Which Statement Is True About a ProxySG with Factory Settings

Which statement is true about a ProxySG with factory settings:

A) To get network access, initial setup is necessary - ProxySG does not have an IP address until then
B) Unconfigured ProxySG responds to some of the pre-built IP addresses, which are contained in the private IP address ranges 10.0.0.0/255.0.0.0 and 172.16.0.0/255.240.0.0 and 192.168.0.0/255.255.0.0 .
C) Unconfigured ProxySG tries to obtain IP address from a DHCP server
D) Unconfigured ProxySG sends RARP request to look up its IP address from the MAC address of its network interface card. If it cannot get a valid IP address, initial setup is required.