CompTIA Security+ Question I-30

Which of the following ports is used for SSH, by default?

A. 23
B. 32
C. 12
D. 22

Answer: D

Secure Shell (SSH) is a cryptographic network protocol for securing data communication. It establishes a secure channel over an insecure network in a client-server architecture, connecting an SSH client application with an SSH server. Common applications include remote command-line login, remote command execution, but any network service can be secured with SSH. SSH uses port 22.