Multiple choice

What is the primary use of TCP port 80?

  1. HTTP

  2. DNS

  3. FTP

  4. Telnet

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

TCP port 80 is the standard port assigned to HTTP (Hypertext Transfer Protocol), which is used for unencrypted web traffic. DNS uses port 53, FTP uses 20/21, and Telnet uses 23.