How to connect broadband in general university dormitory? There is also a weak question, what is the port used for?

Not ordinary, you really went to college, even if the network of that university is special, you can only accept it.

Undergraduate metropolitan schools provide broadband access, which may be through fixed IP, web login and dialing, or through special software.

If the school does not provide it, or cooperates with the operator, it may be dial-up, dedicated client, or dynamic password.

Port has two meanings. The first one refers to the holes in network devices and network cards used to connect network cables.

The second refers to the identification code assigned in the operating system, which is used to distinguish the data of different programs.