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Computer Networks
Ftp
Q
Find the FTP reply whose message is wrongly matched.
AA. 331 ? username ok, password required
BB. 425 ? can’t open data connection
CC. 452 ? error writing file
DD. 452 ? can’t open data connection
Correct Answer:
D. D. 452 ? can’t open data connection
Explanation:
The correct response code for the message “Can’t open data connection” is 425. Response code 452 is sent usually when the connection is suddenly closed.