Which statement about FTP is correct?
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Correct answer: It uses two separate connections for control and data traffic..
Why this is the answer
FTP (File Transfer Protocol) establishes two connections between the client and server: a control connection (port 21) for commands and responses, and a data connection (port 20 for active mode, or a dynamic port for passive mode) for transferring the actual file content. This separation allows commands to be sent and received while data transfer is in progress. Block numbers are a feature of TFTP (Trivial File Transfer Protocol), not FTP, and are used for error detection and retransmission. FTP typically requires user authentication (username and password) to access files, though anonymous FTP is possible. UDP port 69 is used by TFTP, not FTP; FTP uses TCP ports 20 and 21.
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