When john first installed the system, he forgot to configure DNS server security Gateway. How could john configure DNS servers now that his security gateway is in production?

A.
Login to the firewall using SSH and run cpconfig, then select Domain Name Servers.

B.
Login to the firewall using SSH and run fwm, then select System Configuration and Domain Name Servers.

C.
Login to the SmartDashboard, edit the firewall Gateway object, and select the tab Interface, than domain name servers.

D.
Login to the firewall using SSH and run aysconfig, then select Domain Name Servers.