Cognizant Back Office Associate Interview Questions and Answers

Q1. Why did you choose the flask over the django and fastapi?
Ans. 
I chose Flask over Django and FastAPI due to its simplicity, flexibility, and ease of use for smaller projects.
• Flask is lightweight and minimalistic, making it easier to set up and use for smaller projects.

• Flask allows for more flexibility in terms of project structure and customization compared to Django.

• Flask is well-suited for rapid prototyping and smaller applications where simplicity is key.

• Django, on the other ha...read more
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Q2. Write the code for flask request and response block?
Ans. 
Flask request and response block code snippet
• Use Flask's request object to access incoming request data

• Use Flask's jsonify function to create a JSON response

• Handle different HTTP methods like GET, POST, etc. in the route function
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Q1. What is ORM? which ORM tool, have you used?
Ans. 
ORM stands for Object-Relational Mapping, a programming technique for converting data between incompatible type systems in object-oriented programming languages.
• ORM is used to map objects from an application to tables in a relational database.

• It simplifies data manipulation by allowing developers to work with objects instead of SQL queries.

• Popular ORM tools include Hibernate for Java, Entity Framework for .NET, and Seq
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Q2. Write ORM code for select item from table?
Ans. 
Use ORM code to select item from a table in database.
• Use ORM query methods like find(), findOne(), or where() to select items from a table.

• Specify the table name and any conditions for the selection.

• Example: User.find({ where: { id: 1 } }) will select a user with id 1 from the User table.
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I was asked a problem around Edit distance and how to compute a average for a stream of data.

Q1. Nodejs promises async await difference
Ans. 
Node.js promises are a way to handle asynchronous operations, while async/await is a syntax for writing asynchronous code in a synchronous manner.
• Promises are objects that represent the eventual completion (or failure) of an asynchronous operation.

• Async/await is a syntactic sugar built on top of promises, making asynchronous code look more like synchronous code.

• Async functions return a promise, which allows you to use ...read more
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Q2. Nodejs architecture eventloop
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Q1. Tell me about yourself
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Q2. What is your strength
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Ensure low and order on India's brother

Q1. A round one you have more chances of getting branch of your choice because high number of seats are filled.
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Q2. Second round interview allow you to conduct a through evaluation of the most qualified candidate skills.
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Allow the employer to drive deeper into your skills values

Q1. Tell me about your self
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Q1. Avamar backup flow, processes Deduplication
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Q2. Restore file and folders
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