Excelra Knowledge Solutions Junior Software Developer Interview Questions and Answers

Q1. How many years do you have the experience in ____ (programming language you have applied for)
Ans. 
I have X years of experience in ____.
• Worked with ____ for X years on various projects

• Proficient in ____ with experience in developing complex applications

• Have completed multiple courses and certifications in ____

• Contributed to open-source projects in ____
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Q2. What type of projects do you have the experience to do
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Q1. What are you like to do
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Q2. What are the hobbies you have
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Q3. What's your weak point you feel that you have
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Q4. How you are trying to overcome your week points
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Q1. All about angular basic and deep questioning
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Q1. Basic routing and SPA
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Q1. Detail qbout angular and node js
Ans. 
Angular is a front-end framework while Node.js is a back-end runtime environment.
• Angular is used for building dynamic web applications with a focus on the client-side.

• Node.js is used for building server-side applications with JavaScript.

• Angular uses TypeScript for building applications while Node.js uses JavaScript.

• Angular has a large community and a lot of pre-built components while Node.js has a vast library of modul...read more
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Q1. Salary discussion as per interview
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Q1. OOPS cocept,mvc,core,api
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Q2. Oops concept,mvc,core,api
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Q1. Oops concept,mvc,web api,project description
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Q1. 1.Tell me about your self 2.Where do you se yourself after 5 years 3.About projects and intership 4.one coding question in python
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Q1. Binary search implementation
Ans. 
Binary search is a fast search algorithm that finds the position of a target value within a sorted array.
• Binary search works by repeatedly dividing the search interval in half.

• It compares the target value with the middle element of the array.

• If the target value is equal to the middle element, the position is found.

• If the target value is less than the middle element, the search continues on the lower half of the array.

• I...read more
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Q2. Quick sort code implementation
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
• Divide the array into two sub-arrays based on a pivot element

• Recursively sort the sub-arrays

• Combine the sorted sub-arrays to get the final sorted array
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Q1. Explain the Lifecycle of MVC and the deployment process.
Ans. 
MVC lifecycle involves Model, View, and Controller interactions, while deployment ensures the application is live and accessible.
• 1. Model: Represents data and business logic. Example: A User model that interacts with a database.

• 2. View: Displays data to the user. Example: HTML templates rendering user information.

• 3. Controller: Handles user input and updates the model. Example: A login controller processing user creden...read more
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Q2. What is CTE and syntax of same ?
Ans. 
CTE stands for Common Table Expression, a temporary result set in SQL used for complex queries.
• CTE is defined using the WITH clause.

• It can be recursive or non-recursive.

• Example syntax: WITH CTE_Name AS (SELECT column1 FROM table) SELECT * FROM CTE_Name;

• CTEs improve readability and organization of SQL queries.

• They can be referenced multiple times within a query.
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Q3. What is CORS (Cross Origin Resource Sharing) ?
Ans. 
CORS is a security feature that allows restricted resources on a web page to be requested from another domain outside the domain from which the resource originated.
• CORS is implemented via HTTP headers that allow servers to specify who can access their resources.

• For example, a web application on 'example.com' can request resources from 'api.example.com' if CORS is enabled.

• The 'Access-Control-Allow-Origin' header is cruc...read more
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Q4. What is Bundling and Minification ?
Ans. 
Bundling and minification optimize web assets by reducing file size and number of requests, improving load times and performance.
• Bundling combines multiple files (e.g., JavaScript, CSS) into a single file to reduce HTTP requests.

• Minification removes unnecessary characters (like whitespace and comments) from code to decrease file size.

• Example of bundling: Combining 'script1.js', 'script2.js', and 'script3.js' into 'bund...read more
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Q5. What is HTML helper ?
Ans. 
HTML helpers are functions that simplify the generation of HTML markup in web applications, enhancing code readability and maintainability.
• HTML helpers are often used in MVC frameworks to generate HTML elements easily.

• Common HTML helpers include methods for creating forms, links, and other UI components.

• Example: In ASP.NET MVC, Html.TextBoxFor() generates an input element for a model property.

• HTML helpers promote DRY (...read more
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Q1. Angular lifecycle hooks, directives, modules
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Q2. Angular forms module, application bootstrap process
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Given JavaScript's complex logic on array and list