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Computer Networks
Telnet
Q
Telnet protocol is used to establish a connection to __________
AA. Tcp port number 21
BB. Tcp port number 22
CC. Tcp port number 23
DD. Tcp port number 25
Correct Answer:
C. C. Tcp port number 23
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.