Vitrana Software Technologist Interview Questions and Answers

Q1. Can you provide information about yourself and your background?
Ans. 
I am a passionate software developer with a strong background in full-stack development and a keen interest in innovative technologies.
• Bachelor's degree in Computer Science from XYZ University.

• 5 years of experience in web development using JavaScript, React, and Node.js.

• Worked on a project that improved user engagement by 30% through UI enhancements.

• Contributed to open-source projects, including a popular library for d...read more
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Q2. What is your past experience and what roles have you held?
Ans. 
I have over 5 years of experience in software development, focusing on web applications and team collaboration.
• Worked as a Full Stack Developer at XYZ Corp, where I led a team to develop a responsive web application using React and Node.js.

• Served as a Software Engineer at ABC Inc., enhancing existing systems and implementing new features that improved user engagement by 30%.

• Interned at DEF Solutions, where I gained han...read more
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Take on one assignment task.

Code testing and ask a few questions.

Q1. Can you describe your project and your contributions, including what you have developed?
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Q2. How did you start developing your project?
Ans. 
I began my project by identifying a problem, researching solutions, and planning the development process step-by-step.
• Identified a specific problem: For example, I noticed that users struggled with task management.

• Conducted thorough research: I explored existing solutions and gathered user feedback to understand their needs.

• Defined project scope: I outlined the features and functionalities that would address the identi...read more
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Round duration - 60 minutes
Round difficulty - Medium

This was a technical Interview round with questions on C#, .NET and DBMS.

Q1. What is the difference between the Ref and Out keywords in C#?
Ans. 
Ref is used for passing arguments by reference, Out is used for returning multiple values.
• Ref keyword is used for passing arguments by reference, allowing the method to modify the original value.

• Out keyword is used for returning multiple values from a method, as it does not require the variable to be initialized before being passed.
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Q2. What is the difference between ViewData, ViewBag, and TempData in C#?
Ans. 
ViewData, ViewBag, and TempData are ways to pass data between controllers and views in ASP.NET MVC.
• ViewData is a dictionary object used to pass data from controller to view. It requires typecasting.

• ViewBag is a dynamic property used to pass data from controller to view. No typecasting is required.

• TempData is a dictionary object used to pass data from one controller to another or from one action to another.
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Q3. What is the difference between managed and unmanaged code in C#?
Ans. 
Managed code is executed by the CLR with memory management, while unmanaged code is executed directly by the operating system without memory management.
• Managed code is executed by the Common Language Runtime (CLR) in .NET framework.

• Unmanaged code is executed directly by the operating system without CLR.

• Managed code provides automatic memory management through garbage collection.

• Unmanaged code requires manual memory man...read more
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Q4. What are the different types of triggers in SQL Server?
Ans. 
Triggers in SQL Server are special types of stored procedures that are automatically executed when certain events occur in a database.
• Types of triggers include DML triggers (for INSERT, UPDATE, DELETE operations), DDL triggers (for CREATE, ALTER, DROP operations), and Logon triggers.

• Triggers can be set to fire before or after the triggering event.

• Examples of triggers include auditing changes to a table using an INSERT ...read more
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Q5. What are generic and non-generic collections in C#?
Ans. 
Generic collections in C# allow for type-safe collections, while non-generic collections do not enforce type safety.
• Generic collections use type parameters to specify the type of elements they can contain, ensuring type safety.

• Non-generic collections do not specify the type of elements they can contain, leading to potential runtime errors if incorrect types are used.

• Example of generic collection: List<string> nam...read more
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Round duration - 30 minutes
Round difficulty - Easy

This was a typical managerial round.

It was medium to difficult level test

Q1. Questions about core subjects like oops pillars
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Q2. Questions about projects, technologies used
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Q1. Why do you want to join this
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Q2. Your previous experience and questions about your background
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Q1. What is call,bind,apply
Ans. 
call, bind, and apply are methods used to manipulate the value of 'this' in JavaScript functions.
• Call invokes a function with a specified 'this' value and arguments provided individually.

• Bind creates a new function that, when called, has its 'this' keyword set to the provided value.

• Apply invokes a function with a specified 'this' value and arguments provided as an array.

• All three methods are used to control the value o...read more
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Q1. Explain about angular,nodejs,expressjs
Ans. 
Angular is a front-end framework, Node.js is a back-end runtime environment, and Express.js is a web application framework for Node.js.
• Angular is used for building dynamic single-page applications (SPAs) with HTML, CSS, and TypeScript.

• Node.js is used for building scalable network applications and is based on the V8 JavaScript engine.

• Express.js is a minimal and flexible Node.js web application framework that provides a ...read more
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Q1. About Ge healthcare ,culture,salary
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Q1. More about ge healthcare
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Two Easy questions to be solved

Q1. Some Technical based questions
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Q2. It was amazing . Interviewer asked me to code for heap sort and asked me to explain.
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Q3. Write a code for heap sort algorithm and explain it?
Ans. 
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
• Heap sort works by building a binary heap from the array and then repeatedly extracting the maximum element and placing it at the end of the array.

• The heap is maintained as a complete binary tree, where each parent node is greater than or equal to its children.

• The time complexity of heap sort is O(n log n) and it is an in-place sor...read more
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