Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?
A . The Expressway-E could be enabled for Dual-NIC capability
B . A static NAT route could be added to the firewall to bridge the two networks
C . Application layer gateway could be enabled to bridge the media traffic
D . The Expressway-E could be enabled for interworking

View Answer

Answer: A