In order to assist an end user, a help desk technician can use the network protocol with a default TCP/IP port number of 3389.
The TCP/IP protocol suite is an abbreviation for Transmission Control Protocol and Internet Protocol and it's a standard framework for the transmission (prepare and forward) of information on digital computers over the Internet.
In the Transmission Control Protocol and Internet Protocol (TCP/IP) suite, a help desk technician can use the network protocol with a default TCP/IP port number of 3389 to assist an end user by opening a graphical user interface to connect with the end user's Windows computer.
Read more on TCP here: brainly.com/question/17387945
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