The SMC video conferencing system at a certain site has an EDMZ area and the external network terminals are all SIP terminals. The internal network is SC1 and the DMZ area is SC2. Which of the following deployment forms is most suitable?

The SMC video conferencing system at a certain site has an EDMZ area and the external network terminals are all SIP terminals. The internal network is SC1 and the DMZ area is SC2. Which of the following deployment forms is most suitable?
A . SC1 is the registered SC. SC2 is the agent SC.
B . SC1 is agent SC, SC2 is agent S
C . SC1 is the agent SC, SC2 is the registered S
D . SC1 is the past SC and SC2 is the registered SC.

Answer: A