Netbios

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NetBIOS (Basic Input Output System) is a software layer for applications to communicate with the network hardware.

NetBIOS name resolution identifies a NetBIOS name (16 bytes) and matches it to an IP. It can be a name or a group name. Each device in the network has a unique name.

SMB does rely on NetBIOS for communication with devices that do not support direct hosting of SMB over TCP/IP.

NetBIOS is completely independent from SMB. It is an API that SMB, and other technologies can use, so NetBIOS has no dependency to SMB.