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FTP server listens for connection on port number ____________(a) 20(b) 21(c) 22(d) 23The question was posed to me during an interview.This interesting question is from HTTP & FTP in section Application Layer of Computer Network

Answer» CORRECT answer is (b) 21

Explanation: Port 20 is USED for FTP data. Port 22 is used for SSH REMOTE login. Port 23 is used for TELNET.


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