Self-introduction Can you provide a detailed introduction about yourself, including your background, skills, and experiences relevant to the position you’re applying for? What motivated you to pursue this career path? Project-related questions Can you elaborate on the projects you’ve worked on? What challenges did you face during the development process, and how did you overcome them? Could you explain the technologies and tools you used in your projects? About SSL What is SSL (Secure Sockets Layer), and why is it important in web development and internet security? How does SSL ensure secure communication between a client and server? Architecture and its types Could you explain what software architecture is and describe its different types (e.g., monolithic, microservices, layered, etc.)? How do you decide which architecture to use for a specific project? What is ML and its types Can you define Machine Learning (ML) and explain the different types of ML, such as supervised learning, unsupervised learning, and reinforcement learning? How do these types of ML differ in their approach? Block-level and inline elements What is the difference between block-level and inline elements in HTML? Could you provide examples of each and explain how they behave in a webpage layout? Elements in HTML Can you list and describe the main elements of HTML, such as headings, paragraphs, links, images, forms, etc.? How do you use them to structure a webpage effectively? React Hook What are React Hooks, and how do they improve functional components in React? Can you give examples of commonly used hooks such as useState, useEffect, and useContext? What is Express.js and why is it used What is Express.js, and why is it a popular choice for building web applications? How does it simplify the process of creating server-side applications using Node.js? Asked about a service in the Application layer Can you explain what the application layer is in the OSI model and describe its function in the context of a web application? How do services at the application layer communicate with other layers? List operations in REST API What are the common operations that can be performed using a RESTful API? How do methods like GET, POST, PUT, DELETE, and PATCH relate to these operations? Patch vs Post What is the difference between the PATCH and POST HTTP methods? When would you use PATCH over POST, and what is the significance of each in terms of modifying data on the server? What is Node.js Can you explain what Node.js is and why it is used for building server-side applications? How does it handle concurrent requests efficiently, and what makes it different from traditional server-side languages? Your future project or main projects Could you talk about the main projects you are currently working on or planning to work on in the future? What are your goals and objectives for these projects, and what technologies do you plan to use? What is a firewall Can you explain what a firewall is and how it works to protect a network or system? What types of firewalls exist (e.g., software, hardware), and how do they help mitigate security threats? What is a router What is the role of a router in a computer network? How does a router differ from a switch, and how does it help direct network traffic between different devices or networks? About the Application Layer and its processes Can you explain in more detail what the application layer is in the OSI model? What are the typical processes and protocols that operate at this layer to ensure communication between applications? Inline styling vs External styling in CSS What is the difference between inline styling and external styling in CSS? What are the advantages and disadvantages of each approach in terms of maintainability, performance, and scalability? How will you implement designing in React How would you implement design and styling in a React application? Do you prefer using CSS, CSS-in-JS libraries like styled-components, or any other styling methodology? Why TCS Why are you interested in working at TCS (Tata Consultancy Services)? What attracts you to the company, and what do you know about its work culture, projects, and technological innovations?