CompTIA Network+ (N10-009) — Question 297

Which of the following network ports is used when a client accesses an SFTP server?

Answer options

Correct answer: A

Explanation

The correct answer is A, as SFTP (SSH File Transfer Protocol) typically operates over TCP port 22. The other ports listed are used for different protocols: port 80 is for HTTP, port 443 is for HTTPS, and port 3389 is used for RDP (Remote Desktop Protocol).