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Telnet protocol is used to establish a connection to __________(a) TCP port number 21(b) TCP port number 22(c) TCP port number 23(d) TCP port number 25I got this question in an online interview.My question is from Telnet topic in division Application Layer of Computer Network

Answer»

The correct option is (c) TCP port NUMBER 23

Best explanation: TCP port 21 is USED for FTP, TCP port 22 is used for SSH and TCP port 25 is used for SMTP. TELNET provides ACCESS to a command line interface on a remote computer using the TCP port number 23.



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