What isNetBIOS name

NetBIOS stands for Network Basic Input/Output System, which provides services related to the session layer of the OSI model. NetBIOS is an API that enables applications running on different computers to connect with one another across a local area network. While it is not a networking protocol on its own, it relies on different protocols like NBF, NBX, and NBT to function.

NetBIOS Protocols:

Older versions of operating systems used NetBIOS Frames (NBF) and NetBIOS over IPX/SPX (NBX) protocols to run NetBIOS over IEEE 802.2 and IPX/SPX, respectively. These older protocols are no longer popular because of advancements and upgrades made in the field. Modern networks typically use NetBIOS over TCP/IP (NBT) protocol to run NetBIOS over TCP/IP.


The NetBIOS name is essential in every Local Area Network (LAN) or Wide Area Network (WAN) environment that uses Microsoft Windows operating systems. Moreover, when a user views the network neighborhood in Windows, they see the NetBIOS names of other Windows systems on the network. The NetBIOS name is also used by other methods in Windows such as WINS and LMHOSTS.


What is a NetBIOS name?

A NetBIOS name is a unique identifier used to identify devices or systems connected to a Windows-based network.

Is NetBIOS still used?

While older NetBIOS protocols like NBF and NBX are outdated, the NetBIOS over TCP/IP (NBT) protocol is still in use in modern networks.

What is the difference between NetBIOS and TCP/IP?

NetBIOS provides services related to the session layer of the OSI model, while TCP/IP is a suite of communication protocols used to connect network devices. TCP/IP is used to transport data between IP addresses, while NetBIOS provides services that enable processes running on different devices to communicate across a network.


NetBIOS is an essential component of Windows-based networks, enabling devices and systems to communicate and connect with one another. While older versions of the protocol like NBF and NBX have become outdated, the modern NBT protocol is still in use in many networks. Understanding the importance and role of NetBIOS can help network administrators manage and troubleshoot networks more effectively.

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