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I applied via Recruitment Consulltant and was interviewed before Feb 2023. There were 3 interview rounds.
JavaScript, React Js
I appeared for an interview in Nov 2022.
Strong appitude knowledge is required.
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple ...
I appeared for an interview in Jun 2025, where I was asked the following questions.
preventDefault() in React prevents the default action of an event from occurring, allowing for custom behavior.
Used in event handlers to stop default browser actions, e.g., preventing form submission.
Example: <form onSubmit={(e) => { e.preventDefault(); handleSubmit(); }}>...</form>
Useful for handling custom validation before submission.
Can be applied to links to prevent navigation: <a href='#' onClic...
server.js is a crucial file in Node.js applications, managing server configurations and routing requests.
Acts as the entry point for a Node.js application, initializing the server.
Handles incoming requests and routes them to appropriate handlers.
Configures middleware for processing requests, such as body parsing or logging.
Can define API endpoints, e.g., app.get('/api/users', (req, res) => { ... });
Facilitates conne...
Tailwind CSS offers utility-first styling, promoting faster development and easier maintenance compared to traditional CSS.
Utility-first approach: Tailwind provides utility classes like 'bg-blue-500' for background color, reducing the need for custom CSS.
Faster prototyping: With pre-defined classes, developers can quickly build layouts without writing extensive CSS.
Responsive design: Tailwind includes responsive utilit...
I appeared for an interview in Jan 2025, where I was asked the following questions.
Absolute xpath specifies the complete path from the root element to the desired element, while relative xpath specifies the path relative to the current element.
Absolute xpath starts with a single forward slash (/) and is more specific.
Relative xpath starts with a double forward slash (//) and is more flexible.
Absolute xpath is more prone to breaking if the structure of the page changes.
Relative xpath is easier to main...
I appeared for an interview in Mar 2025, where I was asked the following questions.
Supervised learning uses labeled data for training, while unsupervised learning identifies patterns in unlabeled data.
Supervised learning requires labeled datasets, e.g., predicting house prices based on features like size and location.
Unsupervised learning works with unlabeled data, e.g., clustering customers based on purchasing behavior.
In supervised learning, the model is trained to minimize error between predicted ...
Key considerations for RESTful API design include resource identification, statelessness, and error handling strategies.
Use meaningful resource URIs (e.g., /users, /products).
Implement HTTP methods correctly: GET for retrieval, POST for creation, PUT for updates, DELETE for removal.
Ensure statelessness: each request should contain all necessary information.
Use appropriate status codes (e.g., 200 for success, 404 for no...
Designing a scalable backend for a learning management system requires careful planning for performance, reliability, and security.
Use microservices architecture to allow independent scaling of components like user management, course content, and analytics.
Implement load balancers to distribute traffic evenly across servers, ensuring no single point of failure.
Utilize a cloud provider (e.g., AWS, Azure) for auto-scalin...
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