| 1 | What problem does the Context API solve in React? React › Context API | React | Context API | Beginner |
| 2 | What is a common real world use case for the Context API besides sharing a theme? React › Context API | React | Context API | Beginner |
| 3 | How do you create and use a custom Context in React step by step? React › Context API | React | Context API | Intermediate |
| 4 | How would you build a custom hook to make using a specific Context simpler and safer? React › Context API | React | Context API | Intermediate |
| 5 | Why can overusing Context sometimes hurt performance in a large React app? React › Context API | React | Context API | Advanced |
| 6 | What is the provider pattern in React and how does it relate to the Context API? React › Design Patterns in React | React | Design Patterns in React | Advanced |
| 7 | How would you combine useReducer with the Context API to share complex state across many components? React › useReducer & Complex State Logic | React | useReducer & Complex State Logic | Advanced |
| 8 | What is the AsyncLocalStorage API, and what problem does it solve for tracking context across asynchronous calls? Node.js › Advanced Node.js | Node.js | Advanced Node.js | Advanced |
| 9 | How do you decide between using Context, a state management library, or simply lifting state up? React › State Management | React | State Management | Advanced |
| 10 | What is the difference between HTTP methods GET, POST, PUT, PATCH, and DELETE, and what does 'idempotent' mean in this context? Node.js › HTTP & Web Servers | Node.js | HTTP & Web Servers | Intermediate |
| 11 | How do stream wrappers and stream contexts in PHP allow file functions to work seamlessly with non local resources like remote URLs or cloud storage? PHP › File Handling & File System Functions | PHP | File Handling & File System Functions | Advanced |
| 12 | What is state management in a React app? React › State Management | React | State Management | Beginner |
| 13 | What is a common sign that an app's state management approach needs to be reconsidered? React › State Management | React | State Management | Beginner |
| 14 | How does composition help avoid the problem known as prop drilling? React › Component Composition & Children Props | React | Component Composition & Children Props | Intermediate |
| 15 | How does the react i18next library help manage translations in a React app? React › Internationalization (i18n) in React | React | Internationalization (i18n) in React | Intermediate |
| 16 | What is the difference between local state and global state in a React app? React › State Management | React | State Management | Intermediate |
| 17 | What is the compound component pattern in React, and when is it useful? React › Design Patterns in React | React | Design Patterns in React | Advanced |
| 18 | How does lifting state up work in React, and when should you use this pattern? React › Props & State | React | Props & State | Advanced |