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Knobee Social Interview Questions and Answers
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3 interviews found
Anonymous
Selected
I applied via Walk-in and was interviewed before Oct 2023. There were 2 interview rounds.
(2 Questions)
- Q1. What is static function
- Ans.
A static function is a function that is associated with a class rather than an instance of the class.
Static functions can be called without creating an instance of the class.
They are commonly used for utility functions that do not require access to instance-specific data.
Static functions are declared using the 'static' keyword in many programming languages.
Example: 'Math.max()' in JavaScript is a static function.
- Q2. What is design pattern
- Ans.
Design pattern is a reusable solution to a commonly occurring problem in software design.
Design patterns help in creating maintainable, scalable, and reusable code.
They provide a common language for developers to communicate about solutions.
Examples include Singleton, Factory, Observer, and Strategy patterns.
(2 Questions)
- Q1. What is architectural pattern
- Ans.
Architectural pattern is a reusable solution to a recurring problem in software architecture design.
Architectural patterns provide guidelines and best practices for structuring software systems.
Examples include Model-View-Controller (MVC), Layered Architecture, and Microservices.
They help in organizing code, improving scalability, and enhancing maintainability.
- Q2. What is inheritance
- Ans.
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Allows a class to inherit attributes and methods from another class
Promotes code reusability and reduces redundancy
Creates a parent-child relationship between classes
Derived class can override or extend the functionality of the base class
Interview Preparation Tips
Skills evaluated in this interview
Software Engineer Interview Questions asked at other Companies
(1 Question)
- Q1. About project and all
Front end Developer Interview Questions asked at other Companies
Selected
I applied via Walk-in and was interviewed before Dec 2023. There was 1 interview round.
(2 Questions)
- Q1. About projects and education
- Q2. About css and javascript
Front end Developer Interview Questions asked at other Companies
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I applied via LinkedIn
Interview Questionnaire
5 Questions
- Q1. 1.what is strict Mode in react. 2.Virtual Dom. 3,react and html difference
- Q2. What is redux
- Ans.
Redux is a predictable state container for JavaScript apps.
Redux is a library for managing application state
It provides a centralized store for all the state of an application
It uses a single source of truth principle
It allows for predictable state changes through actions and reducers
It is commonly used with React for building complex UIs
- Q3. What is jquery? 2.explain architecture of your project.
- Ans.
jQuery is a fast, small, and feature-rich JavaScript library.
jQuery simplifies HTML document traversing, event handling, and animating.
It provides a set of methods for AJAX interactions and DOM manipulation.
jQuery is cross-platform and supports a wide range of browsers.
It has a large community and a vast number of plugins available.
Project architecture depends on the specific project and its requirements.
- Q4. Form validation in react
- Ans.
Form validation in React ensures user input is correct before submission.
Use controlled components to manage form state
Create validation functions to check input
Display error messages for invalid input
Disable submit button until form is valid
Consider using a library like Formik or Yup for easier validation
- Q5. React hooks explanation
- Ans.
React hooks are functions that allow functional components to use state and lifecycle methods.
Hooks were introduced in React 16.8
useState() is a hook that allows state to be used in functional components
useEffect() is a hook that allows lifecycle methods to be used in functional components
Custom hooks can be created to reuse stateful logic across components
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Skills evaluated in this interview
Interview Questionnaire
3 Questions
- Q1. 1. Basic html schemantics
- Q2. 2. Pure JS
- Q3. 3. Angular advance
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Nov 2022. There were 3 interview rounds.
An aptitude test is a way for employers to assess a candidate's abilities through a variety of different testing formats. Aptitude tests will test your ability to perform tasks and react to situations at work. This includes problem-solving, prioritisation and numerical skills, amongst other things.
An assignment is the transfer of rights or property. In financial markets, it is a notice to an options writer that the option has been exercised.
Interview Preparation Tips
While every job-search experience is different, it's helpful to hear from others who are in or have been in the same boat as you. Here, experts and past job seekers share some of their best advice for landing your dream role:
I applied via Naukri.com and was interviewed in Feb 2024. There were 3 interview rounds.
(4 Questions)
- Q1. What is react and it's advantage
- Ans.
React is a JavaScript library for building user interfaces.
React allows for the creation of reusable UI components
It uses a virtual DOM for efficient rendering
React is declarative, making it easier to understand and debug code
- Q2. React life cycle
- Q3. Questions related to Redux
- Q4. Simple app using redux
- Ans.
Creating a simple app using Redux for state management in a front end application.
Set up Redux store with reducers and actions
Connect components to Redux store using mapStateToProps and mapDispatchToProps
Dispatch actions to update state in Redux store
Use combineReducers to manage multiple reducers
(2 Questions)
- Q1. Previous project
- Q2. Agile process followed in project
- Ans.
Agile process involves iterative development, frequent collaboration, and adaptability to changes.
Daily stand-up meetings to discuss progress and roadblocks
Sprints for focused development and testing
Continuous feedback and iteration based on user input
Use of tools like Jira or Trello for project management
(2 Questions)
- Q1. Salary discussion
- Q2. Work location discussion
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview before Feb 2024.
(2 Questions)
- Q1. This is often the first question. Focus on your professional background, your key skills, and how your experiences align with the job you're applying for.
- Q2. Show that you’ve done your research about the company. Talk about how your values align with the company’s mission, and why the role interests you.
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Nov 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Topics in angular, javascript and UI related
- Q2. Important concepts in angular like architecture, observables
Interview Preparation Tips
Front end Developer Interview Questions & Answers
Tech Mahindra
satwik tellakula
posted on 17 Jul 2024
(2 Questions)
- Q1. Controlled and Un Controlled components
- Q2. Hooks in functional components
- Ans.
Hooks are functions that let you use state and other React features in functional components.
Hooks were introduced in React 16.8.
useState() hook is used to add state to functional components.
useEffect() hook is used for side effects in functional components.
Custom hooks can be created to reuse logic across components.
Developing features of Shopping Cart page like add to cart,remove from cart
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