Exam 300-300 Topic 3 Question 42 Discussion

Actual exam question for Lpi's 300-300 exam
Question #: 42
Topic #: 3
Which of the following TCP ports is used to provide the SMB protocol without NetBIOS?

Suggested Answer: E Vote an answer

The SMB protocol (Server Message Block) is used for providing shared access to files and printers.
Historically, SMB ran on top of NetBIOS over TCP/IP using port 139.
SMB can also run directly over TCP/IP without the NetBIOS layer, which uses port 445.
Therefore, TCP port 445 is used to provide the SMB protocol without NetBIOS.
Reference:
Official IANA port numbers: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml Microsoft documentation on SMB: https://docs.microsoft.com/en-us/windows/win32/fileio/microsoft-smb-protocol-and-cifs-protocol-overview

by Randolph at May 04, 2025, 05:42 AM

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