Which of the following are correct when deploy BYOD system adopt distributed deployment? (Multiple selection)
A . In the distributed networking, the database and SM server are only installed in the corporate headquarters, SC server and AE server are installed in the corporate headquarters and branches.
B . AE server needs to provide external interfaces. Therefore, it is recommended that deploy in Untrust zone of the egress firewall.
C . The database, SM server and SC server are all installed on one server.
D . Any Office server is deployed in Trust zone.
Answer: AD