Server Message Block

that Microsoft created for providing shared access to files and printers across nodes on a network.

• It also provides an authenticated inter-process communication (IPC) mechanism.
• SMB relies on the TCP and IP protocols for transport

NetBIOS

acronym for Network Basic Input/Output System

provides services related to the session layer of the OSI model allowing applications on separate computers to communicate over a local area network

Simply saying, it is a protocol that allows communication of files and printers through the Session Layer of the OSI Model in a LAN.[