Which port or ports are used for the FTP data channel in passive mode? seenagape 11 years ago Which port or ports are used for the FTP data channel in passive mode? A.random TCP ports B.TCP port 21 on the server side C.TCP port 21 on the client side D.TCP port 20 on the server side E.TCP port 20 on the client side Explanation: ← Previous question Next question →