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Desktop Support Interview Questions and Answers

Ques 21. Explain the concept of MAC address.

A MAC (Media Access Control) address is a unique identifier assigned to a network interface controller (NIC) for communication on a network.

Example:

MAC addresses are used at the data link layer to ensure data is sent to the correct device on a local network.

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Ques 22. What is the purpose of the Windows Registry?

The Windows Registry is a centralized database that stores settings and configuration information for the operating system and installed applications.

Example:

Modifying the registry should be done carefully, as incorrect changes can impact system stability.

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Ques 23. How do you check for and install Windows updates?

Go to 'Settings,' select 'Update & Security,' and click 'Check for updates.' Install available updates to ensure system security and stability.

Example:

Regularly updating Windows is essential to patch security vulnerabilities and access new features.

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Ques 24. What is the purpose of the Command Prompt in Windows?

The Command Prompt is a command-line interpreter that allows users to execute commands, scripts, and perform system tasks.

Example:

Using 'ipconfig' in the Command Prompt provides information about network settings.

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Ques 25. Explain the concept of virtualization.

Virtualization involves creating a virtual version of a resource, such as a server or operating system, to optimize resource utilization and improve scalability.

Example:

Virtualization allows multiple operating systems to run on a single physical server, reducing hardware costs.

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