Intelizign Lifecycle Services Interview Questions, Process, and Tips

State is mutable data managed within a component, while props are immutable data passed from parent to child components.

• State is managed within a component and can be updated using setState() method

• Props are passed from parent to child components and cannot be changed within the child component

• State is used for managing component-specific data, while props are used for passing data between components

State is mutable data managed by a component, while props are read-only data passed from parent to child components.

• State is managed within a component and can be updated using setState() method

• Props are passed from parent to child components and cannot be modified by the child component

• State is used for managing component-specific data, while props are used for passing data between components

Life cycle methods in React.js are special methods that are automatically called at specific points in a component's life cycle.

• Life cycle methods include componentDidMount, componentDidUpdate, componentWillUnmount, etc.

• componentDidMount is called after the component has been rendered to the DOM.

• componentDidUpdate is called after the component's state or props have been updated.

• componentWillUnmount is called before the

Redux flow in ReactJS is the process of managing application state using a centralized store.

• Actions are dispatched by components to update the state

• Reducers specify how the state should change in response to actions

• The updated state is then passed down to components via props

useEffect hook in Reactjs is used to perform side effects in function components.

• Used to perform side effects in function components

• Similar to componentDidMount and componentDidUpdate in class components

• Takes a function as its first argument and an optional array of dependencies as its second argument

• Dependencies array controls when the effect is re-run

The port number used for SSH is 22.

• The default port number for SSH is 22.

• SSH (Secure Shell) is a network protocol used for secure communication between a client and a server.

• Port 22 is used for establishing secure connections over an unsecured network.

• Changing the default port number for SSH is a common security practice to prevent unauthorized access.