CompTIA A+ 220-901

Answer: B - Port 22 is the default for SSH, or Secure Shell, which allows data to be communicated between nodes on a secure channel.

Key Takeaway - Secure Shell, SSH, offers a secure alternative to Telnet and FTP, and it commonly uses Port 22. Port 25 is associated with mail protocol SMTP, Port 23 with Telnet, and Port 80 with HTTP.