Which port is used by Secure Shell?
a. 110
b. 161
c. 69
d. 22
e. 20, 21
d. 22
Explanation: The ports are as follows:
Transport Protocol Port Application Description
UDP 110 POP3 Post Office Protocol
UDP 161 SNMP Simple Network Management Protocol
UDP 69 TFTP Trivial File Transfer Protocol
TCP 22 SSH Secure Shell
TCP 20 (data port), 21 (command/control) FTP File Transfer Protocol
Computer Science & Information Technology
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