CompTIA Network+ (N10-009) — Question 125

Which of the following protocols provides remote access utilizing port 22?

Answer options

• A. SSH
• B. Telnet
• C. TLS
• D. RDP

Correct answer: A

Explanation

SSH (Secure Shell) is the protocol that operates on port 22 and is specifically designed for secure remote access to systems. Telnet does not use port 22 and is not secure, while TLS (Transport Layer Security) is a cryptographic protocol for secure communication but doesn't provide remote access by itself. RDP (Remote Desktop Protocol) operates on a different port, typically 3389, and is used for graphical remote access.