Which protocol uses UDP port 69 for file transfer?

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Multiple Choice

Which protocol uses UDP port 69 for file transfer?

Explanation:
Trivial File Transfer Protocol (TFTP) is built for simple, low-overhead file transfers using UDP. It listens on UDP port 69 for the initial read or write request from a client. After that, the actual data and acknowledgments are exchanged over dynamically allocated ports, but the request starts on port 69. This lightweight, connectionless design is why TFTP is associated with UDP port 69 for initiating file transfers, unlike NTP (UDP 123), POP3 (TCP 110), or HTTP (TCP 80).

Trivial File Transfer Protocol (TFTP) is built for simple, low-overhead file transfers using UDP. It listens on UDP port 69 for the initial read or write request from a client. After that, the actual data and acknowledgments are exchanged over dynamically allocated ports, but the request starts on port 69. This lightweight, connectionless design is why TFTP is associated with UDP port 69 for initiating file transfers, unlike NTP (UDP 123), POP3 (TCP 110), or HTTP (TCP 80).

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