Jane, a customer, has a wired router that connects to the Internet without any issue, but does not provide any other network services. When users connect PCs to the router, they cannot access the Internet or any other network resources. Which of the following should Jane do to connect the PCs to the Internet?
A. Change the gateway address on the wired router
B. Set the DNS to an external public source on the PCs
C. Remove the PCs from the MAC filter list in the wired router
D. Change the switch port duplex setting from half to full