It enables easy debugging and time-travel debugging with Redux DevTools

• Redux can be used with
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Q1. How to write custom django admin commands
Ans. 
Custom Django admin commands can be written to perform specific tasks in the Django admin interface.
• Create a management/commands directory inside your Django app directory

• Create a Python file for your custom command inside the management/commands directory

• Define a class that extends BaseCommand and implement the handle method to execute the command logic

• Register the custom command in the Django admin interface by addin
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Q2. Python decorator
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The aptitude test contains mostly TCS based questions

The aptitude round contains various questions

Coding test is mandatory for this drive

The coding test involves in the diverse range of dsa

Q1. Why did you chose bcg?
Ans. 
I chose BCG because of their reputation for innovative projects and strong company culture.
• Reputation for innovative projects

• Strong company culture

• Opportunities for growth and development
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Q2. Salary ecxpectation
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Merge 2 sorted array

Q1. How does Django apply migrations to the database?
Ans. 
Django applies migrations to the database using the 'manage.py migrate' command.
• Django tracks changes to models and generates migration files accordingly.

• The 'manage.py makemigrations' command creates migration files based on model changes.

• The 'manage.py migrate' command applies the generated migration files to the database.

• Migrations help keep the database schema in sync with the changes in Django models.
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Q2. What is hoisting in javascript?
Ans. 
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable declarations are hoisted to the top of their scope, but not their assignments.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Hoisting can lead to unexpected behavior if not understood properly.
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Create a full stack application in 3 days.

Q1. About Project and expertise
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Q2. Why BCG?
Ans. 
BCG offers a challenging and innovative work environment with opportunities for growth and development.
• BCG is known for its cutting-edge technology and innovative projects

• Opportunities for professional growth and development

• Strong company culture focused on collaboration and teamwork
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Q1. Polymorphism, OS Deadlock
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Q1. More about how to resolved code merge issue in Git
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