Which two functionalities does Cisco Expressway provide in the Cisco collaboration architecture? (Choose two.)A . Survivable Remote site Telephony functionalityB . Secure firewall and NAT traversal for mobile or remote Cisco Jabber and TelePresence video endpointsC . Customer interaction management servicesD . Secure business-to-business communicationsE . MGCP gateway registrationView AnswerAnswer:...
