Neerja Softwares Interview Questions and Answers

Q1. Rate yourself in js, node js, react, MongoDB (separately)
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Q2. Typeof null, typeof undefined, typeof {}, typeof NaN
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Q3. What changes came in es6
Ans. 
ES6 introduced several new features and improvements to JavaScript, making it more powerful and efficient.
• Arrow functions for more concise syntax

• Let and const for block-scoped variables

• Classes for easier object-oriented programming

• Template literals for easier string interpolation

• Default parameters and rest parameters for function arguments

• Destructuring assignment for easier data extraction

• Promises for asynchronous prog
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Q4. This keyword, closures, hoisting
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Q5. Are let and cont variables hoisted?
Ans. 
Yes, let and const variables are hoisted but not initialized.
• let and const variables are hoisted to the top of their block scope, but they are not initialized until the actual line of code is executed.

• This means that you cannot access a let or const variable before it is declared in the code.

• For example, trying to access a let variable before it is declared will result in a ReferenceError.
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Q6. What is global context
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Global context refers to the overall environment or setting in which something exists or operates.
• Global context encompasses all variables, functions, and objects that are accessible throughout an entire program.

• It can be thought of as the 'big picture' view of a program's execution.

• In web development, global context includes the window object in JavaScript.
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Q7. What is temporal deadzone
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Temporal dead zone is a period during the variable creation process where accessing the variable results in a ReferenceError.
• Occurs when trying to access a variable before it has been declared with let or const

• Happens due to the variable being in the temporal dead zone until it is declared

• Example: accessing a variable before its declaration will result in a ReferenceError
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Q8. What is modules? types of modules in nodejs
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Modules in Node.js are reusable blocks of code that encapsulate related functionality.
• Modules in Node.js can be built-in modules like fs (file system) or third-party modules like express.

• Modules help in organizing code into separate files for better maintainability and reusability.

• Modules can be imported using the require() function in Node.js.
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Q9. Index in mongodb, why we need index, is index good or bad?
Ans. 
Indexes in MongoDB improve query performance by allowing the database to quickly locate and retrieve specific documents.
• Indexes help to speed up query performance by allowing the database to quickly locate specific documents based on the indexed fields.

• Without indexes, MongoDB would have to perform a collection scan, which can be slow and resource-intensive.

• Indexes can be created on single fields or compound fields to ...read more
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Q10. What are hooks , use of useRef
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Hooks are a feature in React that allow you to use state and other React features in functional components. useRef is a hook that allows you to create a mutable object that persists for the lifetime of the component.
• Hooks are used to add state and lifecycle methods to functional components in React

• useRef is used to create a mutable reference that persists between renders

• useRef can be used to access DOM elements directl
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Q11. Fs module, http module, worker thread?
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Q12. Why we use mongoose not mongodb driver?
Ans. 
Mongoose is an Object Data Modeling (ODM) library for MongoDB that provides a higher level of abstraction and simplifies interactions with the database.
• Mongoose provides schema validation which helps maintain data integrity.

• Mongoose simplifies querying and data manipulation with built-in functions.

• Mongoose supports middleware functions for pre and post processing of data operations.
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Q1. Tell me about your self
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Q2. Why are you interested in the role
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I am passionate about driving organizational effectiveness and employee engagement through strategic HR initiatives.
• I have a strong background in HR strategy and business partnering

• I enjoy collaborating with cross-functional teams to drive positive change

• I am excited about the opportunity to make a meaningful impact on the organization's culture and performance
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Q3. Talking about Intersted in which things that do in free time
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4 easy level questions will be asked basically from arrays and strings.

Assignment will be given after clearing coding round. In my case ELearning Platform project was given and 7 days time was given to complete.

Q1. DBMS questions like ACID properties, database transaction. Etc
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Q2. Project related questions
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Q3. Basic and conceptual questions of frameworks you know
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Q4. Basic coding questions like armstrong number, palendromic sequence, recursion
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Q1. How would you utilize AWS or Azure services to create scalable web applications
Ans. 
Utilize AWS or Azure services for scalable web applications
• Use AWS Elastic Beanstalk or Azure App Service for easy deployment and scaling

• Leverage AWS Lambda or Azure Functions for serverless computing

• Utilize AWS Auto Scaling or Azure Autoscale to automatically adjust resources based on traffic

• Store data in AWS RDS or Azure SQL Database for scalable database solutions

• Use AWS CloudFront or Azure CDN for content delivery
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Q2. How would you tackle memory leaks if the system your working on was experiencing this issue?
Ans. 
I would use memory profiling tools to identify the source of the leaks and then fix them by properly managing memory allocation and deallocation.
• Use memory profiling tools like Valgrind or Instruments to identify the source of the leaks

• Review the code to ensure proper memory allocation and deallocation practices are being followed

• Implement smart pointers or garbage collection to automatically manage memory

• Use static co...read more
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Q3. Have you worked on legacy systems?
Ans. 
Yes, I have experience working on legacy systems.
• I have successfully maintained and upgraded legacy systems to meet current business needs.

• I have refactored legacy code to improve performance and scalability.

• I have integrated new technologies with legacy systems to enhance functionality.

• I have experience troubleshooting and debugging issues in legacy systems.
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Q1. Are you capable to work with cross functional teams and handle disputes effectively
Ans. 
Yes, I have experience working with cross functional teams and resolving disputes effectively.
• I have successfully collaborated with team members from different departments to achieve project goals.

• I am skilled at mediating conflicts and finding mutually beneficial solutions.

• I prioritize open communication and actively listen to all team members' perspectives.

• I have experience using conflict resolution techniques such a
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Q1. Difference between function and method
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A function is a piece of code that is called by name, while a method is a function that is associated with an object.
• Functions are standalone blocks of code, while methods are functions that are part of a class or object.

• Functions can be called independently, while methods are called on an object.

• Functions do not have access to data stored in an object, while methods can access and modify object data.
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Q2. A program related to strings
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Q3. A program related to prime numbers
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Basically It is a list of 25 questions having mix of Resoning,Aptitude &English. Each Queztion carries 2 marks and also there was a plus point that it doesn't have any negative marks

Q1. Basically it is about the Technical Subjects that U mention eariler in your coresponding CV's. Whatever Subject you meantioned their gonna answer about it for tge questions regarding to that subject
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Q1. Brief Description about Youself
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I am a passionate software developer with a strong background in computer science and a love for problem-solving.
• Graduated with a degree in Computer Science from XYZ University

• Proficient in programming languages such as Java, Python, and C++

• Experience with web development using HTML, CSS, and JavaScript

• Completed internships at ABC Company and DEF Company

• Participated in coding competitions like Codeforces and LeetCode
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Q2. What is your goal in Life
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My goal in life is to continuously learn and grow, both personally and professionally, while making a positive impact on others.
• Continuous learning and self-improvement

• Making a positive impact on others

• Achieving personal and professional growth

• Contributing to the community or society

• Finding fulfillment and happiness in my pursuits
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Q3. What do you know about tgis job Profile
Ans. 
Software Developer Trainee involves learning and applying software development skills under supervision.
• Learning programming languages and tools

• Assisting in developing and testing software applications

• Participating in team meetings and code reviews

• Receiving mentorship and guidance from senior developers
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Q4. Why should we hire you instead of all achoknowledgable freshers sitting behind for this job role ?
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Q5. What are ur hobbies and strengths and weeknesses
Ans. 
My hobbies include coding, reading, and playing video games. My strengths are problem-solving, attention to detail, and adaptability. My weaknesses are public speaking and time management.
• Hobbies: coding, reading, playing video games

• Strengths: problem-solving, attention to detail, adaptability

• Weaknesses: public speaking, time management
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Q6. Why you want to do this job role
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I am passionate about coding and problem-solving, and I believe this job role will provide me with the opportunity to learn and grow as a software developer.
• Passionate about coding and problem-solving

• Opportunity to learn and grow as a software developer

• Excited about the challenges and projects in this role
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Q7. Why you want to join us instead of other good companies.
Ans. 
I am drawn to your company's innovative projects and collaborative work culture.
• I am impressed by the cutting-edge technologies your company is using.

• I value the emphasis your company places on teamwork and professional development.

• I believe my skills and passion align well with the opportunities at your company.
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Q8. How you balance yourself in a fatal situation
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I remain calm, assess the situation, prioritize tasks, and take necessary actions to mitigate the risk.
• Stay calm and composed to think clearly

• Assess the situation to understand the severity

• Prioritize tasks based on urgency

• Take necessary actions to mitigate the risk
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Q9. If you alredy working under a company but want to switch it then the questions will remain same but just add some 2 to 3 extra questions like i am meantioning it down👇
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Q10. What was ur job profile
Ans. 
I was responsible for developing and maintaining software applications.
• Developed new features and functionalities for existing software applications

• Fixed bugs and issues reported by users

• Collaborated with team members to design and implement solutions

• Participated in code reviews and testing processes
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Q11. How do u know about our company
Ans. 
Researched online, read about company culture, projects, and achievements.
• Visited company website and read about the services offered

• Checked out company's LinkedIn page for updates and employee reviews

• Read articles or news related to the company's recent projects or achievements
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Q12. Did u Resign by ur own or The comapny Resign you ??
Ans. 
I resigned from my previous position voluntarily.
• I resigned from my previous job on my own accord.

• I made the decision to leave the company.

• I chose to resign from my previous role.

• I voluntarily left my previous position.
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Q13. What was ur salary their
Ans. 
I am not comfortable sharing my previous salary information.
• I prefer not to disclose my previous salary as it is confidential information.

• I believe that my salary history should not be a determining factor for my potential as a Software Developer Trainee.

• I am more focused on the opportunities and growth potential that this position offers rather than past salary.

• I am confident that my skills and qualifications align wi...read more
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Q14. Incase u alredy have an experience in a better company then interviewer ask this -* why joing us instead u have an magnificent well role on your comapny*
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Q1. How does the virtual DOM improve performance?
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Q2. It minimize direct DOM updates, reducing reflows are repaints.
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Q1. What you currently work?
Ans. 
I am currently working as a project manager at a software development company.
• Leading a team of developers and designers to deliver projects on time and within budget

• Creating project plans, setting milestones, and tracking progress

• Communicating with clients to gather requirements and provide updates

• Ensuring quality assurance and testing processes are followed

• Managing project risks and issues
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Q2. What is your CTC
Ans. 
My current CTC is $100,000 per year.
• My current CTC is $100,000 per year

• I am open to discussing compensation based on the role and responsibilities

• I have experience negotiating salary packages in previous roles
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Q3. Where you stay and able to come office
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I currently reside in the city and am able to commute to the office daily.
• I live in the city and have easy access to transportation to come to the office.

• I am willing to relocate if necessary for the job.

• I have a reliable mode of transportation to commute to the office.

• I am open to discussing flexible work arrangements if needed.
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Q1. Technical work related questions
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Q2. Will you be able to work in scenario where there are cross functional team
Ans. 
Yes, I have experience working with cross functional teams and understand the importance of collaboration and communication.
• I have successfully managed projects involving cross functional teams in my previous roles.

• I believe in the value of diverse perspectives and skills that cross functional teams bring to a project.

• I am adept at facilitating communication and resolving conflicts that may arise within cross functiona...read more
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Q1. Where do you work?
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I work at a multinational technology company headquartered in Silicon Valley.
• Multinational technology company

• Headquartered in Silicon Valley
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Q2. Explain your work process
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My work process involves planning, organizing, executing, and monitoring projects to ensure successful completion.
• Develop project plans outlining goals, timelines, and resources

• Assign tasks to team members based on their skills and expertise

• Regularly communicate with stakeholders to provide updates and address any issues

• Monitor progress and adjust plans as needed to stay on track

• Evaluate project outcomes to identify ar
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Q3. Will you ve able to work on apps have knowledge to lead
Ans. 
Yes, I have experience working on apps and leading teams with knowledge in project management.
• I have experience working on various apps and leading teams to successful project completion.

• I am knowledgeable in project management principles and methodologies.

• I have successfully led cross-functional teams in app development projects.

• I am confident in my ability to work on apps and lead teams effectively.
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