Cisco GSS is Global Site Selector. The Cisco GSS serves as an authoritative name server for one or more domains. Which three of these must be configured on the firewall to permit communication through to it? (Choose three.)
A.
DNS queries
B.
UDP messages
C.
FTP, Telnet, SSH, SNMP
D.
KAL-AP, ICMP, HTTP, and user defined TCP Ports