IMPACT Infotech Interview Questions, Process, and Tips for Experienced

Reconciliation is the process of updating the UI to match the current state of the application.

• Reconciliation is the algorithm used by React to update the DOM efficiently.

• It compares the virtual DOM with the actual DOM and only updates the parts that have changed.

• Reconciliation is a key feature of React that helps in optimizing performance.

• Examples include adding, removing, or updating elements in a list without re-ren

useMemo is a hook used for memoization of expensive calculations, while react.memo is a higher order component used for memoizing functional components.

• useMemo is used to memoize expensive calculations and can be used inside functional components.

• react.memo is used to memoize functional components to prevent unnecessary re-renders.

• useMemo returns a memoized value, while react.memo returns a memoized component.

• Example: ...read more

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized management of network resources

• Stores information about users, computers, and other network objects

• Allows for authentication and authorization of users

• Enables administrators to assign policies, deploy software, and apply critical updates

• Supports single sign-on for users to access multiple applications with one set of

To install Windows, you need to boot from the installation media and follow the on-screen instructions.

• Insert the Windows installation media (USB or DVD) into the computer.

• Restart the computer and boot from the installation media.

• Follow the on-screen instructions to select language, time format, and keyboard layout.

• Choose 'Custom installation' to select the drive where you want to install Windows.

• Wait for the installat...read more