Which statement is true regarding proxy ARP?()
A、A.Proxy ARP is enabled by default on stand-alone JUNOS security devices.
B、B.Proxy ARP is enabled by default on chassis clusters.
C、C.JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.
D、D.JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP is enabled