Which statement is true regarding proxy ARP?

Which statement is true regarding proxy ARP?

A.
Proxy ARP is enabled by default on stand-alone JUNOS security devices.

B.
Proxy ARP is enabled by default on chassis clusters.

C.
JUNOS security devices can forward ARP requests to a remote device when proxy ARP is enabled.

D.
JUNOS security devices can reply to ARP requests intended for a remote device when proxy ARP is enabled.