CompTIA Security+ Question B-3

Which of the following ports should be used by a system administrator to securely manage a remote server?

A. 22
B. 69
C. 137
D. 445

Answer: A

Explanation:
Secure Shell (SSH) is a more secure replacement for Telnet, rlogon, rsh, and rcp. SSH can be called a remote access or remote terminal solution. SSH offers a means by which a command-line, text-only interface connection with a server, router, switch, or similar device can be established over any distance. SSH makes use of TCP port 22.