CREST Practitioner Security Analyst (CPSA) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 485

Which protocol is associated with file sharing and operates on port 2049?

HTTP

FTP

NFS

The correct choice identifies the Network File System (NFS) protocol, which operates on port 2049 and is specifically designed for file sharing among various systems in a network. NFS allows users to access files on remote systems as if they were local, enabling seamless sharing and collaboration across different platforms or devices.

This capability is crucial for environments where resources need to be shared effectively without the overhead of duplicating data. NFS is predominantly used in Unix and Linux environments, making it an integral part of network storage solutions and remote file access.

While the other protocols listed serve different purposes—HTTP for web traffic running on port 80, FTP for file transfers operating on ports 20 and 21, and SMTP for email transmission using port 25—none of them align with the specific function of file sharing on port 2049, which is the defining characteristic of NFS.

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SMTP

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