An SMC video conferencing system site hopes to deploy the conference system by converging the single-selected port number of the firewall, and plans a DMZ area, in which the intranet SC is SCL and the DMZ area SC is SC2. In this case, the most suitable SCL and Which of the following is the form of SC2?

An SMC video conferencing system site hopes to deploy the conference system by converging the single-selected port number of the firewall, and plans a DMZ area, in which the intranet SC is SCL and the DMZ area SC is SC2. In this case, the most suitable SCL and Which of the following is the form of SC2?
A . SCL is the registered SC, SC2 is the registered SC
B . SCL is agent S
C . SC2 is the agent SSCL is the agent SC, SC2 is the registered S
D . SCL is the registered SC. SC2 is the agent SC.

Answer: A