A remote worker is using an Avaya SIP Client to connect to the IP Office and one-X?Portal located at their company's headquarters. What are the two advanced technologies that can be used to enable the worker to re-register locally?
A. Virtual Private Network (VPN) and Border Gateway Protocol (BGP)
B. Network Access Control (NAC) and Session Initiation Protocol (SIP)
C. Secure Real-time Transport Protocol (SRTP) and Simple Network Management Protocol (SNMP)
D. Border Gateway Protocol (BGP) and Extensible Messaging and Presence Protocol (XMPP) E. Split DNS and Port Address Translation (PAT)
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