Excellence Technologies Interview Questions, Process, and Tips

Q1. About javascript and react js
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Q2. React js and javascript
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Q1. What rest api and introduction and about project whose mention resume.
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Q1. What is react
Ans. 
React is a JavaScript library for building user interfaces, particularly for single-page applications, using a component-based architecture.
• Component-Based: React allows developers to build encapsulated components that manage their own state, making code reusable. Example: <Button /> component.

• Virtual DOM: React uses a virtual representation of the DOM to optimize rendering and improve performance. Changes are ba...read more
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Q2. Hooks in react
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React Hooks are functions that let you use state and lifecycle features in functional components.
• Hooks allow functional components to manage state using the useState hook. Example: const [count, setCount] = useState(0);

• useEffect hook enables side effects in functional components, replacing lifecycle methods. Example: useEffect(() => { /* effect */ }, [dependencies]);

• Custom hooks can be created to encapsulate reusabl...read more
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Q3. What is redux explain in detail.
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Redux is a predictable state container for JavaScript apps, enabling centralized state management and efficient UI updates.
• Centralized State Management: Redux maintains the application state in a single store, making it easier to manage and debug.

• Actions: Actions are plain JavaScript objects that describe what happened in the application. Example: { type: 'ADD_TODO', payload: 'Learn Redux' }

• Reducers: Reducers are pure ...read more
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Q4. Second largest number
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You have to give aptitude test, Javascript test then you will asked for interview.

Q1. You will be told for salary details and holding amount etc. Alternate Saturday are off.
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Q2. Doubt Solve and Salary details
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Tell me about yourself.
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Gave 2 tasks create a simple to do list and parse a json to form a Web page

Q1. Asked questions about javascript and gave a problem to check logic
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Q1. Where do you see yourself in 3 years
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Q1. Info about the acedemics
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Q2. Any projects that you have worked on
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Developed a React-based e-commerce website
• Implemented a responsive design using React and Bootstrap

• Integrated payment gateway using Stripe API

• Implemented user authentication and authorization using Firebase

• Developed a search functionality using Algolia search API
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Basics of javascript and react