You have recently moved to a rural area and the only available internet service is through a Digital Subscriber Line $($DSL$).$ You've purchased a SOHO router to set up your home office network.

To connect your SOHO router to the DSL internet service provided by your ISP, which port on the SOHO router should you use?

RJ$-45$ WAN port

USB port

Coaxial F$-$connector port

RJ$-11$ port