CompTIA Network+ (N10-009) — Question 310

Which of the following protocols is commonly associated with TCP port 443?

Answer options

• A. Telnet
• B. SMTP
• C. HTTPS
• D. SNMP

Correct answer: C

Explanation

The correct answer is HTTPS, as it is the protocol used for secure communication over a computer network and operates on TCP port 443. Telnet, SMTP, and SNMP use different ports and are not associated with secure web traffic.