Desktop Support Questions et reponses d'entretien
Question 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.
Question 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.
Question 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.
Question 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.
Question 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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