Rao Information Technology Web Developer Trainee Interview Questions and Answers

Q1. Tell me about yourself
Ans. 
I am a passionate web developer with 5 years of experience in front-end and back-end development.
• 5 years of experience in web development

• Skilled in front-end and back-end development

• Passionate about creating user-friendly and efficient websites
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Q2. Rate yourself in different technologies
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I rate myself highly in HTML, CSS, JavaScript, and React.
• HTML - Proficient in creating semantic and accessible web pages

• CSS - Skilled in styling and layout design, including responsive design

• JavaScript - Strong understanding of core concepts and modern ES6+ features

• React - Experienced in building interactive and dynamic web applications
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Q3. Technical questions
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Implement a web page as per description

Q1. Experience of past working
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A simple web application of To-Do list using react.js/vue.js technology

Q1. Basic to mid level html QnA.
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Q2. Basic css3 QnA and few simple task usnig css3.
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Q3. Few JS basic QnA and simple arr/obj method coding task
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Q4. React.js/vue.js QnA and few simple task to perform using JS Lib/frame.
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Q1. Started with self intro then ask about education, gaps and skills asked me show my major project and explain to him(he continuously asked qs on my project)
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Q2. 2-3 situational based qs
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Prime Numbers Questions

Q1. Normal Question
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Q2. Basic Questions
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Basic multiple choice questions based on c# ,sql serve, pseudo code all are basics

Q1. Oops concepts,SQL query based on joins,sub query ,basic javascript
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It will take 60-90 minutes

Q1. Ask Industrial POV questions
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Q1. Questions based on javascript, html, css .it will be based on what role you are applying for
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Q2. Css flexbox, box model, html doctype, semantic tags javascript asynchronous , localstorage etc
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Q1. What are the different types of SQL joins.what is the difference between them
Ans. 
SQL joins are used to combine data from two or more tables based on a related column between them.
• Inner join returns only the matching rows from both tables

• Left join returns all rows from the left table and matching rows from the right table

• Right join returns all rows from the right table and matching rows from the left table

• Full outer join returns all rows from both tables

• Cross join returns the Cartesian product of bo
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Q2. What is a stored procedure and how different is it from function
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A stored procedure is a precompiled set of SQL statements that can be called by name, while a function returns a value.
• Stored procedures are used to perform a specific task, such as inserting or updating data in a database.

• Functions return a value, while stored procedures do not necessarily return a value.

• Stored procedures can be called from within other SQL statements, while functions cannot.

• Stored procedures can have...read more
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Q3. Explain MVC in detail
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MVC is a software design pattern that separates an application into three interconnected components: Model, View, and Controller.
• Model represents the data and business logic of the application

• View is responsible for rendering the user interface

• Controller handles user input and updates the model and view accordingly

• MVC promotes separation of concerns and modularity

• MVC is widely used in web development frameworks like Ru
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Q1. How we can redirect to different page in MVC
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In MVC, we can redirect to a different page using the RedirectToAction method.
• Use the RedirectToAction method in the controller action method

• Pass the action name and controller name as parameters to the method

• Optionally, pass route values as a parameter to the method

• Example: return RedirectToAction("Index", "Home");
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Q2. What is index and it's types
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Index is a pointer to a specific element in an array or database table.
• Indexes improve query performance by reducing the number of rows that need to be scanned.

• Types of indexes include clustered, non-clustered, unique, and composite indexes.

• Clustered indexes determine the physical order of data in a table, while non-clustered indexes create a separate structure.

• Unique indexes ensure that each value in the index column ...read more
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Q3. Difference between tempdata and session in MVC
Ans. 
TempData stores data for a single request while Session stores data for multiple requests.
• TempData is used to store data temporarily for a single request.

• Session is used to store data for multiple requests.

• TempData is cleared after a single request while Session data persists until the session expires or is cleared.

• TempData is useful for passing data between actions while Session is useful for maintaining user-specific
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