Which of the following statements is true about configuring Global VPNs?

A.
To configure a Global VPN for gateways from different legal entities, the Security Gateway’s CMAs must configured on different MDS machines

B.
Remote-access VPNs are only available for use in Global VPN for Security Gateways with VPN-1 Pro installed

C.
For Gateways to be included in a Global VPN configuration, each must exchange the same shared-secret key to all community member gateways

D.
Site-to-Site VPNs are only available for use in Global VPN for Security Gateways with VPN-1 installed

E.
It is possible to have a single customer participate in multiple Global VPN communities