I call this protocol “Bucky.”

Which port number is commonly associated with the Remote Desktop protocol?

A) tcp/3889

B) tcp/389

C) tcp/3989

D) tcp/3389

E) We really should give these things names

The answer: D) tcp/3389

The well-known port of the Remote Desktop protocol is TCP over port 3389.

Want to know more? Watch “Common TCP and UDP Ports.”

TCP and UDP are the primary transport protocols used in today’s modern networks. In this videos, you’ll get an operational overview of the TCP and UDP protocols, and you’ll learn the TCP and UDP ports that will be important to know for your CompTIA A+ exam.