Full-Stack Development (React/Node):
2026 Exam Questions
Modern Web Architecture & Engineering (100 Questions)
1. What is the primary benefit of React Server Components (RSC)?
A) They increase the size of the client-side bundle
B) They allow components to render on the server and reduce the amount of JavaScript sent to
the browser
C) They replace the need for a database
D) They make CSS-in-JS faster
Correct Answer: B) They allow components to render on the server and reduce the
amount of JavaScript sent to the browser
2. In 2026, which runtime is often used as a fast alternative to Node.js for bundling and
execution?
A) Python
B) Bun
C) PHP-CGI
D) Ruby on Rails
Correct Answer: B) Bun
3. What is the purpose of the useActionState hook in modern React?
A) To manage global Redux state
B) To handle form state and server actions with built-in pending states
C) To trigger hardware vibrations on mobile
D) To encrypt local storage
Correct Answer: B) To handle form state and server actions with built-in pending states
,4. "Hydration" in the context of Full-Stack React refers to:
A) Cleaning the code from bugs
B) The process of attaching event listeners to static HTML sent from the server
C) Adding more water to the cooling system
D) Compressing images for faster loading
Correct Answer: B) The process of attaching event listeners to static HTML sent from the
server
5. What is "Edge Computing" in web deployment?
A) Programming while sitting on the edge of a chair
B) Running code on servers physically closer to the user to reduce latency
C) Only using the latest version of the Edge browser
D) Writing code that is high-risk
Correct Answer: B) Running code on servers physically closer to the user to reduce
latency
6. In a Node.js environment, what is the "Event Loop"?
A) A way to play music on repeat
B) The mechanism that allows Node.js to perform non-blocking I/O operations
C) A design pattern for CSS animations
D) A tool for managing database backups
Correct Answer: B) The mechanism that allows Node.js to perform non-blocking I/O
operations
7. What does "Middleware" do in an Express.js or Hono server?
A) It styles the middle part of a webpage
B) Functions that have access to the request and response objects to perform tasks before the
final route handler
C) It manages the hardware of the server
D) It converts JavaScript to Python
, Correct Answer: B) Functions that have access to the request and response objects to
perform tasks before the final route handler
8. Which of these is a "Type-Safe" ORM commonly used in 2026 for Node.js?
A) jQuery
B) Prisma (or Drizzle)
C) Bootstrap
D) Notepad++
Correct Answer: B) Prisma (or Drizzle)
9. "Optimistic UI" updates are:
A) Updates that only happen when the user is happy
B) Updating the UI immediately assuming the server request will succeed
C) Only showing positive reviews to the user
D) Making the font brighter
Correct Answer: B) Updating the UI immediately assuming the server request will
succeed
10. What is "Zustand" in the React ecosystem?
A) A new version of Windows
B) A lightweight state management library
C) A specialized server for hosting images
D) A programming language for AI
Correct Answer: B) A lightweight state management library
11. In 2026, "Server Actions" allow you to:
A) Restart the server from the browser console
B) Define server-side functions that can be called directly from client-side components
C) Watch movies on the server
2026 Exam Questions
Modern Web Architecture & Engineering (100 Questions)
1. What is the primary benefit of React Server Components (RSC)?
A) They increase the size of the client-side bundle
B) They allow components to render on the server and reduce the amount of JavaScript sent to
the browser
C) They replace the need for a database
D) They make CSS-in-JS faster
Correct Answer: B) They allow components to render on the server and reduce the
amount of JavaScript sent to the browser
2. In 2026, which runtime is often used as a fast alternative to Node.js for bundling and
execution?
A) Python
B) Bun
C) PHP-CGI
D) Ruby on Rails
Correct Answer: B) Bun
3. What is the purpose of the useActionState hook in modern React?
A) To manage global Redux state
B) To handle form state and server actions with built-in pending states
C) To trigger hardware vibrations on mobile
D) To encrypt local storage
Correct Answer: B) To handle form state and server actions with built-in pending states
,4. "Hydration" in the context of Full-Stack React refers to:
A) Cleaning the code from bugs
B) The process of attaching event listeners to static HTML sent from the server
C) Adding more water to the cooling system
D) Compressing images for faster loading
Correct Answer: B) The process of attaching event listeners to static HTML sent from the
server
5. What is "Edge Computing" in web deployment?
A) Programming while sitting on the edge of a chair
B) Running code on servers physically closer to the user to reduce latency
C) Only using the latest version of the Edge browser
D) Writing code that is high-risk
Correct Answer: B) Running code on servers physically closer to the user to reduce
latency
6. In a Node.js environment, what is the "Event Loop"?
A) A way to play music on repeat
B) The mechanism that allows Node.js to perform non-blocking I/O operations
C) A design pattern for CSS animations
D) A tool for managing database backups
Correct Answer: B) The mechanism that allows Node.js to perform non-blocking I/O
operations
7. What does "Middleware" do in an Express.js or Hono server?
A) It styles the middle part of a webpage
B) Functions that have access to the request and response objects to perform tasks before the
final route handler
C) It manages the hardware of the server
D) It converts JavaScript to Python
, Correct Answer: B) Functions that have access to the request and response objects to
perform tasks before the final route handler
8. Which of these is a "Type-Safe" ORM commonly used in 2026 for Node.js?
A) jQuery
B) Prisma (or Drizzle)
C) Bootstrap
D) Notepad++
Correct Answer: B) Prisma (or Drizzle)
9. "Optimistic UI" updates are:
A) Updates that only happen when the user is happy
B) Updating the UI immediately assuming the server request will succeed
C) Only showing positive reviews to the user
D) Making the font brighter
Correct Answer: B) Updating the UI immediately assuming the server request will
succeed
10. What is "Zustand" in the React ecosystem?
A) A new version of Windows
B) A lightweight state management library
C) A specialized server for hosting images
D) A programming language for AI
Correct Answer: B) A lightweight state management library
11. In 2026, "Server Actions" allow you to:
A) Restart the server from the browser console
B) Define server-side functions that can be called directly from client-side components
C) Watch movies on the server
