your client has hired you to troubleshoot a network error. on inspection, it can be seen that the client has a static ip address, subnet mask, and default gateway all configured correctly. you open a browser to check the connection, and you can't get to a web page. you open a powershell window, ping the gateway, and ping 's public dns server, and everything is working. but you still can't navigate to websites. what kind of problem are you most likely to be experiencing?